Annotations: 7QCO

The structure of Photosystem I tetramer from Chroococcidiopsis TS-821, a thermophilic, unicellular, non-heterocyst-forming cyanobacterium

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
W [auth e]	SCOP2 Family	Photosystem I subunits PsaA/PsaB	8093883	4002118	SCOP2 (2022-06-29)
W [auth e]	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8093884	3000850	SCOP2 (2022-06-29)
IA [auth b]	SCOP2 Family	Photosystem I subunits PsaA/PsaB	8093869	4002118	SCOP2 (2022-06-29)
IA [auth b]	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8093870	3000850	SCOP2 (2022-06-29)
D	SCOP2 Family	Photosystem I subunit PsaD	8094886	4003498	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Photosystem I subunit PsaD	8094887	3000951	SCOP2 (2022-06-29)
AA [auth v]	SCOP2 Family	Photosystem I accessory protein E (PsaE)	8093895	4001749	SCOP2 (2022-06-29)
AA [auth v]	SCOP2 Superfamily	Electron transport accessory proteins	8093896	3000325	SCOP2 (2022-06-29)
MA [auth f]	SCOP2 Family	Subunit III of photosystem I reaction centre, PsaF	8094692	4002091	SCOP2 (2022-06-29)
MA [auth f]	SCOP2 Superfamily	Subunit III of photosystem I reaction centre, PsaF	8094693	3000813	SCOP2 (2022-06-29)
G [auth I]	SCOP2 Family	Subunit VIII of photosystem I reaction centre, PsaI	8095716	4002098	SCOP2 (2022-06-29)
G [auth I]	SCOP2 Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8095717	3000819	SCOP2 (2022-06-29)
EA [auth r]	SCOP2 Family	Photosystem I reaction center subunit X, PsaK	8096695	4002128	SCOP2 (2022-06-29)
EA [auth r]	SCOP2 Superfamily	Photosystem I reaction center subunit X, PsaK	8096696	3000859	SCOP2 (2022-06-29)
K [auth M]	SCOP2 Family	Subunit XII of photosystem I reaction centre, PsaM	8093969	4002104	SCOP2 (2022-06-29)
K [auth M]	SCOP2 Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8093970	3000829	SCOP2 (2022-06-29)
OA [auth j]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8095281	3000824	SCOP2B (2022-06-29)
S [auth Q]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8095281	3000824	SCOP2B (2022-06-29)
H [auth J]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8095281	3000824	SCOP2B (2022-06-29)
DA [auth q]	SCOP2 Family	Subunit IX of photosystem I reaction centre, PsaJ	8095280	4002101	SCOP2 (2022-06-29)
DA [auth q]	SCOP2 Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8095281	3000824	SCOP2 (2022-06-29)
JA [auth c]	SCOP2 Family	7-Fe ferredoxin	8093799	4001227	SCOP2 (2022-06-29)
JA [auth c]	SCOP2 Superfamily	4Fe-4S ferredoxins	8093800	3000020	SCOP2 (2022-06-29)
J [auth L]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8095541	3000870	SCOP2B (2022-06-29)
QA [auth l]	SCOP2 Family	Photosystem I reaction center subunit XI, PsaL	8095540	4002135	SCOP2 (2022-06-29)
QA [auth l]	SCOP2 Superfamily	Photosystem I reaction center subunit XI, PsaL	8095541	3000870	SCOP2 (2022-06-29)
U [auth S]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8095541	3000870	SCOP2B (2022-06-29)
FA [auth s]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8095541	3000870	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	VEGFR-1-like_Ig-like	e7qcoA1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
W [auth e]	VEGFR-1-like_Ig-like	e7qcoe1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
L [auth E]	VEGFR-1-like_Ig-like	e7qcoE1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
HA [auth a]	VEGFR-1-like_Ig-like	e7qcoa1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
B	VEGFR-1-like_Ig-like	e7qcoB1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
X [auth g]	VEGFR-1-like_Ig-like	e7qcog1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
M [auth G]	VEGFR-1-like_Ig-like	e7qcoG1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
IA [auth b]	VEGFR-1-like_Ig-like	e7qcob1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
Z [auth n]	VEGFR-1-like_Ig-like	e7qcon1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
O [auth N]	VEGFR-1-like_Ig-like	e7qcoN1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
KA [auth d]	VEGFR-1-like_Ig-like	e7qcod1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
D	VEGFR-1-like_Ig-like	e7qcoD1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
AA [auth v]	VEGFR-1-like_Ig-like	e7qcov1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
P [auth W]	VEGFR-1-like_Ig-like	e7qcoW1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
LA [auth w]	VEGFR-1-like_Ig-like	e7qcow1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
E [auth V]	VEGFR-1-like_Ig-like	e7qcoV1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
