9IF8 | pdb_00009if8

Cryo-EM structure of the kinetoplastid post-catalytic trans-spliceosome (P complex)

External Resource: Annotation

Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth LL]	G10 protein	-	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex
H [auth LJ]	Guanine nucleotide-binding protein subunit beta-like protein	-	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex precatalytic spliceosome catalytic step 2 spliceosome catalytic complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex precatalytic spliceosome catalytic step 2 spliceosome catalytic complex membraneless organelle intracellular membraneless organelle ribosome Prp19 complex
G [auth LH]	Splicing regulator SDE2-like protein	-	-	-
F [auth LG]	RNA-binding motif protein	-	-	-
KB [auth N6]	U6 snRNA	-	-	-
JB [auth N5]	U5 snRNA	-	-	-
IB [auth N2]	U2 snRNA	-	-	-
HB [auth LO]	SL RNA outron	-	-	-
GB [auth LE]	SL-ligated pre-mRNA	-	-	-
CB [auth 5B], OB [auth UB]	Sm protein B	ribonucleoprotein complex binding snRNP binding protein-containing complex binding binding RNA binding nucleic acid binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4 snRNP cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4 snRNP cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U2 snRNP catalytic step 2 spliceosome catalytic complex spliceosomal complex U5 snRNP cytoplasm U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U2-type spliceosomal complex prespliceosome U2-type prespliceosome U1 snRNP
E [auth LF]	Splicing factor Cactin C-terminal domain-containing protein	-	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA cis splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA cis splicing, via spliceosome mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	cellular anatomical structure intracellular anatomical structure cytoplasm membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle spliceosomal complex organelle ribonucleoprotein complex
BB [auth 53], NB [auth U3]	Small nuclear ribonucleoprotein Sm D3	RNA binding binding nucleic acid binding	ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization spliceosomal snRNP assembly primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle spliceosomal complex organelle ribonucleoprotein complex
FB [auth 5G], RB [auth UG], YA [auth 2J]	Sm protein G	RNA binding binding nucleic acid binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4 snRNP cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4 snRNP cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex P granule cytoplasmic ribonucleoprotein granule germ plasm intracellular membraneless organelle ribonucleoprotein granule membraneless organelle cytoplasm supramolecular complex spliceosomal complex precatalytic spliceosome U2 snRNP catalytic step 2 spliceosome catalytic complex U12-type spliceosomal complex U5 snRNP spliceosomal tri-snRNP complex U2-type spliceosomal complex prespliceosome U2-type prespliceosome U1 snRNP SMN-Sm protein complex
EB [auth 5F], QB [auth UF], XA [auth 2I]	Sm protein F	RNA binding binding nucleic acid binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	protein-containing complex pICln-Sm protein complex cellular anatomical structure intracellular anatomical structure Sm-like protein family complex cytoplasm membrane-bounded organelle catalytic step 2 spliceosome catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle spliceosomal complex protein-containing complex pICln-Sm protein complex cellular anatomical structure intracellular anatomical structure Sm-like protein family complex cytoplasm membrane-bounded organelle catalytic step 2 spliceosome catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle spliceosomal complex organelle ribonucleoprotein complex spliceosomal snRNP complex small nuclear ribonucleoprotein complex U1 snRNP
DB [auth 5E], PB [auth UE], WA [auth 2H]	Small nuclear ribonucleoprotein E	RNA binding binding nucleic acid binding	ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization spliceosomal snRNP assembly primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4 snRNP cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4 snRNP cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U5 snRNP U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U2 snRNP U1 snRNP spliceosomal complex
VA [auth 2D]	Small nuclear ribonucleaoprotein, putative	RNA binding binding nucleic acid binding	-	-
