7COY

Structure of the far-red light utilizing photosystem I of Acaryochloris marina

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth aA]	SCOP2 Family	Photosystem I subunits PsaA/PsaB	8102812	4002118	SCOP2 (2022-06-29)
A [auth aA]	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8102813	3000850	SCOP2 (2022-06-29)
L [auth bA]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8102813	3000850	SCOP2B (2022-06-29)
W [auth cA]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8102813	3000850	SCOP2B (2022-06-29)
FA [auth cL]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8102819	3000870	SCOP2B (2022-06-29)
J [auth aL]	SCOP2 Family	Photosystem I reaction center subunit XI PsaL	8102818	4002135	SCOP2 (2022-06-29)
J [auth aL]	SCOP2 Superfamily	Photosystem I reaction center subunit XI PsaL	8102819	3000870	SCOP2 (2022-06-29)
U [auth bL]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8102819	3000870	SCOP2B (2022-06-29)
B [auth aB]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8102815	3000850	SCOP2B (2022-06-29)
M [auth bB]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8102815	3000850	SCOP2B (2022-06-29)
X [auth cB]	SCOP2 Family	Photosystem I subunits PsaA/PsaB	8102814	4002118	SCOP2 (2022-06-29)
X [auth cB]	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8102815	3000850	SCOP2 (2022-06-29)
C [auth aC]	SCOP2B Superfamily	4Fe-4S ferredoxins	8102829	3000020	SCOP2B (2022-06-29)
N [auth bC]	SCOP2 Family	7-Fe ferredoxin	8102828	4001227	SCOP2 (2022-06-29)
N [auth bC]	SCOP2 Superfamily	4Fe-4S ferredoxins	8102829	3000020	SCOP2 (2022-06-29)
Y [auth cC]	SCOP2B Superfamily	4Fe-4S ferredoxins	8102829	3000020	SCOP2B (2022-06-29)
D [auth aD]	SCOP2 Family	Photosystem I subunit PsaD	8102824	4003498	SCOP2 (2022-06-29)
D [auth aD]	SCOP2 Superfamily	Photosystem I subunit PsaD	8102825	3000951	SCOP2 (2022-06-29)
O [auth bD]	SCOP2B Superfamily	Photosystem I subunit PsaD	8102825	3000951	SCOP2B (2022-06-29)
Z [auth cD]	SCOP2B Superfamily	Photosystem I subunit PsaD	8102825	3000951	SCOP2B (2022-06-29)
AA [auth cE]	SCOP2B Superfamily	Electron transport accessory proteins	8102817	3000325	SCOP2B (2022-06-29)
E [auth aE]	SCOP2 Family	Photosystem I accessory protein E (PsaE)	8102816	4001749	SCOP2 (2022-06-29)
E [auth aE]	SCOP2 Superfamily	Electron transport accessory proteins	8102817	3000325	SCOP2 (2022-06-29)
P [auth bE]	SCOP2B Superfamily	Electron transport accessory proteins	8102817	3000325	SCOP2B (2022-06-29)
BA [auth cF]	SCOP2 Family	Subunit III of photosystem I reaction centre PsaF	8102822	4002091	SCOP2 (2022-06-29)
BA [auth cF]	SCOP2 Superfamily	Subunit III of photosystem I reaction centre PsaF	8102823	3000813	SCOP2 (2022-06-29)
F [auth aF]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8102823	3000813	SCOP2B (2022-06-29)
Q [auth bF]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8102823	3000813	SCOP2B (2022-06-29)
DA [auth cJ]	SCOP2 Family	Subunit IX of photosystem I reaction centre PsaJ	8102820	4002101	SCOP2 (2022-06-29)
DA [auth cJ]	SCOP2 Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8102821	3000824	SCOP2 (2022-06-29)
H [auth aJ]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8102821	3000824	SCOP2B (2022-06-29)
S [auth bJ]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8102821	3000824	SCOP2B (2022-06-29)
T [auth bK]	SCOP2 Family	Photosystem I reaction center subunit X PsaK	8102826	4002128	SCOP2 (2022-06-29)
T [auth bK]	SCOP2 Superfamily	Photosystem I reaction center subunit X PsaK	8102827	3000859	SCOP2 (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 aA]	PF00223	e7coyaA1	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: PF00223	ECOD (1.6)
A [auth aA]	PF00223	e7coyaA2	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: PF00223	ECOD (1.6)
L [auth bA]	PF00223	e7coybA1	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: PF00223	ECOD (1.6)
L [auth bA]	PF00223	e7coybA2	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: PF00223	ECOD (1.6)
W [auth cA]	PF00223	e7coycA2	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: PF00223	ECOD (1.6)
W [auth cA]	PF00223	e7coycA1	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: PF00223	ECOD (1.6)
FA [auth cL]	PF02605	e7coycL1	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: PF02605	ECOD (1.6)
J [auth aL]	PF02605	e7coyaL1	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: PF02605	ECOD (1.6)