BA [auth o]	VEGFR-1-like_Ig-like	e7qcoo1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
F	VEGFR-1-like_Ig-like	e7qcoF1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
MA [auth f]	VEGFR-1-like_Ig-like	e7qcof1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
Q [auth O]	VEGFR-1-like_Ig-like	e7qcoO1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
CA [auth p]	VEGFR-1-like_Ig-like	e7qcop1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
NA [auth i]	VEGFR-1-like_Ig-like	e7qcoi1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
R [auth P]	VEGFR-1-like_Ig-like	e7qcoP1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
G [auth I]	VEGFR-1-like_Ig-like	e7qcoI1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
EA [auth r]	VEGFR-1-like_Ig-like	e7qcor1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
T [auth R]	VEGFR-1-like_Ig-like	e7qcoR1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
PA [auth k]	VEGFR-1-like_Ig-like	e7qcok1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
I [auth K]	VEGFR-1-like_Ig-like	e7qcoK1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
V [auth T]	VEGFR-1-like_Ig-like	e7qcoT1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
RA [auth m]	VEGFR-1-like_Ig-like	e7qcom1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
K [auth M]	VEGFR-1-like_Ig-like	e7qcoM1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
GA [auth t]	VEGFR-1-like_Ig-like	e7qcot1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
OA [auth j]	VEGFR-1-like_Ig-like	e7qcoj1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
S [auth Q]	VEGFR-1-like_Ig-like	e7qcoQ1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
H [auth J]	VEGFR-1-like_Ig-like	e7qcoJ1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
DA [auth q]	VEGFR-1-like_Ig-like	e7qcoq1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
Y [auth h]	VEGFR-1-like_Ig-like	e7qcoh1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
N [auth H]	VEGFR-1-like_Ig-like	e7qcoH1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
JA [auth c]	VEGFR-1-like_Ig-like	e7qcoc1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
C	VEGFR-1-like_Ig-like	e7qcoC1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
J [auth L]	VEGFR-1-like_Ig-like	e7qcoL1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
QA [auth l]	VEGFR-1-like_Ig-like	e7qcol1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
U [auth S]	VEGFR-1-like_Ig-like	e7qcoS1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)
FA [auth s]	VEGFR-1-like_Ig-like	e7qcos1	A: alpha arrays	X: Nuclear receptor ligand-binding domain	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: VEGFR-1-like_Ig-like	ECOD (v295)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, HA [auth a], L [auth E], W [auth e]	Photosystem I P700 chlorophyll a apoprotein A1	-	-	-
B, IA [auth b], M [auth G], X [auth g]	Photosystem I P700 chlorophyll a apoprotein A2	-	-	-
D, KA [auth d], O [auth N], Z [auth n]	Photosystem I reaction center subunit II	-	-	-
AA [auth v], E [auth V], LA [auth w], P [auth W]	Photosystem I reaction center subunit IV	-	-	-
BA [auth o], F, MA [auth f], Q [auth O]	Photosystem I reaction center subunit III	-	-	-
CA [auth p], G [auth I], NA [auth i], R [auth P]	Photosystem I reaction center subunit VIII	-	-	-
EA [auth r], I [auth K], PA [auth k], T [auth R]	Photosystem I reaction center subunit PsaK	-	-	-
GA [auth t], K [auth M], RA [auth m], V [auth T]	Photosystem I reaction center subunit XII	-	-	-
DA [auth q], H [auth J], OA [auth j], S [auth Q]	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
C, JA [auth c], N [auth H], Y [auth h]	Photosystem I iron-sulfur center	-	-	-
FA [auth s], J [auth L], QA [auth l], U [auth S]	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
DA [auth q], H [auth J], OA [auth j], S [auth Q]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
DA [auth q], H [auth J], OA [auth j], S [auth Q]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
FA [auth s], J [auth L], QA [auth l], U [auth S]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
FA [auth s], J [auth L], QA [auth l], U [auth S]	IPR022980	Photosystem I, reaction centre subunit XI	Family
FA [auth s], J [auth L], QA [auth l], U [auth S]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
DA [auth q], FA [auth s], H [auth J], J [auth L], OA [auth j] DA [auth q], FA [auth s], H [auth J], J [auth L], OA [auth j], QA [auth l], S [auth Q], U [auth S]	PDBTM	Annotated as membrane protein by PDBTM