6TCL

Photosystem I tetramer

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)
A [auth A1]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094435	3000850	SCOP2B (2022-06-29)
KA [auth AA]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094435	3000850	SCOP2B (2022-06-29)
M [auth A2]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094435	3000850	SCOP2B (2022-06-29)
Y [auth A]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094435	3000850	SCOP2B (2022-06-29)
J [auth L1]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8095527	3000870	SCOP2B (2022-06-29)
IA [auth M]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre PsaM	8094801	3000829	SCOP2B (2022-06-29)
K [auth M1]	SCOP2 Family	Subunit XII of photosystem I reaction centre PsaM	8094800	4002104	SCOP2 (2022-06-29)
K [auth M1]	SCOP2 Superfamily	Subunit XII of photosystem I reaction centre PsaM	8094801	3000829	SCOP2 (2022-06-29)
UA [auth MM]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre PsaM	8094801	3000829	SCOP2B (2022-06-29)
W [auth M2]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre PsaM	8094801	3000829	SCOP2B (2022-06-29)
R [auth F2]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8094713	3000813	SCOP2B (2022-06-29)
V [auth L2]	SCOP2 Family	Photosystem I reaction center subunit XI PsaL	8095526	4002135	SCOP2 (2022-06-29)
V [auth L2]	SCOP2 Superfamily	Photosystem I reaction center subunit XI PsaL	8095527	3000870	SCOP2 (2022-06-29)
CA [auth E]	SCOP2 Family	Photosystem I accessory protein E (PsaE)	8093811	4001749	SCOP2 (2022-06-29)
CA [auth E]	SCOP2 Superfamily	Electron transport accessory proteins	8093812	3000325	SCOP2 (2022-06-29)
OA [auth EE]	SCOP2B Superfamily	Electron transport accessory proteins	8093812	3000325	SCOP2B (2022-06-29)
HA [auth L]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8095527	3000870	SCOP2B (2022-06-29)
TA [auth LL]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8095527	3000870	SCOP2B (2022-06-29)
B [auth B1]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094389	3000850	SCOP2B (2022-06-29)
LA [auth BB]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094389	3000850	SCOP2B (2022-06-29)
N [auth B2]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094389	3000850	SCOP2B (2022-06-29)
Z [auth B]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094389	3000850	SCOP2B (2022-06-29)
AA [auth C]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093786	3000020	SCOP2B (2022-06-29)
C [auth C1]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093786	3000020	SCOP2B (2022-06-29)
MA [auth CC]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093786	3000020	SCOP2B (2022-06-29)
O [auth C2]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093786	3000020	SCOP2B (2022-06-29)
BA [auth D]	SCOP2B Superfamily	Photosystem I subunit PsaD	8094737	3000951	SCOP2B (2022-06-29)
D [auth D1]	SCOP2B Superfamily	Photosystem I subunit PsaD	8094737	3000951	SCOP2B (2022-06-29)
NA [auth DD]	SCOP2B Superfamily	Photosystem I subunit PsaD	8094737	3000951	SCOP2B (2022-06-29)
P [auth D2]	SCOP2B Superfamily	Photosystem I subunit PsaD	8094737	3000951	SCOP2B (2022-06-29)
E [auth E1]	SCOP2B Superfamily	Electron transport accessory proteins	8093812	3000325	SCOP2B (2022-06-29)
Q [auth E2]	SCOP2B Superfamily	Electron transport accessory proteins	8093812	3000325	SCOP2B (2022-06-29)
F [auth F1]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8094713	3000813	SCOP2B (2022-06-29)
DA [auth F]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8094713	3000813	SCOP2B (2022-06-29)
PA [auth FF]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8094713	3000813	SCOP2B (2022-06-29)
FA [auth J]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8094669	3000824	SCOP2B (2022-06-29)
H [auth J1]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8094669	3000824	SCOP2B (2022-06-29)
RA [auth JJ]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8094669	3000824	SCOP2B (2022-06-29)
T [auth J2]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8094669	3000824	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth A1]	PF00223	e6tclA12	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: PF00223	ECOD (1.6)
A [auth A1]	PF00223	e6tclA11	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)
KA [auth AA]	PF00223	e6tclAA1	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)
KA [auth AA]	PF00223	e6tclAA2	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 A2]	PF00223	e6tclA22	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 A2]	PF00223	e6tclA21	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	e6tclA1	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	e6tclA2	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 L1]	PF02605	e6tclL11	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)
IA [auth M]	PF07465	e6tclM1	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 M1]	PF07465	e6tclM11	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)
UA [auth MM]	PF07465	e6tclMM1	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)
W [auth M2]	PF07465	e6tclM21	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)
X [auth X2]	PF08078	e6tclX21	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: PF08078	ECOD (1.6)
JA [auth X]	PF08078	e6tclX1	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: PF08078	ECOD (1.6)
L [auth X1]	PF08078	e6tclX11	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: PF08078	ECOD (1.6)
VA [auth XX]	PF08078	e6tclXX1	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: PF08078	ECOD (1.6)
R [auth F2]	PF02507	e6tclF21	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)
S [auth I2]	PF00796	e6tclI21	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: PF00796	ECOD (1.6)
U [auth K2]	PF01241	e6tclK21	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)
V [auth L2]	PF02605	e6tclL21	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)
CA [auth E]	PF02427	e6tclE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
OA [auth EE]	PF02427	e6tclEE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
HA [auth L]	PF02605	e6tclL1	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)
TA [auth LL]	PF02605	e6tclLL1	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)
B [auth B1]	PF00223	e6tclB12	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: PF00223	ECOD (1.6)
B [auth B1]	PF00223	e6tclB11	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)
LA [auth BB]	PF00223	e6tclBB2	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)
LA [auth BB]	PF00223	e6tclBB1	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 B2]	PF00223	e6tclB22	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 B2]	PF00223	e6tclB21	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	e6tclB2	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	e6tclB1	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	e6tclC1	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 [auth C1]	PF00037	e6tclC11	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)
MA [auth CC]	PF00037	e6tclCC1	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 C2]	PF00037	e6tclC21	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)
BA [auth D]	PF02531	e6tclD1	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)
D [auth D1]	PF02531	e6tclD11	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)
NA [auth DD]	PF02531	e6tclDD1	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 D2]	PF02531	e6tclD21	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)
E [auth E1]	PF02427	e6tclE11	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
Q [auth E2]	PF02427	e6tclE21	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
F [auth F1]	PF02507	e6tclF11	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)
DA [auth F]	PF02507	e6tclF1	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)
PA [auth FF]	PF02507	e6tclFF1	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]	PF00796	e6tclI1	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: PF00796	ECOD (1.6)
G [auth I1]	PF00796	e6tclI11	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: PF00796	ECOD (1.6)
QA [auth II]	PF00796	e6tclII1	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: PF00796	ECOD (1.6)
FA [auth J]	PF01701	e6tclJ1	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 J1]	PF01701	e6tclJ11	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)
RA [auth JJ]	PF01701	e6tclJJ1	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 J2]	PF01701	e6tclJ21	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	e6tclK1	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 K1]	PF01241	e6tclK11	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)
SA [auth KK]	PF01241	e6tclKK1	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 [auth A1], KA [auth AA], M [auth A2], Y [auth A]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
J [auth L1]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
IA [auth M], K [auth M1], UA [auth MM], W [auth M2]	PF07465	Photosystem I protein M (PsaM) (PsaM)	Photosystem I protein M (PsaM)	-	Family
JA [auth X], L [auth X1], VA [auth XX], X [auth X2]	PF08078	PsaX family (PsaX)	PsaX family	-	Family
R [auth F2]	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
S [auth I2]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
U [auth K2]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
V [auth L2]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
CA [auth E], OA [auth EE]	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
HA [auth L], TA [auth LL]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
B [auth B1], LA [auth BB], N [auth B2], Z [auth B]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
AA [auth C], C [auth C1], MA [auth CC], O [auth C2]	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 D], D [auth D1], NA [auth DD], P [auth D2]	PF02531	PsaD (PsaD)	PsaD	-	Family
E [auth E1], 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
DA [auth F], F [auth F1], PA [auth FF]	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
EA [auth I], G [auth I1], QA [auth II]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
FA [auth J], H [auth J1], RA [auth JJ], T [auth J2]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family
GA [auth K], I [auth K1], SA [auth KK]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth A1], KA [auth AA], M [auth A2], 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
J [auth L1]	Photosystem I reaction center subunit XI	-	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 M1], UA [auth MM], W [auth M2]	Photosystem I reaction center subunit XII	-	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
JA [auth X], L [auth X1], VA [auth XX], X [auth X2]	Photosystem I 4.8 kDa protein	-	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
R [auth F2]	Photosystem I reaction center subunit III	-	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
S [auth I2]	Photosystem I reaction center subunit VIII	-	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
U [auth K2]	Photosystem I reaction center subunit PsaK 1	-	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
V [auth L2]	Photosystem I reaction center subunit XI	-	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], OA [auth EE]	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
HA [auth L], TA [auth LL]	Photosystem I reaction center subunit XI	-	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
B [auth B1], LA [auth BB], N [auth B2], Z [auth B]	Photosystem I P700 chlorophyll a apoprotein A2 1	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 [auth C1], MA [auth CC], O [auth C2]	Photosystem I iron-sulfur center	iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding metal ion binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy photosynthetic electron transport in photosystem I	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
BA [auth D], D [auth D1], NA [auth DD], P [auth D2]	Photosystem I reaction center subunit II	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
E [auth E1], Q [auth E2]	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 [auth F1], PA [auth FF]	Photosystem I reaction center subunit III	-	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 I1], QA [auth II]	Photosystem I reaction center subunit VIII	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
FA [auth J], H [auth J1], RA [auth JJ], T [auth J2]	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 K1], SA [auth KK]	Photosystem I reaction center subunit PsaK 1	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth A1], KA [auth AA], M [auth A2], Y [auth A]	IPR006243	Photosystem I PsaA	Family
A [auth A1], KA [auth AA], M [auth A2], Y [auth A]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A [auth A1], KA [auth AA], M [auth A2], Y [auth A]	IPR001280	Photosystem I PsaA/PsaB	Family
A [auth A1], KA [auth AA], M [auth A2], Y [auth A]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
J [auth L1]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
J [auth L1]	IPR022980	Photosystem I, reaction centre subunit XI	Family
J [auth L1]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
IA [auth M], K [auth M1], UA [auth MM], W [auth M2]	IPR010010	Photosystem I PsaM, reaction centre	Family
IA [auth M], K [auth M1], UA [auth MM], W [auth M2]	IPR037279	Photosystem I PsaM, reaction centre superfamily	Homologous Superfamily
JA [auth X], L [auth X1], VA [auth XX], X [auth X2]	IPR036243	Photosystem I PsaX superfamily	Homologous Superfamily
JA [auth X], L [auth X1], VA [auth XX], X [auth X2]	IPR012986	Photosystem I PsaX	Family
R [auth F2]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
R [auth F2]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
S [auth I2]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
S [auth I2]	IPR001302	Photosystem I reaction centre subunit VIII	Family
U [auth K2]	IPR037101	Photosystem I reaction centre subunit PsaK	Homologous Superfamily
U [auth K2]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
U [auth K2]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
U [auth K2]	IPR017492	Photosystem I reaction center subunit PsaK	Family
V [auth L2]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
V [auth L2]	IPR022980	Photosystem I, reaction centre subunit XI	Family
V [auth L2]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
CA [auth E], OA [auth EE]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
CA [auth E], OA [auth EE]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
HA [auth L], TA [auth LL]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
HA [auth L], TA [auth LL]	IPR022980	Photosystem I, reaction centre subunit XI	Family
HA [auth L], TA [auth LL]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
B [auth B1], LA [auth BB], N [auth B2], Z [auth B]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B [auth B1], LA [auth BB], N [auth B2], Z [auth B]	IPR001280	Photosystem I PsaA/PsaB	Family
B [auth B1], LA [auth BB], N [auth B2], Z [auth B]	IPR006244	Photosystem I PsaB	Family
B [auth B1], LA [auth BB], N [auth B2], Z [auth B]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
AA [auth C], C [auth C1], MA [auth CC], O [auth C2]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
AA [auth C], C [auth C1], MA [auth CC], O [auth C2]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
AA [auth C], C [auth C1], MA [auth CC], O [auth C2]	IPR017491	Photosystem I protein PsaC	Family
BA [auth D], D [auth D1], NA [auth DD], P [auth D2]	IPR003685	Photosystem I PsaD	Family
BA [auth D], D [auth D1], NA [auth DD], P [auth D2]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
E [auth E1], Q [auth E2]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
E [auth E1], Q [auth E2]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
DA [auth F], F [auth F1], PA [auth FF]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
DA [auth F], F [auth F1], PA [auth FF]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
EA [auth I], G [auth I1], QA [auth II]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
EA [auth I], G [auth I1], QA [auth II]	IPR001302	Photosystem I reaction centre subunit VIII	Family
FA [auth J], H [auth J1], RA [auth JJ], T [auth J2]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
FA [auth J], H [auth J1], RA [auth JJ], T [auth J2]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
GA [auth K], I [auth K1], SA [auth KK]	IPR037101	Photosystem I reaction centre subunit PsaK	Homologous Superfamily
GA [auth K], I [auth K1], SA [auth KK]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
GA [auth K], I [auth K1], SA [auth KK]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
GA [auth K], I [auth K1], SA [auth KK]	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 C], B [auth B1], BA [auth D], C [auth C1] A [auth A1], AA [auth C], B [auth B1], BA [auth D], C [auth C1], CA [auth E], D [auth D1], DA [auth F], E [auth E1], EA [auth I], F [auth F1], FA [auth J], G [auth I1], GA [auth K], H [auth J1], HA [auth L], I [auth K1], IA [auth M], J [auth L1], JA [auth X], K [auth M1], KA [auth AA], L [auth X1], LA [auth BB], M [auth A2], MA [auth CC], N [auth B2], NA [auth DD], O [auth C2], OA [auth EE], P [auth D2], PA [auth FF], Q [auth E2], QA [auth II], R [auth F2], RA [auth JJ], S [auth I2], SA [auth KK], T [auth J2], TA [auth LL], U [auth K2], UA [auth MM], V [auth L2], VA [auth XX], W [auth M2], X [auth X2], Y [auth A], Z [auth B]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I