7S3D

Structure of photosystem I with bound ferredoxin from Synechococcus sp. PCC 7335 acclimated to far-red light

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: PDBTM

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	8105710	3000850	SCOP2B (2022-06-29)
M [auth G]	SCOP2 Family	Photosystem I subunits PsaA/PsaB	8105709	4002118	SCOP2 (2022-06-29)
M [auth G]	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8105710	3000850	SCOP2 (2022-06-29)
Y [auth a]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8105710	3000850	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8105712	3000850	SCOP2B (2022-06-29)
N [auth H]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8105712	3000850	SCOP2B (2022-06-29)
Z [auth b]	SCOP2 Family	Photosystem I subunits PsaA/PsaB	8105711	4002118	SCOP2 (2022-06-29)
Z [auth b]	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8105712	3000850	SCOP2 (2022-06-29)
BA [auth d]	SCOP2B Superfamily	Photosystem I subunit PsaD	8105696	3000951	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Photosystem I subunit PsaD	8105696	3000951	SCOP2B (2022-06-29)
P [auth O]	SCOP2 Family	Photosystem I subunit PsaD	8105695	4003498	SCOP2 (2022-06-29)
P [auth O]	SCOP2 Superfamily	Photosystem I subunit PsaD	8105696	3000951	SCOP2 (2022-06-29)
CA [auth e]	SCOP2B Superfamily	Electron transport accessory proteins	8105722	3000325	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Electron transport accessory proteins	8105722	3000325	SCOP2B (2022-06-29)
Q [auth P]	SCOP2 Family	Photosystem I accessory protein E (PsaE)	8105721	4001749	SCOP2 (2022-06-29)
Q [auth P]	SCOP2 Superfamily	Electron transport accessory proteins	8105722	3000325	SCOP2 (2022-06-29)
DA [auth f]	SCOP2 Family	Subunit III of photosystem I reaction centre, PsaF	8105717	4002091	SCOP2 (2022-06-29)
DA [auth f]	SCOP2 Superfamily	Subunit III of photosystem I reaction centre, PsaF	8105718	3000813	SCOP2 (2022-06-29)
F	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8105718	3000813	SCOP2B (2022-06-29)
R [auth Q]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8105718	3000813	SCOP2B (2022-06-29)
EA [auth i]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8105716	3000819	SCOP2B (2022-06-29)
G [auth I]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8105716	3000819	SCOP2B (2022-06-29)
S [auth R]	SCOP2 Family	Subunit VIII of photosystem I reaction centre, PsaI	8105715	4002098	SCOP2 (2022-06-29)
S [auth R]	SCOP2 Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8105716	3000819	SCOP2 (2022-06-29)
HA [auth l]	SCOP2 Family	Photosystem I reaction center subunit XI, PsaL	8105713	4002135	SCOP2 (2022-06-29)
HA [auth l]	SCOP2 Superfamily	Photosystem I reaction center subunit XI, PsaL	8105714	3000870	SCOP2 (2022-06-29)
J [auth L]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8105714	3000870	SCOP2B (2022-06-29)
V [auth U]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8105714	3000870	SCOP2B (2022-06-29)
JA [auth x]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8105698	3000113	SCOP2B (2022-06-29)
L [auth X]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8105698	3000113	SCOP2B (2022-06-29)
X [auth W]	SCOP2 Family	2Fe-2S ferredoxin-related	8105697	4000982	SCOP2 (2022-06-29)
X [auth W]	SCOP2 Superfamily	2Fe-2S ferredoxin-like	8105698	3000113	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	PsaA_PsaB_C	e7s3dA2	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	e7s3dA1	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)
M [auth G]	PsaA_PsaB_C	e7s3dG2	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)
M [auth G]	PsaA_PsaB_N	e7s3dG1	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)
Y [auth a]	PsaA_PsaB_C	e7s3da2	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)
Y [auth a]	PsaA_PsaB_N	e7s3da1	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	PsaA_PsaB_C	e7s3dB2	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	e7s3dB1	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)
N [auth H]	PsaA_PsaB_C	e7s3dH2	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)
N [auth H]	PsaA_PsaB_N	e7s3dH1	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)
Z [auth b]	PsaA_PsaB_C	e7s3db2	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)
Z [auth b]	PsaA_PsaB_N	e7s3db1	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)
AA [auth c]	Fer4_21_1	e7s3dc1	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	Fer4_21_1	e7s3dC1	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)
O [auth N]	Fer4_21_1	e7s3dN1	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)
BA [auth d]	PsaD	e7s3dd1	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	PsaD	e7s3dD1	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)
P [auth O]	PsaD	e7s3dO1	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)
CA [auth e]	PSI_PsaE	e7s3de1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
E	PSI_PsaE	e7s3dE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
Q [auth P]	PSI_PsaE	e7s3dP1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
DA [auth f]	PSI_PsaF	e7s3df1	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)
F	PSI_PsaF	e7s3dF1	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)
R [auth Q]	PSI_PsaF	e7s3dQ1	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)
EA [auth i]	PSI_8	e7s3di1	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)
G [auth I]	PSI_8	e7s3dI1	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)
S [auth R]	PSI_8	e7s3dR1	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)
FA [auth j]	PSI_PsaJ	e7s3dj1	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)
H [auth J]	PSI_PsaJ	e7s3dJ1	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)
T [auth S]	PSI_PsaJ	e7s3dS1	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)
GA [auth k]	PSI_PSAK	e7s3dk1	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)
I [auth K]	PSI_PSAK	e7s3dK1	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)
U [auth T]	PSI_PSAK	e7s3dT1	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)
HA [auth l]	PsaL	e7s3dl1	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	e7s3dL1	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)
V [auth U]	PsaL	e7s3dU1	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)
IA [auth m]	PsaM	e7s3dm1	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)
K [auth M]	PsaM	e7s3dM1	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)
W [auth V]	PsaM	e7s3dV1	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)
JA [auth x]	Fer2	e7s3dx1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)
L [auth X]	Fer2	e7s3dX1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)
X [auth W]	Fer2	e7s3dW1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, M [auth G], Y [auth a]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
B, N [auth H], Z [auth b]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
BA [auth d], D, P [auth O]	PF02531	PsaD (PsaD)	PsaD	-	Family
CA [auth e], E, Q [auth P]	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
DA [auth f], F, R [auth Q]	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
FA [auth j], H [auth J], T [auth S]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family
GA [auth k], I [auth K], U [auth T]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
HA [auth l], J [auth L], V [auth U]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
JA [auth x], L [auth X], X [auth W]	PF00111	2Fe-2S iron-sulfur cluster binding domain (Fer2)	2Fe-2S iron-sulfur cluster binding domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, M [auth G], Y [auth a]	Photosystem I P700 chlorophyll a apoprotein A1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity chlorophyll binding tetrapyrrole binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding electron transfer activity	photosynthesis metabolic process cellular process	cellular anatomical structure endomembrane system intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle membraneless organelle cellular anatomical structure endomembrane system intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex
B, N [auth H], Z [auth b]	Photosystem I P700 chlorophyll a apoprotein A2	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity chlorophyll binding tetrapyrrole binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding electron transfer activity	photosynthesis metabolic process cellular process	cellular anatomical structure endomembrane system intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle membraneless organelle cellular anatomical structure endomembrane system intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex
AA [auth c], C, O [auth N]	PsaC	-	-	-
BA [auth d], D, P [auth O]	Photosystem I 16 kDa polypeptide	-	photosynthesis metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
CA [auth e], E, Q [auth P]	Photosystem I reaction center subunit IV	-	photosynthesis metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
DA [auth f], F, R [auth Q]	PSI-F	-	photosynthesis metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
EA [auth i], G [auth I], S [auth R]	PsaI2	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid
FA [auth j], H [auth J], T [auth S]	Photosystem I reaction center subunit IX	-	photosynthesis metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex
GA [auth k], I [auth K], U [auth T]	Photosystem I reaction center subunit PsaK	-	photosynthesis metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex
HA [auth l], J [auth L], V [auth U]	PSI subunit V	-	photosynthesis metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
IA [auth m], K [auth M], W [auth V]	PsaM	-	-	-
JA [auth x], L [auth X], X [auth W]	2Fe-2S ferredoxin-type domain-containing protein	iron-sulfur cluster binding 2 iron, 2 sulfur cluster binding binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding metal ion binding	electron transport chain metabolic process cellular process generation of precursor metabolites and energy	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, M [auth G], Y [auth a]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A, M [auth G], Y [auth a]	IPR001280	Photosystem I PsaA/PsaB	Family
A, M [auth G], Y [auth a]	IPR006243	Photosystem I PsaA	Family
A, M [auth G], Y [auth a]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
B, N [auth H], Z [auth b]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B, N [auth H], Z [auth b]	IPR001280	Photosystem I PsaA/PsaB	Family
B, N [auth H], Z [auth b]	IPR006244	Photosystem I PsaB	Family
B, N [auth H], Z [auth b]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
BA [auth d], D, P [auth O]	IPR003685	Photosystem I PsaD	Family
BA [auth d], D, P [auth O]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
CA [auth e], E, Q [auth P]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
CA [auth e], E, Q [auth P]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
DA [auth f], F, R [auth Q]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
DA [auth f], F, R [auth Q]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
EA [auth i], G [auth I], S [auth R]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
FA [auth j], H [auth J], T [auth S]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
FA [auth j], H [auth J], T [auth S]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
GA [auth k], I [auth K], U [auth T]	IPR037101	Photosystem I reaction centre subunit PsaK	Homologous Superfamily
GA [auth k], I [auth K], U [auth T]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
GA [auth k], I [auth K], U [auth T]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
GA [auth k], I [auth K], U [auth T]	IPR017492	Photosystem I reaction center subunit PsaK	Family
HA [auth l], J [auth L], V [auth U]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
HA [auth l], J [auth L], V [auth U]	IPR022980	Photosystem I, reaction centre subunit XI	Family
HA [auth l], J [auth L], V [auth U]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
JA [auth x], L [auth X], X [auth W]	IPR036010	2Fe-2S ferredoxin-like superfamily	Homologous Superfamily
JA [auth x], L [auth X], X [auth W]	IPR010241	Ferredoxin [2Fe-2S], plant	Family
JA [auth x], L [auth X], X [auth W]	IPR001041	2Fe-2S ferredoxin-type iron-sulfur binding domain	Domain
JA [auth x], L [auth X], X [auth W]	IPR012675	Beta-grasp domain superfamily	Homologous Superfamily
JA [auth x], L [auth X], X [auth W]	IPR006058	2Fe-2S ferredoxin, iron-sulphur binding site	Binding Site

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, CA [auth e], E, EA [auth i] A, B, CA [auth e], E, EA [auth i], FA [auth j], G [auth I], GA [auth k], H [auth J], HA [auth l], I [auth K], J [auth L], M [auth G], N [auth H], Q [auth P], S [auth R], T [auth S], U [auth T], V [auth U], Y [auth a], Z [auth b]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, CA [auth e], E, EA [auth i] A, B, CA [auth e], E, EA [auth i], FA [auth j], G [auth I], GA [auth k], H [auth J], HA [auth l], I [auth K], J [auth L], M [auth G], N [auth H], Q [auth P], S [auth R], T [auth S], U [auth T], V [auth U], Y [auth a], Z [auth b]	PDBTM	Annotated as membrane protein by PDBTM