6KMX

Structure of PSI from H. hongdechloris grown under far-red light condition

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	8096591	4002118	SCOP2 (2022-06-29)
A [auth aA]	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8096592	3000850	SCOP2 (2022-06-29)
S [auth cA]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8096592	3000850	SCOP2B (2022-06-29)
J [auth bA]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8096592	3000850	SCOP2B (2022-06-29)
B [auth aB]	SCOP2 Family	Photosystem I subunits PsaA/PsaB	8093921	4002118	SCOP2 (2022-06-29)
B [auth aB]	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8093922	3000850	SCOP2 (2022-06-29)
T [auth cB]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8093922	3000850	SCOP2B (2022-06-29)
K [auth bB]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8093922	3000850	SCOP2B (2022-06-29)
L [auth bC]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093704	3000020	SCOP2B (2022-06-29)
C [auth aC]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093704	3000020	SCOP2B (2022-06-29)
U [auth cC]	SCOP2 Family	7-Fe ferredoxin	8093703	4001227	SCOP2 (2022-06-29)
U [auth cC]	SCOP2 Superfamily	4Fe-4S ferredoxins	8093704	3000020	SCOP2 (2022-06-29)
E [auth aE]	SCOP2 Family	Photosystem I accessory protein E (PsaE)	8093955	4001749	SCOP2 (2022-06-29)
E [auth aE]	SCOP2 Superfamily	Electron transport accessory proteins	8093956	3000325	SCOP2 (2022-06-29)
N [auth bE]	SCOP2B Superfamily	Electron transport accessory proteins	8093956	3000325	SCOP2B (2022-06-29)
W [auth cE]	SCOP2B Superfamily	Electron transport accessory proteins	8093956	3000325	SCOP2B (2022-06-29)
O [auth bI]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre PsaI	8095665	3000819	SCOP2B (2022-06-29)
X [auth cI]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre PsaI	8095665	3000819	SCOP2B (2022-06-29)
F [auth aI]	SCOP2 Family	Subunit VIII of photosystem I reaction centre PsaI	8095664	4002098	SCOP2 (2022-06-29)
F [auth aI]	SCOP2 Superfamily	Subunit VIII of photosystem I reaction centre PsaI	8095665	3000819	SCOP2 (2022-06-29)
P [auth bK]	SCOP2B Superfamily	Photosystem I reaction center subunit X PsaK	8094805	3000859	SCOP2B (2022-06-29)
G [auth aK]	SCOP2B Superfamily	Photosystem I reaction center subunit X PsaK	8094805	3000859	SCOP2B (2022-06-29)
Y [auth cK]	SCOP2 Family	Photosystem I reaction center subunit X PsaK	8094804	4002128	SCOP2 (2022-06-29)
Y [auth cK]	SCOP2 Superfamily	Photosystem I reaction center subunit X PsaK	8094805	3000859	SCOP2 (2022-06-29)
H [auth aL]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8095493	3000870	SCOP2B (2022-06-29)
Q [auth bL]	SCOP2 Family	Photosystem I reaction center subunit XI PsaL	8095492	4002135	SCOP2 (2022-06-29)
Q [auth bL]	SCOP2 Superfamily	Photosystem I reaction center subunit XI PsaL	8095493	3000870	SCOP2 (2022-06-29)
Z [auth cL]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8095493	3000870	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth aA]	PsaA_PsaB_C	e6kmxaA2	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 [auth aA]	PsaA_PsaB_N	e6kmxaA1	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)
S [auth cA]	PsaA_PsaB_C	e6kmxcA1	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)
S [auth cA]	PsaA_PsaB_N	e6kmxcA2	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)
J [auth bA]	PsaA_PsaB_C	e6kmxbA1	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)
J [auth bA]	PsaA_PsaB_N	e6kmxbA2	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)
B [auth aB]	PsaA_PsaB_C	e6kmxaB1	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 [auth aB]	PsaA_PsaB_N	e6kmxaB2	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)
T [auth cB]	PsaA_PsaB_C	e6kmxcB2	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)
T [auth cB]	PsaA_PsaB_N	e6kmxcB1	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)
K [auth bB]	PsaA_PsaB_C	e6kmxbB1	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)
K [auth bB]	PsaA_PsaB_N	e6kmxbB2	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)
L [auth bC]	Fer4_21_1	e6kmxbC1	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)
C [auth aC]	Fer4_21_1	e6kmxaC1	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)
U [auth cC]	Fer4_21_1	e6kmxcC1	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)
M [auth bD]	PsaD	e6kmxbD1	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)
V [auth cD]	PsaD	e6kmxcD1	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)
D [auth aD]	PsaD	e6kmxaD1	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 [auth aE]	PSI_PsaE	e6kmxaE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
N [auth bE]	PSI_PsaE	e6kmxbE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
W [auth cE]	PSI_PsaE	e6kmxcE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
O [auth bI]	PSI_8	e6kmxbI1	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)
X [auth cI]	PSI_8	e6kmxcI1	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)
F [auth aI]	PSI_8	e6kmxaI1	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)
P [auth bK]	PSI_PSAK	e6kmxbK1	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 [auth aK]	PSI_PSAK	e6kmxaK1	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)
Y [auth cK]	PSI_PSAK	e6kmxcK1	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)
H [auth aL]	PsaL	e6kmxaL1	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)
Q [auth bL]	PsaL	e6kmxbL1	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)
