7ZQD

Dimeric PSI of Chlamydomonas reinhardtii at 2.97 A resolution

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
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)
A	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094461	3000850	SCOP2B (2022-06-29)
U [auth A2]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094461	3000850	SCOP2B (2022-06-29)
DA [auth L2]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8097190	3000870	SCOP2B (2022-06-29)
J [auth L]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8097190	3000870	SCOP2B (2022-06-29)
FA [auth 12]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099102	3000343	SCOP2B (2022-06-29)
JA [auth Z2]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099102	3000343	SCOP2B (2022-06-29)
L [auth 1]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099102	3000343	SCOP2B (2022-06-29)
P [auth Z]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099102	3000343	SCOP2B (2022-06-29)
HA [auth 72]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8100068	3000343	SCOP2B (2022-06-29)
N [auth 7]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8100068	3000343	SCOP2B (2022-06-29)
IA [auth 82]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099930	3000343	SCOP2B (2022-06-29)
O [auth 8]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099930	3000343	SCOP2B (2022-06-29)
KA [auth 42]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099934	3000343	SCOP2B (2022-06-29)
Q [auth 4]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099934	3000343	SCOP2B (2022-06-29)
LA [auth 52]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099932	3000343	SCOP2B (2022-06-29)
R [auth 5]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099932	3000343	SCOP2B (2022-06-29)
MA [auth 62]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099928	3000343	SCOP2B (2022-06-29)
S [auth 6]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8099928	3000343	SCOP2B (2022-06-29)
NA [auth 92]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8097194	3000343	SCOP2B (2022-06-29)
T [auth 9]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8097194	3000343	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094499	3000850	SCOP2B (2022-06-29)
V [auth B2]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094499	3000850	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	4Fe-4S ferredoxins	8093860	3000020	SCOP2B (2022-06-29)
W [auth C2]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093860	3000020	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Photosystem I subunit PsaD	8095071	3000951	SCOP2B (2022-06-29)
X [auth D2]	SCOP2B Superfamily	Photosystem I subunit PsaD	8095071	3000951	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Electron transport accessory proteins	8094773	3000325	SCOP2B (2022-06-29)
Y [auth E2]	SCOP2B Superfamily	Electron transport accessory proteins	8094773	3000325	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8094180	3000813	SCOP2B (2022-06-29)
Z [auth F2]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8094180	3000813	SCOP2B (2022-06-29)
CA [auth J2]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8094723	3000824	SCOP2B (2022-06-29)
I [auth J]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8094723	3000824	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	PsaA_PsaB_C	e7zqdA1	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: PsaA_PsaB_C	ECOD (1.6)
A	PsaA_PsaB_N	e7zqdA2	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: PsaA_PsaB_N	ECOD (1.6)
U [auth A2]	PsaA_PsaB_C	e7zqdA22	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: PsaA_PsaB_C	ECOD (1.6)
U [auth A2]	PsaA_PsaB_N	e7zqdA21	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: PsaA_PsaB_N	ECOD (1.6)
DA [auth L2]	PsaL	e7zqdL21	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: PsaL	ECOD (1.6)
J [auth L]	PsaL	e7zqdL1	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: PsaL	ECOD (1.6)
EA [auth K2]	PSI_PSAK	e7zqdK21	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: PSI_PSAK	ECOD (1.6)
K	PSI_PSAK	e7zqdK1	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: PSI_PSAK	ECOD (1.6)
FA [auth 12]	Chloroa_b-bind	e7zqd121	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: Chloroa_b-bind	ECOD (1.6)
JA [auth Z2]	Chloroa_b-bind	e7zqdZ21	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: Chloroa_b-bind	ECOD (1.6)
L [auth 1]	Chloroa_b-bind	e7zqd11	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: Chloroa_b-bind	ECOD (1.6)
P [auth Z]	Chloroa_b-bind	e7zqdZ1	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: Chloroa_b-bind	ECOD (1.6)
GA [auth 32]	Chloroa_b-bind	e7zqd321	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: Chloroa_b-bind	ECOD (1.6)
M [auth 3]	Chloroa_b-bind	e7zqd31	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: Chloroa_b-bind	ECOD (1.6)
HA [auth 72]	Chloroa_b-bind	e7zqd721	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: Chloroa_b-bind	ECOD (1.6)
N [auth 7]	Chloroa_b-bind	e7zqd71	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: Chloroa_b-bind	ECOD (1.6)
IA [auth 82]	Chloroa_b-bind	e7zqd821	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: Chloroa_b-bind	ECOD (1.6)
O [auth 8]	Chloroa_b-bind	e7zqd81	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: Chloroa_b-bind	ECOD (1.6)
KA [auth 42]	Chloroa_b-bind	e7zqd421	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: Chloroa_b-bind	ECOD (1.6)
Q [auth 4]	Chloroa_b-bind	e7zqd41	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: Chloroa_b-bind	ECOD (1.6)
LA [auth 52]	Chloroa_b-bind	e7zqd521	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: Chloroa_b-bind	ECOD (1.6)
R [auth 5]	Chloroa_b-bind	e7zqd51	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: Chloroa_b-bind	ECOD (1.6)
MA [auth 62]	Chloroa_b-bind	e7zqd621	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: Chloroa_b-bind	ECOD (1.6)
