5ZF0

X-ray Structure of the Electron Transfer Complex between Ferredoxin and Photosystem I

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth B1]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034274	3000850	SCOP2B (2022-06-29)
JB [auth B5]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034274	3000850	SCOP2B (2022-06-29)
LA [auth B4]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034274	3000850	SCOP2B (2022-06-29)
N [auth B2]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034274	3000850	SCOP2B (2022-06-29)
Z [auth B3]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034274	3000850	SCOP2B (2022-06-29)
XA [auth B6]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034274	3000850	SCOP2B (2022-06-29)
M [auth A2]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034272	3000850	SCOP2B (2022-06-29)
WA [auth A6]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034272	3000850	SCOP2B (2022-06-29)
A [auth A1]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034272	3000850	SCOP2B (2022-06-29)
IB [auth A5]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034272	3000850	SCOP2B (2022-06-29)
KA [auth A4]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034272	3000850	SCOP2B (2022-06-29)
Y [auth A3]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8034272	3000850	SCOP2B (2022-06-29)
FB [auth L6]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8034291	3000870	SCOP2B (2022-06-29)
TA [auth L4]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8034291	3000870	SCOP2B (2022-06-29)
HA [auth L3]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8034291	3000870	SCOP2B (2022-06-29)
J [auth L1]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8034291	3000870	SCOP2B (2022-06-29)
RB [auth L5]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8034291	3000870	SCOP2B (2022-06-29)
V [auth L2]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8034291	3000870	SCOP2B (2022-06-29)
IA [auth M3]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8034290	3000829	SCOP2B (2022-06-29)
SB [auth M5]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8034290	3000829	SCOP2B (2022-06-29)
UA [auth M4]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8034290	3000829	SCOP2B (2022-06-29)
W [auth M2]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8034290	3000829	SCOP2B (2022-06-29)
GB [auth M6]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8034290	3000829	SCOP2B (2022-06-29)
K [auth M1]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8034290	3000829	SCOP2B (2022-06-29)
UB [auth P1]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8034515	3000113	SCOP2B (2022-06-29)
VB [auth P2]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8034515	3000113	SCOP2B (2022-06-29)
WB [auth P3]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8034515	3000113	SCOP2B (2022-06-29)
XB [auth P4]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8034515	3000113	SCOP2B (2022-06-29)
YB [auth P6]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8034515	3000113	SCOP2B (2022-06-29)
ZB [auth P5]	SCOP2B Superfamily	2Fe-2S ferredoxin-like	8034515	3000113	SCOP2B (2022-06-29)
MA [auth C4]	SCOP2B Superfamily	4Fe-4S ferredoxins	8034277	3000020	SCOP2B (2022-06-29)
YA [auth C6]	SCOP2B Superfamily	4Fe-4S ferredoxins	8034277	3000020	SCOP2B (2022-06-29)
AA [auth C3]	SCOP2B Superfamily	4Fe-4S ferredoxins	8034277	3000020	SCOP2B (2022-06-29)
C [auth C1]	SCOP2B Superfamily	4Fe-4S ferredoxins	8034277	3000020	SCOP2B (2022-06-29)
KB [auth C5]	SCOP2B Superfamily	4Fe-4S ferredoxins	8034277	3000020	SCOP2B (2022-06-29)
O [auth C2]	SCOP2B Superfamily	4Fe-4S ferredoxins	8034277	3000020	SCOP2B (2022-06-29)
BA [auth D3]	SCOP2B Superfamily	Photosystem I subunit PsaD	8034279	3000951	SCOP2B (2022-06-29)
D [auth D1]	SCOP2B Superfamily	Photosystem I subunit PsaD	8034279	3000951	SCOP2B (2022-06-29)
LB [auth D5]	SCOP2B Superfamily	Photosystem I subunit PsaD	8034279	3000951	SCOP2B (2022-06-29)
ZA [auth D6]	SCOP2B Superfamily	Photosystem I subunit PsaD	8034279	3000951	SCOP2B (2022-06-29)
NA [auth D4]	SCOP2B Superfamily	Photosystem I subunit PsaD	8034279	3000951	SCOP2B (2022-06-29)
P [auth D2]	SCOP2B Superfamily	Photosystem I subunit PsaD	8034279	3000951	SCOP2B (2022-06-29)
AB [auth E6]	SCOP2B Superfamily	Electron transport accessory proteins	8034282	3000325	SCOP2B (2022-06-29)
E [auth E1]	SCOP2B Superfamily	Electron transport accessory proteins	8034282	3000325	SCOP2B (2022-06-29)
MB [auth E5]	SCOP2B Superfamily	Electron transport accessory proteins	8034282	3000325	SCOP2B (2022-06-29)
