Annotations: 7YCA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
I [auth C]	F_UNCLASSIFIED	e7ycaC1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: F_UNCLASSIFIED	ECOD (1.6)
H [auth B]	F_UNCLASSIFIED	e7ycaB2	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: F_UNCLASSIFIED	ECOD (1.6)
H [auth B]	F_UNCLASSIFIED	e7ycaB1	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: F_UNCLASSIFIED	ECOD (1.6)
G [auth A]	F_UNCLASSIFIED	e7ycaA2	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: F_UNCLASSIFIED	ECOD (1.6)
G [auth A]	F_UNCLASSIFIED	e7ycaA1	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: F_UNCLASSIFIED	ECOD (1.6)
E [auth 5]	F_UNCLASSIFIED	e7yca51	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
D [auth 4]	F_UNCLASSIFIED	e7yca41	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
C [auth 3]	F_UNCLASSIFIED	e7yca31	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
W [auth Q]	F_UNCLASSIFIED	e7ycaQ1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
Z [auth T]	F_UNCLASSIFIED	e7ycaT1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
Y [auth S]	F_UNCLASSIFIED	e7ycaS1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
X [auth R]	F_UNCLASSIFIED	e7ycaR1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
V [auth P]	F_UNCLASSIFIED	e7ycaP1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
DA [auth X]	F_UNCLASSIFIED	e7ycaX1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
CA [auth W]	F_UNCLASSIFIED	e7ycaW1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
BA [auth V]	F_UNCLASSIFIED	e7ycaV1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
AA [auth U]	F_UNCLASSIFIED	e7ycaU1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
T [auth N]	F_UNCLASSIFIED	e7ycaN1	A: extended segments	X: Subunit N of Photosystem I reaction centre (From Topology)	H: Subunit N of Photosystem I reaction centre (From Topology)	T: Subunit N of Photosystem I reaction centre	F: F_UNCLASSIFIED	ECOD (1.6)
B [auth 2]	F_UNCLASSIFIED	e7yca21	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)
S [auth M]	F_UNCLASSIFIED	e7ycaM1	A: extended segments	X: Subunit XII of photosystem I reaction centre, PsaM (From Topology)	H: Subunit XII of photosystem I reaction centre, PsaM (From Topology)	T: Subunit XII of photosystem I reaction centre, PsaM	F: F_UNCLASSIFIED	ECOD (1.6)
R [auth L]	F_UNCLASSIFIED	e7ycaL1	A: alpha bundles	X: Photosystem I reaction center subunit XI, PsaL (From Topology)	H: Photosystem I reaction center subunit XI, PsaL (From Topology)	T: Photosystem I reaction center subunit XI, PsaL	F: F_UNCLASSIFIED	ECOD (1.6)
Q [auth K]	F_UNCLASSIFIED	e7ycaK1	A: alpha bundles	X: Photosystem I reaction center subunit X, PsaK (From Topology)	H: Photosystem I reaction center subunit X, PsaK (From Topology)	T: Photosystem I reaction center subunit X, PsaK	F: F_UNCLASSIFIED	ECOD (1.6)
P [auth J]	F_UNCLASSIFIED	e7ycaJ1	A: extended segments	X: Subunit IX of photosystem I reaction centre, PsaJ (From Topology)	H: Subunit IX of photosystem I reaction centre, PsaJ (From Topology)	T: Subunit IX of photosystem I reaction centre, PsaJ	F: F_UNCLASSIFIED	ECOD (1.6)
O [auth I]	F_UNCLASSIFIED	e7ycaI1	A: extended segments	X: Subunit VIII of photosystem I reaction centre, PsaI (From Topology)	H: Subunit VIII of photosystem I reaction centre, PsaI (From Topology)	T: Subunit VIII of photosystem I reaction centre, PsaI	F: F_UNCLASSIFIED	ECOD (1.6)
N [auth H]	F_UNCLASSIFIED	e7ycaH1	A: extended segments	X: Subunit VI of Photosystem I reaction centre (From Topology)	H: Subunit VI of Photosystem I reaction centre (From Topology)	T: Subunit VI of Photosystem I reaction centre	F: F_UNCLASSIFIED	ECOD (1.6)
M [auth G]	F_UNCLASSIFIED	e7ycaG1	A: alpha bundles	X: Photosystem I reaction center subunit X, PsaK (From Topology)	H: Photosystem I reaction center subunit X, PsaK (From Topology)	T: Photosystem I reaction center subunit X, PsaK	F: F_UNCLASSIFIED	ECOD (1.6)
L [auth F]	F_UNCLASSIFIED	e7ycaF1	A: extended segments	X: Subunit III of photosystem I reaction centre, PsaF (From Topology)	H: Subunit III of photosystem I reaction centre, PsaF (From Topology)	T: Subunit III of photosystem I reaction centre, PsaF	F: F_UNCLASSIFIED	ECOD (1.6)
K [auth E]	F_UNCLASSIFIED	e7ycaE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: F_UNCLASSIFIED	ECOD (1.6)
J [auth D]	F_UNCLASSIFIED	e7ycaD1	A: a+b two layers	X: Photosystem I subunit PsaD (From Topology)	H: Photosystem I subunit PsaD (From Topology)	T: Photosystem I subunit PsaD	F: F_UNCLASSIFIED	ECOD (1.6)
A [auth 1]	F_UNCLASSIFIED	e7yca11	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
W [auth Q]	1.10.3460.10	Mainly Alpha	Orthogonal Bundle	Chlorophyll a-b binding protein	Chlorophyll a/b binding protein domain	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
