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)
J [auth L]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8105714	3000870	SCOP2B (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)
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)
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)
L [auth X]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8105698	3000113	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)
D	SCOP2B Superfamily	Photosystem I subunit PsaD	8105696	3000951	SCOP2B (2022-06-29)
BA [auth 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)
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)
E	SCOP2B Superfamily	Electron transport accessory proteins	8105722	3000325	SCOP2B (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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00223	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: PF00223	ECOD (1.6)
A	PF00223	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: PF00223	ECOD (1.6)
M [auth G]	PF00223	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: PF00223	ECOD (1.6)
M [auth G]	PF00223	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: PF00223	ECOD (1.6)
Y [auth a]	PF00223	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: PF00223	ECOD (1.6)
Y [auth a]	PF00223	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: PF00223	ECOD (1.6)
J [auth L]	PF02605	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: PF02605	ECOD (1.6)
HA [auth l]	PF02605	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: PF02605	ECOD (1.6)
V [auth U]	PF02605	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: PF02605	ECOD (1.6)
W [auth V]	PF07465	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: PF07465	ECOD (1.6)
IA [auth m]	PF07465	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: PF07465	ECOD (1.6)
K [auth M]	PF07465	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: PF07465	ECOD (1.6)
JA [auth x]	PF00111	e7s3dx1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF00111	ECOD (1.6)
X [auth W]	PF00111	e7s3dW1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF00111	ECOD (1.6)
L [auth X]	PF00111	e7s3dX1	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: PF00111	ECOD (1.6)
B	PF00223	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: PF00223	ECOD (1.6)
B	PF00223	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: PF00223	ECOD (1.6)
N [auth H]	PF00223	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: PF00223	ECOD (1.6)
N [auth H]	PF00223	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: PF00223	ECOD (1.6)
Z [auth b]	PF00223	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: PF00223	ECOD (1.6)
Z [auth b]	PF00223	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: PF00223	ECOD (1.6)
AA [auth c]	PF00037	e7s3dc1	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)
C	PF00037	e7s3dC1	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)
O [auth N]	PF00037	e7s3dN1	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	PF02531	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: PF02531	ECOD (1.6)
BA [auth d]	PF02531	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: PF02531	ECOD (1.6)
P [auth O]	PF02531	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: PF02531	ECOD (1.6)
CA [auth e]	PF02427	e7s3de1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
Q [auth P]	PF02427	e7s3dP1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
E	PF02427	e7s3dE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
DA [auth f]	PF02507	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: PF02507	ECOD (1.6)
F	PF02507	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: PF02507	ECOD (1.6)
R [auth Q]	PF02507	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: PF02507	ECOD (1.6)
EA [auth i]	F_UNCLASSIFIED	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: F_UNCLASSIFIED	ECOD (1.6)
G [auth I]	F_UNCLASSIFIED	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: F_UNCLASSIFIED	ECOD (1.6)
S [auth R]	F_UNCLASSIFIED	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: F_UNCLASSIFIED	ECOD (1.6)
FA [auth j]	PF01701	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: PF01701	ECOD (1.6)
H [auth J]	PF01701	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: PF01701	ECOD (1.6)
T [auth S]	PF01701	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: PF01701	ECOD (1.6)
GA [auth k]	PF01241	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: PF01241	ECOD (1.6)
I [auth K]	PF01241	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: PF01241	ECOD (1.6)
U [auth T]	PF01241	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: PF01241	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
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
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

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 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
HA [auth l], J [auth L], V [auth U]	PSI subunit V	-	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
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	-	-
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 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
AA [auth c], C, O [auth N]	PsaC	-	-	-
BA [auth d], D, P [auth O]	Photosystem I 16 kDa polypeptide	-	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 e], E, Q [auth P]	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
DA [auth f], F, R [auth Q]	PSI-F	-	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
EA [auth i], G [auth I], S [auth R]	PsaI2	-	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
FA [auth j], H [auth J], T [auth S]	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
GA [auth k], I [auth K], U [auth T]	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, M [auth G], Y [auth a]	IPR006243	Photosystem I PsaA	Family
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]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
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
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

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

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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 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: PDBTM PDBTM Database Homepage