OA [auth E4]	SCOP2B Superfamily	Electron transport accessory proteins	8034282	3000325	SCOP2B (2022-06-29)
CA [auth E3]	SCOP2B Superfamily	Electron transport accessory proteins	8034282	3000325	SCOP2B (2022-06-29)
Q [auth E2]	SCOP2B Superfamily	Electron transport accessory proteins	8034282	3000325	SCOP2B (2022-06-29)
F [auth F1]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8034284	3000813	SCOP2B (2022-06-29)
PA [auth F4]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8034284	3000813	SCOP2B (2022-06-29)
R [auth F2]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8034284	3000813	SCOP2B (2022-06-29)
BB [auth F6]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8034284	3000813	SCOP2B (2022-06-29)
DA [auth F3]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8034284	3000813	SCOP2B (2022-06-29)
NB [auth F5]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8034284	3000813	SCOP2B (2022-06-29)
G [auth I1]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8034286	3000819	SCOP2B (2022-06-29)
OB [auth I5]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8034286	3000819	SCOP2B (2022-06-29)
QA [auth I4]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8034286	3000819	SCOP2B (2022-06-29)
S [auth I2]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8034286	3000819	SCOP2B (2022-06-29)
CB [auth I6]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8034286	3000819	SCOP2B (2022-06-29)
EA [auth I3]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8034286	3000819	SCOP2B (2022-06-29)
H [auth J1]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8034287	3000824	SCOP2B (2022-06-29)
DB [auth J6]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8034287	3000824	SCOP2B (2022-06-29)
FA [auth J3]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8034287	3000824	SCOP2B (2022-06-29)
PB [auth J5]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8034287	3000824	SCOP2B (2022-06-29)
RA [auth J4]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8034287	3000824	SCOP2B (2022-06-29)
T [auth J2]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8034287	3000824	SCOP2B (2022-06-29)
EB [auth K6]	SCOP2B Superfamily	Photosystem I reaction center subunit X, PsaK	8034288	3000859	SCOP2B (2022-06-29)
GA [auth K3]	SCOP2B Superfamily	Photosystem I reaction center subunit X, PsaK	8034288	3000859	SCOP2B (2022-06-29)
SA [auth K4]	SCOP2B Superfamily	Photosystem I reaction center subunit X, PsaK	8034288	3000859	SCOP2B (2022-06-29)
I [auth K1]	SCOP2B Superfamily	Photosystem I reaction center subunit X, PsaK	8034288	3000859	SCOP2B (2022-06-29)
QB [auth K5]	SCOP2B Superfamily	Photosystem I reaction center subunit X, PsaK	8034288	3000859	SCOP2B (2022-06-29)
U [auth K2]	SCOP2B Superfamily	Photosystem I reaction center subunit X, PsaK	8034288	3000859	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)
B [auth B1]	PsaA_PsaB_C	e5zf0B11	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 B1]	PsaA_PsaB_N	e5zf0B12	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)
JB [auth B5]	PsaA_PsaB_C	e5zf0B51	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)
JB [auth B5]	PsaA_PsaB_N	e5zf0B52	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)
LA [auth B4]	PsaA_PsaB_C	e5zf0B42	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)
LA [auth B4]	PsaA_PsaB_N	e5zf0B41	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 B2]	PsaA_PsaB_C	e5zf0B22	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 B2]	PsaA_PsaB_N	e5zf0B21	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 B3]	PsaA_PsaB_C	e5zf0B31	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 B3]	PsaA_PsaB_N	e5zf0B32	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)
XA [auth B6]	PsaA_PsaB_C	e5zf0B62	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)
XA [auth B6]	PsaA_PsaB_N	e5zf0B61	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 A2]	PsaA_PsaB_C	e5zf0A21	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 A2]	PsaA_PsaB_N	e5zf0A22	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)
WA [auth A6]	PsaA_PsaB_C	e5zf0A61	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)
WA [auth A6]	PsaA_PsaB_N	e5zf0A62	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)
A [auth A1]	PsaA_PsaB_C	e5zf0A11	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 A1]	PsaA_PsaB_N	e5zf0A12	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)
IB [auth A5]	PsaA_PsaB_C	e5zf0A51	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)
IB [auth A5]	PsaA_PsaB_N	e5zf0A52	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)
KA [auth A4]	PsaA_PsaB_C	e5zf0A41	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)