Z [auth cL]	PsaL	e6kmxcL1	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)
AA [auth cM]	PsaM	e6kmxcM1	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: PsaM	ECOD (1.6)
I [auth aM]	PsaM	e6kmxaM1	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: PsaM	ECOD (1.6)
R [auth bM]	PsaM	e6kmxbM1	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: PsaM	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth aA], J [auth bA], S [auth cA]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
B [auth aB], K [auth bB], T [auth cB]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
C [auth aC], L [auth bC], U [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], M [auth bD], V [auth cD]	PF02531	PsaD (PsaD)	PsaD	-	Family
E [auth aE], N [auth bE], W [auth cE]	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
G [auth aK], P [auth bK], Y [auth cK]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
H [auth aL], Q [auth bL], Z [auth cL]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth aA], J [auth bA], S [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
B [auth aB], K [auth bB], T [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], L [auth bC], U [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], M [auth bD], V [auth cD]	Photosystem I reaction center subunit II	oxidoreductase activity catalytic 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 photosystem I reaction center
E [auth aE], N [auth bE], W [auth cE]	Photosystem I reaction center subunit IV	oxidoreductase activity catalytic 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 photosystem I reaction center
F [auth aI], O [auth bI], X [auth cI]	Photosystem I reaction center subunit VIII	oxidoreductase activity catalytic activity	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 thylakoid non-membrane-bounded organelle
G [auth aK], P [auth bK], Y [auth cK]	Photosystem I reaction center subunit PsaK	oxidoreductase activity catalytic 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
H [auth aL], Q [auth bL], Z [auth cL]	Photosystem I reaction center subunit XI	oxidoreductase activity catalytic activity	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
AA [auth cM], I [auth aM], R [auth bM]	Photosystem I reaction center subunit XII	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth aA], J [auth bA], S [auth cA]	IPR006243	Photosystem I PsaA	Family
A [auth aA], J [auth bA], S [auth cA]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A [auth aA], J [auth bA], S [auth cA]	IPR001280	Photosystem I PsaA/PsaB	Family
A [auth aA], J [auth bA], S [auth cA]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
B [auth aB], K [auth bB], T [auth cB]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B [auth aB], K [auth bB], T [auth cB]	IPR001280	Photosystem I PsaA/PsaB	Family
B [auth aB], K [auth bB], T [auth cB]	IPR006244	Photosystem I PsaB	Family
B [auth aB], K [auth bB], T [auth cB]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
C [auth aC], L [auth bC], U [auth cC]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C [auth aC], L [auth bC], U [auth cC]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C [auth aC], L [auth bC], U [auth cC]	IPR017491	Photosystem I protein PsaC	Family
D [auth aD], M [auth bD], V [auth cD]	IPR003685	Photosystem I PsaD	Family
D [auth aD], M [auth bD], V [auth cD]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
E [auth aE], N [auth bE], W [auth cE]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
E [auth aE], N [auth bE], W [auth cE]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
F [auth aI], O [auth bI], X [auth cI]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
G [auth aK], P [auth bK], Y [auth cK]	IPR037101	Photosystem I reaction centre subunit PsaK	Homologous Superfamily
G [auth aK], P [auth bK], Y [auth cK]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
G [auth aK], P [auth bK], Y [auth cK]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
G [auth aK], P [auth bK], Y [auth cK]	IPR017492	Photosystem I reaction center subunit PsaK	Family
H [auth aL], Q [auth bL], Z [auth cL]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
H [auth aL], Q [auth bL], Z [auth cL]	IPR022980	Photosystem I, reaction centre subunit XI	Family
H [auth aL], Q [auth bL], Z [auth cL]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth aA], B [auth aB], C [auth aC], E [auth aE], F [auth aI] A [auth aA], B [auth aB], C [auth aC], E [auth aE], F [auth aI], G [auth aK], H [auth aL], J [auth bA], K [auth bB], L [auth bC], N [auth bE], O [auth bI], P [auth bK], Q [auth bL], S [auth cA], T [auth cB], U [auth cC], W [auth cE], X [auth cI], Y [auth cK], Z [auth cL]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth aA], B [auth aB], C [auth aC], E [auth aE], F [auth aI] A [auth aA], B [auth aB], C [auth aC], E [auth aE], F [auth aI], G [auth aK], H [auth aL], J [auth bA], K [auth bB], L [auth bC], N [auth bE], O [auth bI], P [auth bK], Q [auth bL], S [auth cA], T [auth cB], U [auth cC], W [auth cE], X [auth cI], Y [auth cK], Z [auth cL]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Photosystems	Photosystem I grown under white light conditions

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6KMX

Structure of PSI from H. hongdechloris grown under far-red light condition

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: OPM OPM Database Homepage

Membrane Protein Annotation: mpstruc mpstruc Database Homepage