I [auth C]	PF12838	4Fe-4S dicluster domain (Fer4_7)	4Fe-4S dicluster domain	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contai ...	Superfamily includes proteins containing domains which bind to iron-sulfur clusters. Members include bacterial ferredoxins, various dehydrogenases, and various reductases. Structure of the domain is an alpha-antiparallel beta sandwich. Domain contains two 4Fe4S clusters.	Domain
H [auth B]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
G [auth A]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
F [auth 6]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
E [auth 5]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
C [auth 3]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
W [auth Q]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
U [auth O]	PF22832	PsaO transmembrane domain (PsaO_TMD)	PsaO transmembrane domain	PsaO is one of the nine membrane-embedded subunits of photosystem I. This entry represents the transmembrane domain that was shown to consists of three transmembrane helices arranged in an L-shape [1].	Domain
B [auth 2]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
S [auth M]	PF07465	Photosystem I protein M (PsaM) (PsaM)	Photosystem I protein M (PsaM)	-	Family
R [auth L]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
Q [auth K]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
P [auth J]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family
O [auth I]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
M [auth G]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
K [auth E]	PF02427	Photosystem I reaction centre subunit IV / PsaE (PSI_PsaE)	Photosystem I reaction centre subunit IV / PsaE	PsaE is a 69 amino acid polypeptide from photosystem I present on the stromal side of the thylakoid membrane [1]. The structure is comprised of a well-defined five-stranded beta-sheet similar to SH3 domains [1].	Domain
J [auth D]	PF02531	PsaD (PsaD)	PsaD	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth C]	Photosystem I iron-sulfur center	oxidoreductase activity catalytic activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding metal ion binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy photosynthetic electron transport in photosystem I	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
H [auth B]	Photosystem I P700 chlorophyll a apoprotein A2	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding tetrapyrrole binding electron transfer activity	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
G [auth A]	Photosystem I P700 chlorophyll a apoprotein A1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding tetrapyrrole binding electron transfer activity	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
F [auth 6]	Lhca6	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
E [auth 5]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
D [auth 4]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
C [auth 3]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
W [auth Q]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
AA [auth U], BA [auth V], CA [auth W], DA [auth X], V [auth P], AA [auth U], BA [auth V], CA [auth W], DA [auth X], V [auth P], X [auth R], Y [auth S], Z [auth T]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
U [auth O]	PsaO	-	-	cellular anatomical structure membrane
T [auth N]	Photosystem I PsaN, reaction centre subunit N	-	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane protein-containing complex photosystem intracellular anatomical structure plastid photosystem I membrane protein complex organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane protein-containing complex photosystem intracellular anatomical structure plastid photosystem I membrane protein complex organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle thylakoid plastid envelope chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid membrane protein complex chloroplast photosystem I organelle chloroplast thylakoid outer membrane photosynthetic membrane cytoplasm organelle membrane
B [auth 2]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
S [auth M]	Photosystem I reaction center subunit XII	-	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
R [auth L]	PSI subunit V	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
Q [auth K]	Photosystem I PsaG/PsaK protein	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid membrane-bounded organelle plastid cytoplasm intracellular membrane-bounded organelle chloroplast
P [auth J]	Photosystem I reaction center subunit IX	-	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
O [auth I]	Photosystem I reaction center subunit VIII	-	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
N [auth H]	Photosystem I PsaH, reaction centre subunit VI	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
M [auth G]	PsaG	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid membrane-bounded organelle plastid cytoplasm intracellular membrane-bounded organelle chloroplast
L [auth F]	Photosystem I reaction center subunit III	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane plastid thylakoid lumen chloroplast thylakoid lumen thylakoid lumen