KA [auth A4]	PsaA_PsaB_N	e5zf0A42	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 A3]	PsaA_PsaB_C	e5zf0A32	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 A3]	PsaA_PsaB_N	e5zf0A31	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)
FB [auth L6]	PsaL	e5zf0L61	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)
TA [auth L4]	PsaL	e5zf0L41	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)
HA [auth L3]	PsaL	e5zf0L31	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 L1]	PsaL	e5zf0L11	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)
RB [auth L5]	PsaL	e5zf0L51	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 L2]	PsaL	e5zf0L21	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 M3]	PsaM	e5zf0M31	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)
SB [auth M5]	PsaM	e5zf0M51	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)
UA [auth M4]	PsaM	e5zf0M41	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 M2]	PsaM	e5zf0M21	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)
GB [auth M6]	PsaM	e5zf0M61	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 M1]	PsaM	e5zf0M11	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 X3]	PsaX	e5zf0X31	A: extended segments	X: Subunit PsaX of photosystem I reaction centre (From Topology)	H: Subunit PsaX of photosystem I reaction centre (From Topology)	T: Subunit PsaX of photosystem I reaction centre	F: PsaX	ECOD (1.6)
VA [auth X4]	PsaX	e5zf0X41	A: extended segments	X: Subunit PsaX of photosystem I reaction centre (From Topology)	H: Subunit PsaX of photosystem I reaction centre (From Topology)	T: Subunit PsaX of photosystem I reaction centre	F: PsaX	ECOD (1.6)
HB [auth X6]	PsaX	e5zf0X61	A: extended segments	X: Subunit PsaX of photosystem I reaction centre (From Topology)	H: Subunit PsaX of photosystem I reaction centre (From Topology)	T: Subunit PsaX of photosystem I reaction centre	F: PsaX	ECOD (1.6)
L [auth X1]	PsaX	e5zf0X11	A: extended segments	X: Subunit PsaX of photosystem I reaction centre (From Topology)	H: Subunit PsaX of photosystem I reaction centre (From Topology)	T: Subunit PsaX of photosystem I reaction centre	F: PsaX	ECOD (1.6)
TB [auth X5]	PsaX	e5zf0X51	A: extended segments	X: Subunit PsaX of photosystem I reaction centre (From Topology)	H: Subunit PsaX of photosystem I reaction centre (From Topology)	T: Subunit PsaX of photosystem I reaction centre	F: PsaX	ECOD (1.6)
X [auth X2]	PsaX	e5zf0X21	A: extended segments	X: Subunit PsaX of photosystem I reaction centre (From Topology)	H: Subunit PsaX of photosystem I reaction centre (From Topology)	T: Subunit PsaX of photosystem I reaction centre	F: PsaX	ECOD (1.6)
UB [auth P1]	Fer2	e5zf0P11	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)
VB [auth P2]	Fer2	e5zf0P21	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)
WB [auth P3]	Fer2	e5zf0P31	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)
XB [auth P4]	Fer2	e5zf0P41	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)
YB [auth P6]	Fer2	e5zf0P61	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)
ZB [auth P5]	Fer2	e5zf0P51	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: Fer2	ECOD (1.6)
MA [auth C4]	Fer4_21_1	e5zf0C41	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)
YA [auth C6]	Fer4_21_1	e5zf0C61	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)
AA [auth C3]	Fer4_21_1	e5zf0C31	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 C1]	Fer4_21_1	e5zf0C11	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)
KB [auth C5]	Fer4_21_1	e5zf0C51	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 C2]	Fer4_21_1	e5zf0C21	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 D3]	PsaD	e5zf0D31	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 D1]	PsaD	e5zf0D11	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)
LB [auth D5]	PsaD	e5zf0D51	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)
ZA [auth D6]	PsaD	e5zf0D61	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)
NA [auth D4]	PsaD	e5zf0D41	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 D2]	PsaD	e5zf0D21	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)
AB [auth E6]	PSI_PsaE	e5zf0E61	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
E [auth E1]	PSI_PsaE	e5zf0E11	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
MB [auth E5]	PSI_PsaE	e5zf0E51	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
OA [auth E4]	PSI_PsaE	e5zf0E41	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
CA [auth E3]	PSI_PsaE	e5zf0E31	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