UA [auth 2C]	Lsm5p, putative	-	-	-
AB [auth 52], MB [auth U2], TA [auth 25]	Small nuclear ribonucleoprotein Sm D2	RNA binding binding nucleic acid binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process metabolic process cellular process RNA processing RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process metabolic process cellular process RNA processing macromolecule metabolic process mRNA processing mRNA metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle protein-containing complex nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex
LB [auth U1], SA [auth 24], ZA [auth 51]	Small nuclear ribonucleoprotein, putative	RNA binding binding nucleic acid binding	RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process metabolic process cellular process RNA processing macromolecule metabolic process	protein-containing complex ribonucleoprotein complex membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle
RA [auth RN]	Y-branched pre-mRNA	-	-	-
QA [auth A]	Sm domain-containing protein	RNA binding binding nucleic acid binding mRNA binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex precatalytic spliceosome spliceosomal snRNP complex Sm-like protein family complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex precatalytic spliceosome spliceosomal snRNP complex Sm-like protein family complex U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex small nuclear ribonucleoprotein complex U6 snRNP
D [auth LD]	PRKR-interacting protein 1	-	-	-
PA [auth 67]	Lsm7p protein, putative	RNA binding binding nucleic acid binding	-	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex U12-type spliceosomal complex spliceosomal snRNP complex Sm-like protein family complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex U12-type spliceosomal complex spliceosomal snRNP complex Sm-like protein family complex spliceosomal tri-snRNP complex small nuclear ribonucleoprotein complex Lsm1-7-Pat1 complex U6 snRNP U2-type spliceosomal complex prespliceosome U2-type prespliceosome catalytic step 2 spliceosome catalytic complex
OA [auth 66]	Sm domain-containing protein	-	-	-
NA [auth 65]	LSM domain-containing protein	-	-	-
MA [auth 64]	U6 snRNA-associated Sm-like protein LSm4	RNA binding binding nucleic acid binding	regulation of cellular process catabolic process negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process regulation of cellular process catabolic process negative regulation of biological process RNA metabolic process macromolecule catabolic process nucleobase-containing compound metabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process mRNA catabolic process nuclear-transcribed mRNA catabolic process regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process mRNA metabolic process nucleic acid metabolic process nucleobase-containing compound catabolic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process RNA splicing nucleobase-containing compound biosynthetic process mRNA processing RNA biosynthetic process nucleic acid biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile RNA processing	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex
LA [auth 63]	Sm domain-containing protein	-	-	-
KA [auth 62]	LSM domain-containing protein	-	-	-
JA [auth UX]	Unidentified protein	-	-	-
IA [auth TN]	Probable RNA helicase	-	-	-
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	Pre-mRNA-processing factor 19	aminoacyltransferase activity ubiquitin-like protein transferase activity catalytic activity, acting on a protein acyltransferase activity ubiquitin-like protein ligase activity ubiquitin protein ligase activity transferase activity catalytic activity ubiquitin-protein transferase activity	protein polyubiquitination primary metabolic process protein K63-linked ubiquitination protein ubiquitination macromolecule modification metabolic process cellular process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal cellular response to stimulus protein polyubiquitination primary metabolic process protein K63-linked ubiquitination protein ubiquitination macromolecule modification metabolic process cellular process protein metabolic process macromolecule metabolic process post-translational protein modification protein modification process protein modification by small protein conjugation protein modification by small protein conjugation or removal cellular response to stimulus response to stimulus DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular response to stress DNA damage response response to stress DNA repair RNA splicing RNA metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile RNA processing	membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex membrane-bounded organelle U2-type spliceosomal complex protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex U2-type catalytic step 1 spliceosome intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex catalytic step 1 spliceosome Prp19 complex cytoplasm membraneless organelle intracellular membraneless organelle ribosome