S [auth 6]	Chloroa_b-bind	e7zqd61	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: Chloroa_b-bind	ECOD (1.6)
NA [auth 92]	Chloroa_b-bind	e7zqd921	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: Chloroa_b-bind	ECOD (1.6)
T [auth 9]	Chloroa_b-bind	e7zqd91	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: Chloroa_b-bind	ECOD (1.6)
B	PsaA_PsaB_C	e7zqdB1	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: PsaA_PsaB_C	ECOD (1.6)
B	PsaA_PsaB_N	e7zqdB2	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: PsaA_PsaB_N	ECOD (1.6)
V [auth B2]	PsaA_PsaB_C	e7zqdB21	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: PsaA_PsaB_C	ECOD (1.6)
V [auth B2]	PsaA_PsaB_N	e7zqdB22	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: PsaA_PsaB_N	ECOD (1.6)
C	Fer4_21_1	e7zqdC1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: Fer4_21_1	ECOD (1.6)
W [auth C2]	Fer4_21_1	e7zqdC21	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: Fer4_21_1	ECOD (1.6)
D	PsaD	e7zqdD1	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: PsaD	ECOD (1.6)
X [auth D2]	PsaD	e7zqdD21	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: PsaD	ECOD (1.6)
E	PSI_PsaE	e7zqdE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
Y [auth E2]	PSI_PsaE	e7zqdE21	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
F	PSI_PsaF	e7zqdF1	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: PSI_PsaF	ECOD (1.6)
Z [auth F2]	PSI_PsaF	e7zqdF21	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: PSI_PsaF	ECOD (1.6)
AA [auth G2]	PSI_PSAK	e7zqdG21	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: PSI_PSAK	ECOD (1.6)
G	PSI_PSAK	e7zqdG1	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: PSI_PSAK	ECOD (1.6)
BA [auth I2]	PSI_8	e7zqdI21	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: PSI_8	ECOD (1.6)
H [auth I]	PSI_8	e7zqdI1	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: PSI_8	ECOD (1.6)
CA [auth J2]	PSI_PsaJ	e7zqdJ21	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: PSI_PsaJ	ECOD (1.6)
I [auth J]	PSI_PsaJ	e7zqdJ1	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: PSI_PsaJ	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, U [auth A2]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
EA [auth K2], K	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
FA [auth 12], JA [auth Z2], L [auth 1], P [auth Z]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
HA [auth 72], N [auth 7]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
IA [auth 82], O [auth 8]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
KA [auth 42], Q [auth 4]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
LA [auth 52], R [auth 5]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
MA [auth 62], S [auth 6]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
NA [auth 92], T [auth 9]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
B, V [auth B2]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
C, W [auth C2]	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
D, X [auth D2]	PF02531	PsaD (PsaD)	PsaD	-	Family
E, Y [auth E2]	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
AA [auth G2], G	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
BA [auth I2], H [auth I]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
CA [auth J2], I [auth J]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, U [auth A2]	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 organic cyclic compound binding tetrapyrrole binding 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 organic cyclic compound binding tetrapyrrole binding electron transfer activity	photosynthesis cellular metabolic process 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
DA [auth L2], J [auth L]	PSI subunit V	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane photosystem I reaction center thylakoid non-membrane-bounded organelle
EA [auth K2], K	Photosystem I reaction center subunit psaK, chloroplastic	-	photosynthesis cellular metabolic process 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
FA [auth 12], JA [auth Z2], L [auth 1], P [auth Z]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process 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 cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle 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
GA [auth 32], M [auth 3]	Chlorophyll a-b binding protein, chloroplastic	-	-	-
HA [auth 72], N [auth 7]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process 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 cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle 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
IA [auth 82], O [auth 8]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process 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 cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle 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
KA [auth 42], Q [auth 4]	Chlorophyll a-b binding protein, chloroplastic (Lhca4)	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process 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 cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle 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
LA [auth 52], R [auth 5]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process 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 cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle 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
MA [auth 62], S [auth 6]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process 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 cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle 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
NA [auth 92], T [auth 9]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process 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 cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle 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