Q [auth E2]	PSI_PsaE	e5zf0E21	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
F [auth F1]	PSI_PsaF	e5zf0F11	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)
PA [auth F4]	PSI_PsaF	e5zf0F41	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 F2]	PSI_PsaF	e5zf0F21	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)
BB [auth F6]	PSI_PsaF	e5zf0F61	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)
DA [auth F3]	PSI_PsaF	e5zf0F31	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)
NB [auth F5]	PSI_PsaF	e5zf0F51	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)
G [auth I1]	PSI_8	e5zf0I11	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)
OB [auth I5]	PSI_8	e5zf0I51	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)
QA [auth I4]	PSI_8	e5zf0I41	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 I2]	PSI_8	e5zf0I21	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)
CB [auth I6]	PSI_8	e5zf0I61	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)
EA [auth I3]	PSI_8	e5zf0I31	A: extended segments	X: Subunit VIII of photosystem I reaction centre, PsaI (From Topology)	H: Subunit VIII of photosystem I reaction centre, PsaI (From Topology)	T: Subunit VIII of photosystem I reaction centre, PsaI	F: PSI_8	ECOD (1.6)
H [auth J1]	PSI_PsaJ	e5zf0J11	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)
DB [auth J6]	PSI_PsaJ	e5zf0J61	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)
FA [auth J3]	PSI_PsaJ	e5zf0J31	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)
PB [auth J5]	PSI_PsaJ	e5zf0J51	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)
RA [auth J4]	PSI_PsaJ	e5zf0J41	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 J2]	PSI_PsaJ	e5zf0J21	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)
EB [auth K6]	PSI_PSAK	e5zf0K61	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)
GA [auth K3]	PSI_PSAK	e5zf0K31	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)
SA [auth K4]	PSI_PSAK	e5zf0K41	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 K1]	PSI_PSAK	e5zf0K11	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)
QB [auth K5]	PSI_PSAK	e5zf0K51	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 K2]	PSI_PSAK	e5zf0K21	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], Z [auth B3]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], Y [auth A3]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], V [auth L2]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
GB [auth M6], IA [auth M3], K [auth M1], SB [auth M5], UA [auth M4], GB [auth M6], IA [auth M3], K [auth M1], SB [auth M5], UA [auth M4], W [auth M2]	PF07465	Photosystem I protein M (PsaM) (PsaM)	Photosystem I protein M (PsaM)	-	Family
UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], ZB [auth P5]	PF00111	2Fe-2S iron-sulfur cluster binding domain (Fer2)	2Fe-2S iron-sulfur cluster binding domain	-	Domain
AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], YA [auth C6]	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
BA [auth D3], D [auth D1], LB [auth D5], NA [auth D4], P [auth D2], BA [auth D3], D [auth D1], LB [auth D5], NA [auth D4], P [auth D2], ZA [auth D6]	PF02531	PsaD (PsaD)	PsaD	-	Family
AB [auth E6], CA [auth E3], E [auth E1], MB [auth E5], OA [auth E4], AB [auth E6], CA [auth E3], E [auth E1], MB [auth E5], OA [auth E4], Q [auth E2]	PF02427	Photosystem I reaction centre subunit IV / PsaE (PSI_PsaE)	Photosystem I reaction centre subunit IV / PsaE	PsaE is a 69 amino acid polypeptide from photosystem I present on the stromal side of the thylakoid membrane [1]. The structure is comprised of a well-defined five-stranded beta-sheet similar to SH3 domains [1].	Domain
BB [auth F6], DA [auth F3], F [auth F1], NB [auth F5], PA [auth F4], BB [auth F6], DA [auth F3], F [auth F1], NB [auth F5], PA [auth F4], R [auth F2]	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
CB [auth I6], EA [auth I3], G [auth I1], OB [auth I5], QA [auth I4], CB [auth I6], EA [auth I3], G [auth I1], OB [auth I5], QA [auth I4], S [auth I2]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
DB [auth J6], FA [auth J3], H [auth J1], PB [auth J5], RA [auth J4], DB [auth J6], FA [auth J3], H [auth J1], PB [auth J5], RA [auth J4], T [auth J2]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], Z [auth B3]	Photosystem I P700 chlorophyll a apoprotein A2	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding organic cyclic compound binding tetrapyrrole binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding organic cyclic compound binding tetrapyrrole binding electron transfer activity	photosynthesis 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