U [auth bL]	PF02605	e7coybL1	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: PF02605	ECOD (1.6)
GA [auth cM]	PF07465	e7coycM1	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: PF07465	ECOD (1.6)
K [auth aM]	PF07465	e7coyaM1	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: PF07465	ECOD (1.6)
V [auth bM]	PF07465	e7coybM1	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: PF07465	ECOD (1.6)
B [auth aB]	PF00223	e7coyaB2	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: PF00223	ECOD (1.6)
B [auth aB]	PF00223	e7coyaB1	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: PF00223	ECOD (1.6)
M [auth bB]	PF00223	e7coybB2	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: PF00223	ECOD (1.6)
M [auth bB]	PF00223	e7coybB1	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: PF00223	ECOD (1.6)
X [auth cB]	PF00223	e7coycB2	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: PF00223	ECOD (1.6)
X [auth cB]	PF00223	e7coycB1	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: PF00223	ECOD (1.6)
C [auth aC]	PF00037	e7coyaC1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
N [auth bC]	PF00037	e7coybC1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
Y [auth cC]	PF00037	e7coycC1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: PF00037	ECOD (1.6)
D [auth aD]	PF02531	e7coyaD1	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: PF02531	ECOD (1.6)
O [auth bD]	PF02531	e7coybD1	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: PF02531	ECOD (1.6)
Z [auth cD]	PF02531	e7coycD1	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: PF02531	ECOD (1.6)
AA [auth cE]	PF02427	e7coycE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
E [auth aE]	PF02427	e7coyaE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
P [auth bE]	PF02427	e7coybE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
BA [auth cF]	PF02507	e7coycF1	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: PF02507	ECOD (1.6)
F [auth aF]	PF02507	e7coyaF1	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: PF02507	ECOD (1.6)
Q [auth bF]	PF02507	e7coybF1	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: PF02507	ECOD (1.6)
CA [auth cI]	F_UNCLASSIFIED	e7coycI1	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)
G [auth aI]	F_UNCLASSIFIED	e7coyaI1	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)
R [auth bI]	F_UNCLASSIFIED	e7coybI1	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)
DA [auth cJ]	PF01701	e7coycJ1	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: PF01701	ECOD (1.6)
H [auth aJ]	PF01701	e7coyaJ1	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: PF01701	ECOD (1.6)
S [auth bJ]	PF01701	e7coybJ1	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: PF01701	ECOD (1.6)
EA [auth cK]	F_UNCLASSIFIED	e7coycK1	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)
I [auth aK]	F_UNCLASSIFIED	e7coyaK1	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)
T [auth bK]	F_UNCLASSIFIED	e7coybK1	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth aA], L [auth bA], W [auth cA]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
FA [auth cL], J [auth aL], U [auth bL]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
B [auth aB], M [auth bB], X [auth cB]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
C [auth aC], N [auth bC], Y [auth cC]	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 [auth aD], O [auth bD], Z [auth cD]	PF02531	PsaD (PsaD)	PsaD	-	Family
AA [auth cE], E [auth aE], P [auth bE]	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
BA [auth cF], F [auth aF], Q [auth bF]	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
DA [auth cJ], H [auth aJ], S [auth bJ]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family
EA [auth cK], I [auth aK], T [auth bK]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth aA], L [auth bA], W [auth cA]	Photosystem I P700 chlorophyll a apoprotein A1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding 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	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
FA [auth cL], J [auth aL], U [auth bL]	Photosystem I protein PsaL	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
GA [auth cM], K [auth aM], V [auth bM]	Photosystem I protein PsaM	-	-	-
B [auth aB], M [auth bB], X [auth cB]	Photosystem I P700 chlorophyll a apoprotein A2	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding 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	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
C [auth aC], N [auth bC], Y [auth cC]	Photosystem I iron-sulfur center	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 cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy photosynthetic electron transport in photosystem I	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
D [auth aD], O [auth bD], Z [auth cD]	Photosystem I protein PsaD	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
AA [auth cE], E [auth aE], P [auth bE]	Photosystem I reaction center subunit IV	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
BA [auth cF], F [auth aF], Q [auth bF]	Photosystem I protein PsaF	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
CA [auth cI], G [auth aI], R [auth bI]	Photosystem I protein Psa27	-	-	-
DA [auth cJ], H [auth aJ], S [auth bJ]	Photosystem I reaction center subunit IX	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
EA [auth cK], I [auth aK], T [auth bK]	Photosystem I reaction center subunit PsaK	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth aA], L [auth bA], W [auth cA]	IPR006243	Photosystem I PsaA	Family
A [auth aA], L [auth bA], W [auth cA]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A [auth aA], L [auth bA], W [auth cA]	IPR001280	Photosystem I PsaA/PsaB	Family
A [auth aA], L [auth bA], W [auth cA]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
FA [auth cL], J [auth aL], U [auth bL]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
FA [auth cL], J [auth aL], U [auth bL]	IPR022980	Photosystem I, reaction centre subunit XI	Family
FA [auth cL], J [auth aL], U [auth bL]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
B [auth aB], M [auth bB], X [auth cB]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B [auth aB], M [auth bB], X [auth cB]	IPR001280	Photosystem I PsaA/PsaB	Family
B [auth aB], M [auth bB], X [auth cB]	IPR006244	Photosystem I PsaB	Family
B [auth aB], M [auth bB], X [auth cB]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
C [auth aC], N [auth bC], Y [auth cC]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C [auth aC], N [auth bC], Y [auth cC]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C [auth aC], N [auth bC], Y [auth cC]	IPR017491	Photosystem I protein PsaC	Family
D [auth aD], O [auth bD], Z [auth cD]	IPR003685	Photosystem I PsaD	Family
D [auth aD], O [auth bD], Z [auth cD]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
AA [auth cE], E [auth aE], P [auth bE]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
AA [auth cE], E [auth aE], P [auth bE]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
BA [auth cF], F [auth aF], Q [auth bF]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
BA [auth cF], F [auth aF], Q [auth bF]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
DA [auth cJ], H [auth aJ], S [auth bJ]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
DA [auth cJ], H [auth aJ], S [auth bJ]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
EA [auth cK], I [auth aK], T [auth bK]	IPR037101	Photosystem I reaction centre subunit PsaK	Homologous Superfamily
EA [auth cK], I [auth aK], T [auth bK]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
EA [auth cK], I [auth aK], T [auth bK]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
EA [auth cK], I [auth aK], T [auth bK]	IPR017492	Photosystem I reaction center subunit PsaK	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth aA], AA [auth cE], B [auth aB], BA [auth cF], C [auth aC] A [auth aA], AA [auth cE], B [auth aB], BA [auth cF], C [auth aC], DA [auth cJ], E [auth aE], EA [auth cK], F [auth aF], FA [auth cL], H [auth aJ], I [auth aK], J [auth aL], L [auth bA], M [auth bB], N [auth bC], P [auth bE], Q [auth bF], S [auth bJ], T [auth bK], U [auth bL], W [auth cA], X [auth cB], Y [auth cC]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth aA], AA [auth cE], B [auth aB], BA [auth cF], C [auth aC] A [auth aA], AA [auth cE], B [auth aB], BA [auth cF], C [auth aC], DA [auth cJ], E [auth aE], EA [auth cK], F [auth aF], FA [auth cL], H [auth aJ], I [auth aK], J [auth aL], L [auth bA], M [auth bB], N [auth bC], P [auth bE], Q [auth bF], S [auth bJ], T [auth bK], U [auth bL], W [auth cA], X [auth cB], Y [auth cC]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Photosystems	Photosystem I utilizing far-red light, trimer