K [auth E]	Photosystem I reaction centre subunit IV	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid
J [auth D]	Photosystem I reaction center subunit II, chloroplastic	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
A [auth 1]	Lhca1	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I [auth C]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
I [auth C]	IPR050157	Photosystem I iron-sulfur center	Family
I [auth C]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
I [auth C]	IPR017491	Photosystem I protein PsaC	Family
H [auth B]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
H [auth B]	IPR001280	Photosystem I PsaA/PsaB	Family
H [auth B]	IPR006244	Photosystem I PsaB	Family
H [auth B]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
G [auth A]	IPR006243	Photosystem I PsaA	Family
G [auth A]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
G [auth A]	IPR001280	Photosystem I PsaA/PsaB	Family
G [auth A]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
F [auth 6]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
F [auth 6]	IPR022796	Chlorophyll A-B binding protein	Family
E [auth 5]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
E [auth 5]	IPR022796	Chlorophyll A-B binding protein	Family
D [auth 4]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
D [auth 4]	IPR022796	Chlorophyll A-B binding protein	Family
C [auth 3]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
C [auth 3]	IPR022796	Chlorophyll A-B binding protein	Family
W [auth Q]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
W [auth Q]	IPR022796	Chlorophyll A-B binding protein	Family
AA [auth U], BA [auth V], CA [auth W], DA [auth X], V [auth P], AA [auth U], BA [auth V], CA [auth W], DA [auth X], V [auth P], X [auth R], Y [auth S], Z [auth T]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
AA [auth U], BA [auth V], CA [auth W], DA [auth X], V [auth P], AA [auth U], BA [auth V], CA [auth W], DA [auth X], V [auth P], X [auth R], Y [auth S], Z [auth T]	IPR022796	Chlorophyll A-B binding protein	Family
U [auth O]	IPR017498	Photosystem I PsaO	Family
T [auth N]	IPR008796	Photosystem I reaction centre subunit N, chloroplastic	Family
T [auth N]	IPR044907	Photosystem I reaction centre subunit N superfamily	Homologous Superfamily
B [auth 2]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
B [auth 2]	IPR022796	Chlorophyll A-B binding protein	Family
S [auth M]	IPR010010	Photosystem I PsaM, reaction centre	Family
S [auth M]	IPR037279	Photosystem I PsaM, reaction centre superfamily	Homologous Superfamily
R [auth L]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
R [auth L]	IPR022980	Photosystem I, reaction centre subunit XI	Family
R [auth L]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
Q [auth K]	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
Q [auth K]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
P [auth J]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
P [auth J]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
O [auth I]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
O [auth I]	IPR001302	Photosystem I reaction centre subunit VIII	Family
N [auth H]	IPR004928	Photosystem I PsaH, reaction centre subunit VI	Family
M [auth G]	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
M [auth G]	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
M [auth G]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
L [auth F]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
L [auth F]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
K [auth E]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
K [auth E]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
J [auth D]	IPR003685	Photosystem I PsaD	Family
J [auth D]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
A [auth 1]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
A [auth 1]	IPR022796	Chlorophyll A-B binding protein	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
F [auth 6], G [auth A], H [auth B], I [auth C], K [auth E] F [auth 6], G [auth A], H [auth B], I [auth C], K [auth E], M [auth G], N [auth H], O [auth I], P [auth J], Q [auth K], R [auth L], S [auth M], T [auth N], U [auth O]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
F [auth 6], G [auth A], H [auth B], I [auth C], K [auth E] F [auth 6], G [auth A], H [auth B], I [auth C], K [auth E], M [auth G], N [auth H], O [auth I], P [auth J], Q [auth K], R [auth L], S [auth M], T [auth N], U [auth O]	PDBTM	Annotated as membrane protein by PDBTM

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
W [auth Q]	ACE	RESID: AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 PSI-MOD : 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
W [auth Q]	TPO	Parent Component: THR RESID: AA0041 , AA0042 , AA0043 , AA0044 , AA0045 , AA0046 , AA0049 , AA0050 , AA0051 , AA0052 , AA0053 , AA0054 , AA0354 , AA0038 PSI-MOD : 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-threonine MOD:00047