A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], Y [auth A3]	Photosystem I P700 chlorophyll a apoprotein A1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding organic cyclic compound binding tetrapyrrole binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding organic cyclic compound binding tetrapyrrole binding electron transfer activity	photosynthesis 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
FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], V [auth L2]	Photosystem I reaction center subunit XI	-	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
GB [auth M6], IA [auth M3], K [auth M1], SB [auth M5], UA [auth M4], GB [auth M6], IA [auth M3], K [auth M1], SB [auth M5], UA [auth M4], W [auth M2]	Photosystem I reaction center subunit XII	-	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
HB [auth X6], JA [auth X3], L [auth X1], TB [auth X5], VA [auth X4], HB [auth X6], JA [auth X3], L [auth X1], TB [auth X5], VA [auth X4], X [auth X2]	PsaX	-	-	-
UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], ZB [auth P5]	Ferredoxin-1	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	-
AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], YA [auth C6]	Photosystem I iron-sulfur center	oxidoreductase activity catalytic activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding metal ion binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain 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 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
BA [auth D3], D [auth D1], LB [auth D5], NA [auth D4], P [auth D2], BA [auth D3], D [auth D1], LB [auth D5], NA [auth D4], P [auth D2], ZA [auth D6]	Photosystem I reaction center subunit II	-	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 photosystem I reaction center thylakoid
AB [auth E6], CA [auth E3], E [auth E1], MB [auth E5], OA [auth E4], AB [auth E6], CA [auth E3], E [auth E1], MB [auth E5], OA [auth E4], Q [auth E2]	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
BB [auth F6], DA [auth F3], F [auth F1], NB [auth F5], PA [auth F4], BB [auth F6], DA [auth F3], F [auth F1], NB [auth F5], PA [auth F4], R [auth F2]	Photosystem I reaction center subunit III	-	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 photosystem I reaction center thylakoid
CB [auth I6], EA [auth I3], G [auth I1], OB [auth I5], QA [auth I4], CB [auth I6], EA [auth I3], G [auth I1], OB [auth I5], QA [auth I4], S [auth I2]	Photosystem I reaction center subunit VIII	-	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
DB [auth J6], FA [auth J3], H [auth J1], PB [auth J5], RA [auth J4], DB [auth J6], FA [auth J3], H [auth J1], PB [auth J5], RA [auth J4], T [auth J2]	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
EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], U [auth K2]	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], Z [auth B3]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], Z [auth B3]	IPR001280	Photosystem I PsaA/PsaB	Family
B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], Z [auth B3]	IPR006244	Photosystem I PsaB	Family
B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], B [auth B1], JB [auth B5], LA [auth B4], N [auth B2], XA [auth B6], Z [auth B3]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], Y [auth A3]	IPR006243	Photosystem I PsaA	Family
A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], Y [auth A3]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], Y [auth A3]	IPR001280	Photosystem I PsaA/PsaB	Family
A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], A [auth A1], IB [auth A5], KA [auth A4], M [auth A2], WA [auth A6], Y [auth A3]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], V [auth L2]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], V [auth L2]	IPR022980	Photosystem I, reaction centre subunit XI	Family
FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], FB [auth L6], HA [auth L3], J [auth L1], RB [auth L5], TA [auth L4], V [auth L2]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
GB [auth M6], IA [auth M3], K [auth M1], SB [auth M5], UA [auth M4], GB [auth M6], IA [auth M3], K [auth M1], SB [auth M5], UA [auth M4], W [auth M2]	IPR010010	Photosystem I PsaM, reaction centre	Family
GB [auth M6], IA [auth M3], K [auth M1], SB [auth M5], UA [auth M4], GB [auth M6], IA [auth M3], K [auth M1], SB [auth M5], UA [auth M4], W [auth M2]	IPR037279	Photosystem I PsaM, reaction centre superfamily	Homologous Superfamily
UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], ZB [auth P5]	IPR036010	2Fe-2S ferredoxin-like superfamily	Homologous Superfamily
UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], ZB [auth P5]	IPR010241	Ferredoxin [2Fe-2S], plant	Family
UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], ZB [auth P5]	IPR001041	2Fe-2S ferredoxin-type iron-sulfur binding domain	Domain
UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], ZB [auth P5]	IPR012675	Beta-grasp domain superfamily	Homologous Superfamily
UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], UB [auth P1], VB [auth P2], WB [auth P3], XB [auth P4], YB [auth P6], ZB [auth P5]	IPR006058	2Fe-2S ferredoxin, iron-sulphur binding site	Binding Site
AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], YA [auth C6]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], YA [auth C6]	IPR050157	Photosystem I iron-sulfur center	Family
AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], YA [auth C6]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], AA [auth C3], C [auth C1], KB [auth C5], MA [auth C4], O [auth C2], YA [auth C6]	IPR017491	Photosystem I protein PsaC	Family
BA [auth D3], D [auth D1], LB [auth D5], NA [auth D4], P [auth D2], BA [auth D3], D [auth D1], LB [auth D5], NA [auth D4], P [auth D2], ZA [auth D6]	IPR003685	Photosystem I PsaD	Family
BA [auth D3], D [auth D1], LB [auth D5], NA [auth D4], P [auth D2], BA [auth D3], D [auth D1], LB [auth D5], NA [auth D4], P [auth D2], ZA [auth D6]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
AB [auth E6], CA [auth E3], E [auth E1], MB [auth E5], OA [auth E4], AB [auth E6], CA [auth E3], E [auth E1], MB [auth E5], OA [auth E4], Q [auth E2]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
AB [auth E6], CA [auth E3], E [auth E1], MB [auth E5], OA [auth E4], AB [auth E6], CA [auth E3], E [auth E1], MB [auth E5], OA [auth E4], Q [auth E2]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
BB [auth F6], DA [auth F3], F [auth F1], NB [auth F5], PA [auth F4], BB [auth F6], DA [auth F3], F [auth F1], NB [auth F5], PA [auth F4], R [auth F2]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
BB [auth F6], DA [auth F3], F [auth F1], NB [auth F5], PA [auth F4], BB [auth F6], DA [auth F3], F [auth F1], NB [auth F5], PA [auth F4], R [auth F2]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
CB [auth I6], EA [auth I3], G [auth I1], OB [auth I5], QA [auth I4], CB [auth I6], EA [auth I3], G [auth I1], OB [auth I5], QA [auth I4], S [auth I2]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
CB [auth I6], EA [auth I3], G [auth I1], OB [auth I5], QA [auth I4], CB [auth I6], EA [auth I3], G [auth I1], OB [auth I5], QA [auth I4], S [auth I2]	IPR001302	Photosystem I reaction centre subunit VIII	Family
DB [auth J6], FA [auth J3], H [auth J1], PB [auth J5], RA [auth J4], DB [auth J6], FA [auth J3], H [auth J1], PB [auth J5], RA [auth J4], T [auth J2]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
DB [auth J6], FA [auth J3], H [auth J1], PB [auth J5], RA [auth J4], DB [auth J6], FA [auth J3], H [auth J1], PB [auth J5], RA [auth J4], T [auth J2]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], U [auth K2]	IPR037101	Photosystem I reaction centre subunit PsaK	Homologous Superfamily
EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], U [auth K2]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], U [auth K2]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], EB [auth K6], GA [auth K3], I [auth K1], QB [auth K5], SA [auth K4], U [auth K2]	IPR017492	Photosystem I reaction center subunit PsaK	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth A1], AA [auth C3], AB [auth E6], B [auth B1], BB [auth F6] A [auth A1], AA [auth C3], AB [auth E6], B [auth B1], BB [auth F6], C [auth C1], CA [auth E3], CB [auth I6], DA [auth F3], DB [auth J6], E [auth E1], EA [auth I3], EB [auth K6], F [auth F1], FA [auth J3], FB [auth L6], G [auth I1], GA [auth K3], GB [auth M6], H [auth J1], HA [auth L3], I [auth K1], IA [auth M3], IB [auth A5], J [auth L1], JB [auth B5], K [auth M1], KA [auth A4], KB [auth C5], LA [auth B4], M [auth A2], MA [auth C4], MB [auth E5], N [auth B2], NB [auth F5], O [auth C2], OA [auth E4], OB [auth I5], PA [auth F4], PB [auth J5], Q [auth E2], QA [auth I4], QB [auth K5], R [auth F2], RA [auth J4], RB [auth L5], S [auth I2], SA [auth K4], SB [auth M5], T [auth J2], TA [auth L4], U [auth K2], UA [auth M4], V [auth L2], W [auth M2], WA [auth A6], XA [auth B6], Y [auth A3], YA [auth C6], Z [auth B3]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I