DA [auth SS]	Pre-mRNA-splicing factor SPF27	-	-	-
C [auth LC]	Small nuclear ribonucleoprotein component-like protein	RNA binding snRNA binding U5 snRNA binding binding nucleic acid binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding RNA binding snRNA binding U5 snRNA binding binding nucleic acid binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding pyrophosphatase activity GTPase activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle spliceosomal snRNP complex protein-containing complex nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle spliceosomal snRNP complex protein-containing complex nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U2-type spliceosomal complex catalytic step 2 spliceosome catalytic complex U2-type catalytic step 2 spliceosome spliceosomal complex
CA [auth SP]	Pre-mRNA-splicing factor ISY1 homolog	-	ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing generation of catalytic spliceosome for second transesterification step RNA splicing protein-containing complex organization spliceosomal conformational changes to generate catalytic conformation primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle
BA [auth SO]	Guanine nucleotide-binding protein subunit beta-like protein	RNA binding binding nucleic acid binding mRNA binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex membraneless organelle membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex membraneless organelle intracellular membraneless organelle ribosome
AA [auth SN]	peptidylprolyl isomerase	isomerase activity catalytic activity, acting on a protein peptidyl-prolyl cis-trans isomerase activity catalytic activity cis-trans isomerase activity	-	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex
Z [auth SL]	SNW domain-containing protein 1	-	-	-
Y [auth SK]	Unspecified product	-	-	-
X [auth SJ]	PRP19-related complex protein 3	-	-	-
W [auth SF]	Uncharacterized protein	-	-	-
V [auth SD]	Pre-mRNA-splicing factor 18	-	ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing generation of catalytic spliceosome for second transesterification step RNA splicing protein-containing complex organization spliceosomal conformational changes to generate catalytic conformation primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	U5 snRNP membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U5 snRNP membrane-bounded organelle spliceosomal snRNP complex protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex Sm-like protein family complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure small nuclear ribonucleoprotein complex organelle ribonucleoprotein complex U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex U2-type spliceosomal complex post-spliceosomal complex spliceosomal complex U2-type post-spliceosomal complex
U [auth SC]	Pre-mRNA-splicing factor SLU7	pre-mRNA binding RNA binding pre-mRNA 3'-splice site binding binding nucleic acid binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex
T [auth SA]	MI domain-containing protein	RNA binding binding nucleic acid binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex
B [auth LB]	ATP-dependent RNA helicase, putative	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on a nucleic acid helicase activity macromolecular conformation isomerase activity catalytic activity ATP-dependent activity nucleic acid binding hydrolase activity	RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process metabolic process cellular process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process metabolic process cellular process macromolecule metabolic process RNA processing	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle
S [auth LZ]	NF-kappa-B-activating protein C-terminal domain-containing protein	chromatin binding binding	regulation of biosynthetic process regulation of biological process regulation of cellular process biological regulation regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process regulation of macromolecule biosynthetic process metabolic process cellular process macromolecule metabolic process regulation of metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle
R [auth LY]	RRM domain-containing protein	RNA binding binding nucleic acid binding	-	-
Q [auth LW]	U2 small nuclear ribonucleoprotein 40K, putative	RNA binding snRNA binding binding nucleic acid binding U2 snRNA binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	protein-containing complex ribonucleoprotein complex
P [auth LV]	RNA helicase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding hydrolase activity catalytic activity nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid helicase activity RNA helicase activity ATP-dependent activity, acting on RNA macromolecular conformation isomerase activity ATP-dependent activity RNA binding nucleic acid binding	protein-containing complex disassembly RNA metabolic process mRNA processing cellular component organization nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component organization or biogenesis RNA processing cellular component disassembly RNA splicing protein-containing complex organization primary metabolic process protein-containing complex disassembly RNA metabolic process mRNA processing cellular component organization nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component organization or biogenesis RNA processing cellular component disassembly RNA splicing protein-containing complex organization primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process protein-RNA complex disassembly nucleic acid metabolic process spliceosomal complex disassembly biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex
O [auth LT]	Pre-mRNA-splicing factor SYF1	-	ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing RNA splicing generation of catalytic spliceosome for first transesterification step protein-containing complex organization spliceosomal conformational changes to generate catalytic conformation primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure post-mRNA release spliceosomal complex spliceosomal complex organelle ribonucleoprotein complex U2-type spliceosomal complex catalytic step 2 spliceosome membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure post-mRNA release spliceosomal complex spliceosomal complex organelle ribonucleoprotein complex U2-type spliceosomal complex catalytic step 2 spliceosome catalytic complex U2-type catalytic step 2 spliceosome Prp19 complex
N [auth LS]	Crooked neck-like protein 1	-	ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process spliceosomal complex assembly protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex precatalytic spliceosome post-mRNA release spliceosomal complex U2-type spliceosomal complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex precatalytic spliceosome post-mRNA release spliceosomal complex U2-type spliceosomal complex catalytic step 2 spliceosome catalytic complex U2-type catalytic step 2 spliceosome Prp19 complex
M [auth LR]	CWF21 domain-containing protein	-	-	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle
L [auth LQ]	Cell division control protein	DNA binding binding nucleic acid binding	RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA processing mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome metabolic process cellular process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process RNA processing	protein-containing complex Prp19 complex membrane-bounded organelle intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex
K [auth LP]	Spliceosome-associated CWC15-like protein	-	-	-
J [auth LN]	Guanine nucleotide-binding protein subunit beta-like protein	RNA binding binding nucleic acid binding	-	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex
A [auth LA]	Prp8 protein homologue, putative	peptidase activity catalytic activity, acting on a protein metallopeptidase activity hydrolase activity catalytic activity RNA binding snRNA binding binding nucleic acid binding U1 snRNA binding U6 snRNA binding U5 snRNA binding U2 snRNA binding pre-mRNA binding peptidase activity catalytic activity, acting on a protein metallopeptidase activity hydrolase activity catalytic activity RNA binding snRNA binding binding nucleic acid binding U1 snRNA binding U6 snRNA binding U5 snRNA binding U2 snRNA binding pre-mRNA binding pre-mRNA intronic binding	ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing spliceosomal tri-snRNP complex assembly protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis ribonucleoprotein complex biogenesis RNA metabolic process mRNA processing spliceosomal tri-snRNP complex assembly protein-RNA complex assembly cellular component organization cellular component biogenesis nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis RNA processing RNA splicing protein-containing complex organization spliceosomal snRNP assembly primary metabolic process gene expression nucleobase-containing compound biosynthetic process mRNA metabolic process macromolecule biosynthetic process nucleic acid metabolic process biosynthetic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome cellular process metabolic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile macromolecule metabolic process	membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex U5 snRNP membrane-bounded organelle catalytic step 2 spliceosome protein-containing complex intracellular anatomical structure catalytic complex nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex U5 snRNP spliceosomal snRNP complex Sm-like protein family complex small nuclear ribonucleoprotein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I [auth LL]	IPR001748	Pre-mRNA-splicing factor BUD31	Family
H [auth LJ]	IPR045241	WD repeat Prp46/PLRG1-like	Family
H [auth LJ]	IPR020472	PAC1/LIS1-like, WD-40 repeat	Repeat
H [auth LJ]	IPR001680	WD40 repeat	Repeat
H [auth LJ]	IPR019775	WD40 repeat, conserved site	Conserved Site
H [auth LJ]	IPR056551	Nucleolar protein 10-like, N-terminal domain	Domain
H [auth LJ]	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
H [auth LJ]	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
CB [auth 5B], OB [auth UB]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
CB [auth 5B], OB [auth UB]	IPR047575	Sm domain	Domain
CB [auth 5B], OB [auth UB]	IPR010920	LSM domain superfamily	Homologous Superfamily
CB [auth 5B], OB [auth UB]	IPR050914	Small nuclear ribonucleoprotein-associated SmB/NAA38-like	Family
E [auth LF]	IPR019134	Splicing factor Cactin, C-terminal	Domain
BB [auth 53], NB [auth U3]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
BB [auth 53], NB [auth U3]	IPR027141	Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3	Family
BB [auth 53], NB [auth U3]	IPR010920	LSM domain superfamily	Homologous Superfamily
BB [auth 53], NB [auth U3]	IPR047575	Sm domain	Domain
BB [auth 53], NB [auth U3]	IPR034099	Small nuclear ribonucleoprotein Sm D3	Family
FB [auth 5G], RB [auth UG], YA [auth 2J]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
FB [auth 5G], RB [auth UG], YA [auth 2J]	IPR044641	Sm-like protein Lsm7/SmG	Family
FB [auth 5G], RB [auth UG], YA [auth 2J]	IPR010920	LSM domain superfamily	Homologous Superfamily
EB [auth 5F], QB [auth UF], XA [auth 2I]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
EB [auth 5F], QB [auth UF], XA [auth 2I]	IPR016487	Sm-like protein Lsm6/SmF	Family
EB [auth 5F], QB [auth UF], XA [auth 2I]	IPR010920	LSM domain superfamily	Homologous Superfamily
EB [auth 5F], QB [auth UF], XA [auth 2I]	IPR047575	Sm domain	Domain
EB [auth 5F], QB [auth UF], XA [auth 2I]	IPR034100	Small nuclear ribonucleoprotein F	Family
DB [auth 5E], PB [auth UE], WA [auth 2H]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
DB [auth 5E], PB [auth UE], WA [auth 2H]	IPR027078	Small nuclear ribonucleoprotein E	Family
DB [auth 5E], PB [auth UE], WA [auth 2H]	IPR010920	LSM domain superfamily	Homologous Superfamily
VA [auth 2D]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
VA [auth 2D]	IPR010920	LSM domain superfamily	Homologous Superfamily
VA [auth 2D]	IPR047575	Sm domain	Domain
UA [auth 2C]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
UA [auth 2C]	IPR010920	LSM domain superfamily	Homologous Superfamily
AB [auth 52], MB [auth U2], TA [auth 25]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
AB [auth 52], MB [auth U2], TA [auth 25]	IPR010920	LSM domain superfamily	Homologous Superfamily
AB [auth 52], MB [auth U2], TA [auth 25]	IPR047575	Sm domain	Domain
AB [auth 52], MB [auth U2], TA [auth 25]	IPR027248	Small nuclear ribonucleoprotein Sm D2	Family
LB [auth U1], SA [auth 24], ZA [auth 51]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
