6PXK | pdb_00006pxk

3.65 Angstroms resolution structure of HslU with an axial-channel plug

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth H]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)
C [auth I]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)
E [auth K]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)
F [auth L]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)
G [auth A]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)
H [auth B]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)
I [auth C]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)
K [auth E]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)
L [auth F]	SCOP2B Superfamily	RecA-like P-loop NTPases	8044319	3002019	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth G]	ClpB_D2-small	e6pxkG1	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
A [auth G]	Sigma54_activat	e6pxkG2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
B [auth H]	ClpB_D2-small	e6pxkH1	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
B [auth H]	Sigma54_activat	e6pxkH2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
C [auth I]	ClpB_D2-small	e6pxkI2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
C [auth I]	Sigma54_activat	e6pxkI1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
D [auth J]	ClpB_D2-small	e6pxkJ2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
D [auth J]	Sigma54_activat	e6pxkJ1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
E [auth K]	ClpB_D2-small	e6pxkK2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
E [auth K]	Sigma54_activat	e6pxkK1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
F [auth L]	ClpB_D2-small	e6pxkL2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
F [auth L]	Sigma54_activat	e6pxkL1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
G [auth A]	ClpB_D2-small	e6pxkA2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
G [auth A]	Sigma54_activat	e6pxkA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
H [auth B]	ClpB_D2-small	e6pxkB2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
H [auth B]	Sigma54_activat	e6pxkB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
I [auth C]	ClpB_D2-small	e6pxkC2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
I [auth C]	Sigma54_activat	e6pxkC1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
J [auth D]	ClpB_D2-small	e6pxkD2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
J [auth D]	Sigma54_activat	e6pxkD1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
K [auth E]	ClpB_D2-small	e6pxkE2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
K [auth E]	Sigma54_activat	e6pxkE1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
L [auth F]	ClpB_D2-small	e6pxkF1	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: ClpB_D2-small	ECOD (1.6)
L [auth F]	Sigma54_activat	e6pxkF2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth I]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (utative)
E [auth K]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (utative)
G [auth A]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (utative)
H [auth B]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (utative)
I [auth C]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (utative)
K [auth E]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	PF00004	ATPase family associated with various cellular activities (AAA) (AAA)	ATPase family associated with various cellular activities (AAA)	AAA family proteins often perform chaperone-like functions that assist in the assembly, operation, or disassembly of protein complexes [2].	Domain
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	PF07724	AAA domain (Cdc48 subfamily) (AAA_2)	AAA domain (Cdc48 subfamily)	This Pfam entry includes some of the AAA proteins not detected by the Pfam:PF00004 model.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	ATP-dependent protease ATPase subunit HslU	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding protein binding protein domain specific binding peptidase activity catalytic activity, acting on a protein hydrolase activity catalytic activity pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity, acting on acid anhydrides ATP-dependent activity identical protein binding polypeptide conformation or assembly isomerase activity isomerase activity proteasome-activating activity macromolecular conformation isomerase activity	cellular process protein unfolding cellular response to stimulus cellular response to heat response to stimulus cellular response to stress response to stress response to heat response to abiotic stimulus response to temperature stimulus protein denaturation catabolic process metabolic process primary metabolic process cellular process protein unfolding cellular response to stimulus cellular response to heat response to stimulus cellular response to stress response to stress response to heat response to abiotic stimulus response to temperature stimulus protein denaturation catabolic process metabolic process primary metabolic process protein catabolic process protein metabolic process macromolecule metabolic process macromolecule catabolic process proteolysis involved in protein catabolic process proteolysis	cellular anatomical structure membrane protein-containing complex intracellular anatomical structure catalytic complex peptidase complex cytosolic proteasome complex HslUV protease complex proteasome complex endopeptidase complex cytoplasm cytosol intracellular protein-containing complex
M [auth X]	unidentified alpha helical sequence	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	IPR050052	ATP-dependent Clp protease ATP-binding subunit ClpX	Family
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	IPR003593	AAA+ ATPase domain	Domain
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	IPR003959	ATPase, AAA-type, core	Domain
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	IPR004491	Heat shock protein HslU	Family
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	IPR019489	Clp ATPase, C-terminal	Domain
A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], A [auth G], B [auth H], C [auth I], D [auth J], E [auth K], F [auth L], G [auth A], H [auth B], I [auth C], J [auth D], K [auth E], L [auth F]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily