6KIG

Structure of cyanobacterial photosystem I-IsiA supercomplex

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8093906	3000850	SCOP2B (2022-06-29)
IA [auth e]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8093906	3000850	SCOP2B (2022-06-29)
R [auth G]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8093906	3000850	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094465	3000850	SCOP2B (2022-06-29)
JA [auth f]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094465	3000850	SCOP2B (2022-06-29)
S [auth H]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8094465	3000850	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	4Fe-4S ferredoxins	8093730	3000020	SCOP2B (2022-06-29)
KA [auth g]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093730	3000020	SCOP2B (2022-06-29)
T [auth N]	SCOP2B Superfamily	4Fe-4S ferredoxins	8093730	3000020	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Electron transport accessory proteins	8094633	3000325	SCOP2B (2022-06-29)
MA [auth i]	SCOP2B Superfamily	Electron transport accessory proteins	8094633	3000325	SCOP2B (2022-06-29)
V [auth Q]	SCOP2B Superfamily	Electron transport accessory proteins	8094633	3000325	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8094064	3000813	SCOP2B (2022-06-29)
NA [auth j]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8094064	3000813	SCOP2B (2022-06-29)
W [auth R]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre PsaF	8094064	3000813	SCOP2B (2022-06-29)
G [auth I]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre PsaI	8094120	3000819	SCOP2B (2022-06-29)
OA [auth k]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre PsaI	8094120	3000819	SCOP2B (2022-06-29)
X [auth S]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre PsaI	8094120	3000819	SCOP2B (2022-06-29)
H [auth J]	SCOP2 Family	Subunit IX of photosystem I reaction centre PsaJ	8094007	4002101	SCOP2 (2022-06-29)
H [auth J]	SCOP2 Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8094008	3000824	SCOP2 (2022-06-29)
PA [auth l]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8094008	3000824	SCOP2B (2022-06-29)
Y [auth T]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre PsaJ	8094008	3000824	SCOP2B (2022-06-29)
AA [auth V]	SCOP2 Family	Photosystem I reaction center subunit XI PsaL	8098977	4002135	SCOP2 (2022-06-29)
AA [auth V]	SCOP2 Superfamily	Photosystem I reaction center subunit XI PsaL	8098978	3000870	SCOP2 (2022-06-29)
J [auth L]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8098978	3000870	SCOP2B (2022-06-29)
RA [auth n]	SCOP2B Superfamily	Photosystem I reaction center subunit XI PsaL	8098978	3000870	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Photosystem I subunit PsaD	8094743	3000951	SCOP2B (2022-06-29)
LA [auth h]	SCOP2B Superfamily	Photosystem I subunit PsaD	8094743	3000951	SCOP2B (2022-06-29)
U [auth O]	SCOP2B Superfamily	Photosystem I subunit PsaD	8094743	3000951	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	PF00223	e6kigA1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: PF00223	ECOD (1.6)
A	PF00223	e6kigA2	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)
IA [auth e]	PF00223	e6kige1	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)
IA [auth e]	PF00223	e6kige2	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)
R [auth G]	PF00223	e6kigG1	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)
R [auth G]	PF00223	e6kigG2	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)
B	PF00223	e6kigB2	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: PF00223	ECOD (1.6)
B	PF00223	e6kigB1	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)
JA [auth f]	PF00223	e6kigf2	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)
JA [auth f]	PF00223	e6kigf1	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)
S [auth H]	PF00223	e6kigH1	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)
S [auth H]	PF00223	e6kigH2	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)
C	PF00037	e6kigC1	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)
KA [auth g]	PF00037	e6kigg1	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)
T [auth N]	PF00037	e6kigN1	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)
E	PF02427	e6kigE1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
MA [auth i]	PF02427	e6kigi1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
V [auth Q]	PF02427	e6kigQ1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
F	PF02507	e6kigF1	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)
NA [auth j]	PF02507	e6kigj1	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)
W [auth R]	PF02507	e6kigR1	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)
G [auth I]	PF00796	e6kigI1	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)
OA [auth k]	PF00796	e6kigk1	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)
X [auth S]	PF00796	e6kigS1	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)
H [auth J]	PF01701	e6kigJ1	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)
PA [auth l]	PF01701	e6kigl1	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)
Y [auth T]	PF01701	e6kigT1	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)
I [auth K]	PF01241	e6kigK1	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)
QA [auth m]	PF01241	e6kigm1	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)
Z [auth U]	PF01241	e6kigU1	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)
AA [auth V]	PF02605	e6kigV1	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)
J [auth L]	PF02605	e6kigL1	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)
RA [auth n]	PF02605	e6kign1	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)
BA [auth W]	PF07465	e6kigW1	A: extended segments	X: Subunit XII of photosystem I reaction centre, PsaM (From Topology)	H: Subunit XII of photosystem I reaction centre, PsaM (From Topology)	T: Subunit XII of photosystem I reaction centre, PsaM	F: PF07465	ECOD (1.6)
K [auth M]	PF07465	e6kigM1	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)
SA [auth o]	PF07465	e6kigo1	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)
CA [auth Y]	PF00421	e6kigY1	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: PF00421	ECOD (1.6)
DA [auth Z]	PF00421	e6kigZ1	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: PF00421	ECOD (1.6)
EA [auth a]	PF00421	e6kiga1	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: PF00421	ECOD (1.6)
FA [auth b]	PF00421	e6kigb1	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: PF00421	ECOD (1.6)
GA [auth c]	PF00421	e6kigc1	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: PF00421	ECOD (1.6)
HA [auth d]	PF00421	e6kigd1	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: PF00421	ECOD (1.6)
L [auth 1]	PF00421	e6kig11	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: PF00421	ECOD (1.6)
M [auth 2]	PF00421	e6kig21	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: PF00421	ECOD (1.6)
N [auth 3]	PF00421	e6kig31	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: PF00421	ECOD (1.6)
O [auth 4]	PF00421	e6kig41	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: PF00421	ECOD (1.6)
P [auth 5]	PF00421	e6kig51	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: PF00421	ECOD (1.6)
Q [auth 6]	PF00421	e6kig61	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: PF00421	ECOD (1.6)
TA [auth q]	PF00421	e6kigq1	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: PF00421	ECOD (1.6)
UA [auth r]	PF00421	e6kigr1	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: PF00421	ECOD (1.6)
VA [auth s]	PF00421	e6kigs1	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: PF00421	ECOD (1.6)
WA [auth t]	PF00421	e6kigt1	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: PF00421	ECOD (1.6)
XA [auth u]	PF00421	e6kigu1	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: PF00421	ECOD (1.6)
YA [auth v]	PF00421	e6kigv1	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: PF00421	ECOD (1.6)
D	PF02531	e6kigD1	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)
LA [auth h]	PF02531	e6kigh1	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)
U [auth O]	PF02531	e6kigO1	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, IA [auth e], R [auth G]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
B, JA [auth f], S [auth H]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
C, KA [auth g], T [auth N]	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
E, MA [auth i], V [auth Q]	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
F, NA [auth j], W [auth R]	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
G [auth I], OA [auth k], X [auth S]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
H [auth J], PA [auth l], Y [auth T]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family
I [auth K], QA [auth m], Z [auth U]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
AA [auth V], J [auth L], RA [auth n]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
CA [auth Y], DA [auth Z], EA [auth a], FA [auth b], GA [auth c], CA [auth Y], DA [auth Z], EA [auth a], FA [auth b], GA [auth c], HA [auth d], L [auth 1], M [auth 2], N [auth 3], O [auth 4], P [auth 5], Q [auth 6], TA [auth q], UA [auth r], VA [auth s], WA [auth t], XA [auth u], YA [auth v]	PF00421	Photosystem II protein (PSII)	Photosystem II protein	-	Family
D, LA [auth h], U [auth O]	PF02531	PsaD (PsaD)	PsaD	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, IA [auth e], R [auth G]	Photosystem I P700 chlorophyll a apoprotein A1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding organic cyclic compound binding tetrapyrrole binding electron transfer activity	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
B, JA [auth f], S [auth H]	Photosystem I P700 chlorophyll a apoprotein A2	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding organic cyclic compound binding tetrapyrrole binding electron transfer activity	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
C, KA [auth g], T [auth N]	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
E, MA [auth i], V [auth Q]	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
F, NA [auth j], W [auth R]	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
G [auth I], OA [auth k], X [auth S]	Photosystem I PsaI 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
H [auth J], PA [auth l], Y [auth T]	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
I [auth K], QA [auth m], Z [auth U]	Photosystem I reaction center subunit PsaK	-	photosynthesis cellular metabolic process metabolic process cellular process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
AA [auth V], J [auth L], RA [auth n]	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
BA [auth W], K [auth M], SA [auth o]	PsaM	-	-	-
CA [auth Y], DA [auth Z], EA [auth a], FA [auth b], GA [auth c], CA [auth Y], DA [auth Z], EA [auth a], FA [auth b], GA [auth c], HA [auth d], L [auth 1], M [auth 2], N [auth 3], O [auth 4], P [auth 5], Q [auth 6], TA [auth q], UA [auth r], VA [auth s], WA [auth t], XA [auth u], YA [auth v]	Iron stress-induced chlorophyll-binding protein	chlorophyll binding binding organic cyclic compound binding tetrapyrrole 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	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane plasma membrane-derived chromatophore cellular anatomical entity thylakoid membrane intracellular organelle cell periphery plasma membrane-derived thylakoid membrane organelle intracellular non-membrane-bounded organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem photosystem I membrane protein complex
D, LA [auth h], U [auth O]	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, IA [auth e], R [auth G]	IPR006243	Photosystem I PsaA	Family
A, IA [auth e], R [auth G]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A, IA [auth e], R [auth G]	IPR001280	Photosystem I PsaA/PsaB	Family
A, IA [auth e], R [auth G]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
B, JA [auth f], S [auth H]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B, JA [auth f], S [auth H]	IPR001280	Photosystem I PsaA/PsaB	Family
B, JA [auth f], S [auth H]	IPR006244	Photosystem I PsaB	Family
B, JA [auth f], S [auth H]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
C, KA [auth g], T [auth N]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C, KA [auth g], T [auth N]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C, KA [auth g], T [auth N]	IPR017491	Photosystem I protein PsaC	Family
E, MA [auth i], V [auth Q]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
E, MA [auth i], V [auth Q]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
F, NA [auth j], W [auth R]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
F, NA [auth j], W [auth R]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
G [auth I], OA [auth k], X [auth S]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
G [auth I], OA [auth k], X [auth S]	IPR001302	Photosystem I reaction centre subunit VIII	Family
H [auth J], PA [auth l], Y [auth T]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
H [auth J], PA [auth l], Y [auth T]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
I [auth K], QA [auth m], Z [auth U]	IPR037101	Photosystem I reaction centre subunit PsaK	Homologous Superfamily
I [auth K], QA [auth m], Z [auth U]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
I [auth K], QA [auth m], Z [auth U]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
I [auth K], QA [auth m], Z [auth U]	IPR017492	Photosystem I reaction center subunit PsaK	Family
AA [auth V], J [auth L], RA [auth n]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
AA [auth V], J [auth L], RA [auth n]	IPR022980	Photosystem I, reaction centre subunit XI	Family
AA [auth V], J [auth L], RA [auth n]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
CA [auth Y], DA [auth Z], EA [auth a], FA [auth b], GA [auth c], CA [auth Y], DA [auth Z], EA [auth a], FA [auth b], GA [auth c], HA [auth d], L [auth 1], M [auth 2], N [auth 3], O [auth 4], P [auth 5], Q [auth 6], TA [auth q], UA [auth r], VA [auth s], WA [auth t], XA [auth u], YA [auth v]	IPR036001	Photosystem antenna protein-like superfamily	Homologous Superfamily
CA [auth Y], DA [auth Z], EA [auth a], FA [auth b], GA [auth c], CA [auth Y], DA [auth Z], EA [auth a], FA [auth b], GA [auth c], HA [auth d], L [auth 1], M [auth 2], N [auth 3], O [auth 4], P [auth 5], Q [auth 6], TA [auth q], UA [auth r], VA [auth s], WA [auth t], XA [auth u], YA [auth v]	IPR000932	Photosystem antenna protein-like	Family
D, LA [auth h], U [auth O]	IPR003685	Photosystem I PsaD	Family
D, LA [auth h], U [auth O]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, AA [auth V], B, C, CA [auth Y] A, AA [auth V], B, C, CA [auth Y], DA [auth Z], E, EA [auth a], F, FA [auth b], G [auth I], GA [auth c], H [auth J], HA [auth d], I [auth K], IA [auth e], J [auth L], JA [auth f], KA [auth g], L [auth 1], M [auth 2], MA [auth i], N [auth 3], NA [auth j], O [auth 4], OA [auth k], P [auth 5], PA [auth l], Q [auth 6], QA [auth m], R [auth G], RA [auth n], S [auth H], T [auth N], TA [auth q], UA [auth r], V [auth Q], VA [auth s], W [auth R], WA [auth t], X [auth S], XA [auth u], Y [auth T], YA [auth v], Z [auth U]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, AA [auth V], B, C, CA [auth Y] A, AA [auth V], B, C, CA [auth Y], DA [auth Z], E, EA [auth a], F, FA [auth b], G [auth I], GA [auth c], H [auth J], HA [auth d], I [auth K], IA [auth e], J [auth L], JA [auth f], KA [auth g], L [auth 1], M [auth 2], MA [auth i], N [auth 3], NA [auth j], O [auth 4], OA [auth k], P [auth 5], PA [auth l], Q [auth 6], QA [auth m], R [auth G], RA [auth n], S [auth H], T [auth N], TA [auth q], UA [auth r], V [auth Q], VA [auth s], W [auth R], WA [auth t], X [auth S], XA [auth u], Y [auth T], YA [auth v], Z [auth U]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Photosystem+Light-Harvesting Complex Supercomplex	Photosystem I-IsiA-flavodoxin supercomplex

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6KIG

Structure of cyanobacterial photosystem I-IsiA supercomplex

External Resource: Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage

Membrane Protein Annotation: OPM OPM Database Homepage

Membrane Protein Annotation: mpstruc mpstruc Database Homepage