LB [auth U1], SA [auth 24], ZA [auth 51]	IPR027141	Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3	Family
LB [auth U1], SA [auth 24], ZA [auth 51]	IPR010920	LSM domain superfamily	Homologous Superfamily
LB [auth U1], SA [auth 24], ZA [auth 51]	IPR047575	Sm domain	Domain
QA [auth A]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
QA [auth A]	IPR010920	LSM domain superfamily	Homologous Superfamily
QA [auth A]	IPR047575	Sm domain	Domain
QA [auth A]	IPR044642	U6 snRNA-associated Sm-like protein Lsm1/8	Family
PA [auth 67]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
PA [auth 67]	IPR010920	LSM domain superfamily	Homologous Superfamily
PA [auth 67]	IPR044641	Sm-like protein Lsm7/SmG	Family
OA [auth 66]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
OA [auth 66]	IPR010920	LSM domain superfamily	Homologous Superfamily
NA [auth 65]	IPR010920	LSM domain superfamily	Homologous Superfamily
MA [auth 64]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
MA [auth 64]	IPR027141	Like-Sm (LSM) domain containing protein, LSm4/SmD1/SmD3	Family
MA [auth 64]	IPR034101	Sm-like protein Lsm4	Domain
MA [auth 64]	IPR010920	LSM domain superfamily	Homologous Superfamily
MA [auth 64]	IPR047575	Sm domain	Domain
LA [auth 63]	IPR001163	Sm domain, eukaryotic/archaea-type	Domain
LA [auth 63]	IPR010920	LSM domain superfamily	Homologous Superfamily
KA [auth 62]	IPR010920	LSM domain superfamily	Homologous Superfamily
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR003613	U-box domain	Domain
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR038959	Prp19	Family
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR019775	WD40 repeat, conserved site	Conserved Site
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR013083	Zinc finger, RING/FYVE/PHD-type	Homologous Superfamily
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR001680	WD40 repeat	Repeat
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR013915	Prp19, coiled-coil region	Domain
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR056551	Nucleolar protein 10-like, N-terminal domain	Domain
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR055340	Pre-mRNA-processing factor 19, U-box domain	Domain
EA [auth ST], FA [auth SU], GA [auth SV], HA [auth SW]	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
C [auth LC]	IPR005517	Translation elongation factor EFG/EF2, domain IV	Domain
C [auth LC]	IPR000795	Translational (tr)-type GTP-binding domain	Domain
C [auth LC]	IPR000640	Elongation factor EFG, domain V-like	Domain
C [auth LC]	IPR035647	EF-G domain III/V-like	Homologous Superfamily
C [auth LC]	IPR041095	Elongation Factor G, domain II	Domain
C [auth LC]	IPR044121	Snu114, GTP-binding domain	Domain
C [auth LC]	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
C [auth LC]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
C [auth LC]	IPR014721	Small ribosomal subunit protein uS5 domain 2-type fold, subgroup	Homologous Superfamily
CA [auth SP]	IPR029012	Helix hairpin bin domain superfamily	Homologous Superfamily
CA [auth SP]	IPR009360	Pre-mRNA-splicing factor Isy1	Family
CA [auth SP]	IPR037200	Pre-mRNA-splicing factor Isy1 superfamily	Homologous Superfamily
BA [auth SO]	IPR001680	WD40 repeat	Repeat
BA [auth SO]	IPR019775	WD40 repeat, conserved site	Conserved Site
BA [auth SO]	IPR032847	Pre-mRNA-processing factor 17	Family
BA [auth SO]	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
BA [auth SO]	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
AA [auth SN]	IPR029000	Cyclophilin-like domain superfamily	Homologous Superfamily
AA [auth SN]	IPR002130	Cyclophilin-type peptidyl-prolyl cis-trans isomerase domain	Domain
AA [auth SN]	IPR044666	Cyclophilin-type peptidyl-prolyl cis-trans isomerase, cyclophilin A-like	Family
V [auth SD]	IPR039979	Pre-mRNA-splicing factor 18	Family
V [auth SD]	IPR004098	Prp18	Domain
U [auth SC]	IPR039974	Pre-mRNA-splicing factor SLU7	Family
T [auth SA]	IPR050781	Pre-mRNA-splicing factor CWC22	Family
T [auth SA]	IPR003891	Initiation factor eIF-4 gamma, MA3	Domain
T [auth SA]	IPR003890	MIF4G-like, type 3	Domain
T [auth SA]	IPR016024	Armadillo-type fold	Homologous Superfamily
B [auth LB]	IPR050474	Helicase Hel308/SKI2-like	Family
B [auth LB]	IPR001650	Helicase, C-terminal domain-like	Domain
B [auth LB]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
B [auth LB]	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
B [auth LB]	IPR041094	Brr2, N-terminal helicase PWI domain	Domain
B [auth LB]	IPR004179	Sec63 domain	Domain
B [auth LB]	IPR035892	C2 domain superfamily	Homologous Superfamily
B [auth LB]	IPR011545	DEAD/DEAH-box helicase domain	Domain
B [auth LB]	IPR057842	MER3 helicase-like, winged helix domain	Domain
B [auth LB]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
S [auth LZ]	IPR009269	NF-kappa-B-activating protein, C-terminal	Domain
S [auth LZ]	IPR040466	NF-kappa-B-activating protein	Family
R [auth LY]	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
R [auth LY]	IPR000504	RNA recognition motif domain	Domain
R [auth LY]	IPR035979	RNA-binding domain superfamily	Homologous Superfamily
Q [auth LW]	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
Q [auth LW]	IPR044640	U2 small nuclear ribonucleoprotein A'	Family
P [auth LV]	IPR011709	DEAD-box helicase, OB fold	Domain
P [auth LV]	IPR001650	Helicase, C-terminal domain-like	Domain
P [auth LV]	IPR014001	Helicase superfamily 1/2, ATP-binding domain	Domain
P [auth LV]	IPR048333	Helicase associated domain (HA2), winged-helix domain	Domain
P [auth LV]	IPR002464	DNA/RNA helicase, ATP-dependent, DEAH-box type, conserved site	Conserved Site
P [auth LV]	IPR007502	Helicase-associated domain	Domain
P [auth LV]	IPR011545	DEAD/DEAH-box helicase domain	Domain
P [auth LV]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
O [auth LT]	IPR003107	HAT (Half-A-TPR) repeat	Repeat
O [auth LT]	IPR045075	Pre-mRNA-splicing factor Syf1-like	Family
O [auth LT]	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
O [auth LT]	IPR055433	Pre-mRNA-splicing factor Syf1-like, N-terminal HAT-repeats domain	Domain
N [auth LS]	IPR003107	HAT (Half-A-TPR) repeat	Repeat
N [auth LS]	IPR045075	Pre-mRNA-splicing factor Syf1-like	Family
N [auth LS]	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
N [auth LS]	IPR055430	Pre-mRNA-splicing factor Syf1/CRNKL1-like, C-terminal HAT-repeats domain	Domain
M [auth LR]	IPR013170	mRNA splicing factor Cwf21 domain	Domain
L [auth LQ]	IPR047242	Pre-mRNA splicing factor component CDC5L/Cef1	Family
L [auth LQ]	IPR009057	Homeodomain-like superfamily	Homologous Superfamily
L [auth LQ]	IPR001005	SANT/Myb domain	Domain
L [auth LQ]	IPR017930	Myb domain	Domain
J [auth LN]	IPR001680	WD40 repeat	Repeat
J [auth LN]	IPR052234	U5 snRNP Complex Component	Family
J [auth LN]	IPR036322	WD40-repeat-containing domain superfamily	Homologous Superfamily
J [auth LN]	IPR015943	WD40/YVTN repeat-like-containing domain superfamily	Homologous Superfamily
A [auth LA]	IPR043173	Prp8 RNase domain IV, fingers region	Homologous Superfamily
A [auth LA]	IPR012984	PROCT domain	Domain
A [auth LA]	IPR012591	PRO8NT domain	Domain
A [auth LA]	IPR021983	PRP8 domain IV core	Domain
A [auth LA]	IPR019580	Pre-mRNA-processing-splicing factor 8, U6-snRNA-binding	Domain
A [auth LA]	IPR019581	Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding	Domain
A [auth LA]	IPR027652	Pre-mRNA-processing-splicing factor 8	Family
A [auth LA]	IPR019582	RNA recognition motif, spliceosomal PrP8	Domain
A [auth LA]	IPR043172	Prp8 RNase domain IV, palm region	Homologous Superfamily
A [auth LA]	IPR012592	PROCN domain	Domain
A [auth LA]	IPR042516	Pre-mRNA-processing-splicing factor 8, U5-snRNA-binding domain superfamily	Homologous Superfamily
A [auth LA]	IPR012337	Ribonuclease H-like superfamily	Homologous Superfamily
A [auth LA]	IPR000555	JAB1/MPN/MOV34 metalloenzyme domain	Domain

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
GB [auth LE]	PSU	Parent Component: U
QA [auth A]	ACE	: AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 : N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359
JA [auth UX]	UNK	: AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354
Z [auth SL]	SEP	Parent Component: SER : AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 , AA0037 : N-acetyl-L-alanine MOD:00050 , N-acetyl-L-aspartic acid MOD:00051 , N-acetyl-L-cysteine MOD:00052 , N-acetyl-S-archeol-cysteine MOD:00897 , N-acetyl-L-glutamic acid MOD:00053 , N-acetyl-L-glutamine MOD:00054 , N-acetylglycine MOD:00055 , N-acetyl-L-methionine MOD:00058 , N-acetyl-L-proline MOD:00059 , N-acetyl-L-serine MOD:00060 , N,O-diacetylated L-serine MOD:00648 , N-acetyl-L-threonine MOD:00061 , N-acetyl-L-tyrosine MOD:00062 , N-acetyl-L-valine MOD:00063 , N2-acetyl-L-arginine MOD:00359 , O-phospho-L-serine MOD:00046

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.