B, V [auth B2]	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 organic cyclic compound binding tetrapyrrole binding 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 organic cyclic compound binding tetrapyrrole binding electron transfer activity	photosynthesis cellular metabolic process 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
C, W [auth C2]	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 cellular metabolic process metabolic process cellular process photosynthesis, light reaction photosynthetic electron transport chain electron transport chain 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
D, X [auth D2]	Photosystem I reaction center subunit II, chloroplastic	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane photosystem I reaction center thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane photosystem I reaction center thylakoid non-membrane-bounded organelle 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
E, Y [auth E2]	Photosystem I reaction center subunit IV, chloroplastic	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane photosystem I reaction center thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane photosystem I reaction center thylakoid non-membrane-bounded organelle 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
F, Z [auth F2]	Photosystem I reaction center subunit III, chloroplastic	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane photosystem I reaction center thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane photosystem I reaction center thylakoid non-membrane-bounded organelle membrane-bounded organelle plastid intracellular membrane-bounded organelle plastid thylakoid plastid thylakoid lumen chloroplast thylakoid lumen chloroplast thylakoid cytoplasm thylakoid lumen chloroplast
AA [auth G2], G	Photosystem I reaction center subunit V, chloroplastic	-	photosynthesis cellular metabolic process 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
BA [auth I2], H [auth I]	Photosystem I reaction center subunit VIII	-	photosynthesis cellular metabolic process 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
CA [auth J2], I [auth J]	Photosystem I reaction center subunit IX	-	photosynthesis cellular metabolic process 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 bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, U [auth A2]	IPR006243	Photosystem I PsaA	Family
A, U [auth A2]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A, U [auth A2]	IPR001280	Photosystem I PsaA/PsaB	Family
A, U [auth A2]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
DA [auth L2], J [auth L]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
DA [auth L2], J [auth L]	IPR022980	Photosystem I, reaction centre subunit XI	Family
DA [auth L2], J [auth L]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
EA [auth K2], K	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
EA [auth K2], K	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
EA [auth K2], K	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
EA [auth K2], K	IPR017493	Photosystem I reaction center subunit psaK, plant	Family
FA [auth 12], JA [auth Z2], L [auth 1], P [auth Z]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
FA [auth 12], JA [auth Z2], L [auth 1], P [auth Z]	IPR022796	Chlorophyll A-B binding protein	Family
HA [auth 72], N [auth 7]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
HA [auth 72], N [auth 7]	IPR022796	Chlorophyll A-B binding protein	Family
IA [auth 82], O [auth 8]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
IA [auth 82], O [auth 8]	IPR022796	Chlorophyll A-B binding protein	Family
KA [auth 42], Q [auth 4]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
KA [auth 42], Q [auth 4]	IPR022796	Chlorophyll A-B binding protein	Family
LA [auth 52], R [auth 5]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
LA [auth 52], R [auth 5]	IPR022796	Chlorophyll A-B binding protein	Family
MA [auth 62], S [auth 6]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
MA [auth 62], S [auth 6]	IPR022796	Chlorophyll A-B binding protein	Family
NA [auth 92], T [auth 9]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
NA [auth 92], T [auth 9]	IPR022796	Chlorophyll A-B binding protein	Family
B, V [auth B2]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B, V [auth B2]	IPR001280	Photosystem I PsaA/PsaB	Family
B, V [auth B2]	IPR006244	Photosystem I PsaB	Family
B, V [auth B2]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
C, W [auth C2]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C, W [auth C2]	IPR050157	Photosystem I iron-sulfur center	Family
C, W [auth C2]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C, W [auth C2]	IPR017491	Photosystem I protein PsaC	Family
D, X [auth D2]	IPR003685	Photosystem I PsaD	Family
D, X [auth D2]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
E, Y [auth E2]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
E, Y [auth E2]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
F, Z [auth F2]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
F, Z [auth F2]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
AA [auth G2], G	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
AA [auth G2], G	IPR017494	Photosystem I reaction center subunit V	Family
AA [auth G2], G	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
AA [auth G2], G	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
BA [auth I2], H [auth I]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
BA [auth I2], H [auth I]	IPR001302	Photosystem I reaction centre subunit VIII	Family
CA [auth J2], I [auth J]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
CA [auth J2], I [auth J]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily