Annotations: 7DR0

Structure of Wild-type PSI monomer1 from Cyanophora paradoxa

External Resource: Annotation

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8106555	3000850	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8106559	3000813	SCOP2B (2022-06-29)
H [auth J]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8106563	3000824	SCOP2B (2022-06-29)
K [auth M]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8106565	3000829	SCOP2B (2022-06-29)
G [auth I]	SCOP2 Family	Subunit VIII of photosystem I reaction centre, PsaI	8106560	4002098	SCOP2 (2022-06-29)
G [auth I]	SCOP2 Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8106561	3000819	SCOP2 (2022-06-29)
E	SCOP2 Family	Photosystem I accessory protein E (PsaE)	8106556	4001749	SCOP2 (2022-06-29)
E	SCOP2 Superfamily	Electron transport accessory proteins	8106557	3000325	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	Photosystem I subunit PsaD	8106639	3000951	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	4Fe-4S ferredoxins	8106553	3000020	SCOP2B (2022-06-29)
A	SCOP2 Family	Photosystem I subunits PsaA/PsaB	8106470	4002118	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Photosystem I subunits PsaA/PsaB	8106471	3000850	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Ribosomal_L36	e7dr0B1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
F	Ribosomal_L36	e7dr0F1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
H [auth J]	Ribosomal_L36	e7dr0J1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
I [auth K]	LysR_substrate	e7dr0K1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: LysR_substrate	ECOD (v295.2)
K [auth M]	Ribosomal_L36	e7dr0M1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
G [auth I]	Ribosomal_L36	e7dr0I1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
E	Ribosomal_L36	e7dr0E1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
D	Ribosomal_L36	e7dr0D1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
C	Ribosomal_L36	e7dr0C1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
J [auth L]	Ribosomal_L36	e7dr0L1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)
A	Ribosomal_L36	e7dr0A1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: Ribosomal_L36	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
J [auth L]	1.20.1240.10	Mainly Alpha	Up-down Bundle	Photosystem 1 Reaction Centre Subunit Xi	Chain: L	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	Photosystem I P700 chlorophyll a apoprotein A2	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding electron transfer activity	photosynthesis metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane chloroplast thylakoid membrane organelle outer membrane bounding membrane of organelle chloroplast chloroplast thylakoid outer membrane protein-containing complex photosystem photosystem I membrane protein complex
F	Photosystem I reaction center subunit III	-	photosynthesis metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
H [auth J]	Photosystem I reaction center subunit IX	-	photosynthesis metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
I [auth K]	Photosystem I reaction center subunit PsaK 1	-	-	-
K [auth M]	Photosystem I reaction center subunit XII	-	photosynthesis metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane
G [auth I]	Photosystem I reaction center subunit VIII	-	photosynthesis metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
E	Photosystem I reaction center subunit IV	-	photosynthesis metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
D	Photosystem I reaction center subunit II, cyanelle	-	photosynthesis metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
C	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	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy photosynthetic electron transport in photosystem I	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
J [auth L]	Photosystem I reaction center subunit XI	-	-	-
A	Photosystem I P700 chlorophyll a apoprotein A1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding electron transfer activity	photosynthesis metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure membraneless organelle plastid envelope thylakoid membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane chloroplast thylakoid membrane organelle outer membrane bounding membrane of organelle chloroplast chloroplast thylakoid outer membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B	IPR001280	Photosystem I PsaA/PsaB	Family
B	IPR006244	Photosystem I PsaB	Family
B	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
F	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
F	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
H [auth J]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
H [auth J]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
K [auth M]	IPR010010	Photosystem I PsaM, reaction centre	Family
K [auth M]	IPR037279	Photosystem I PsaM, reaction centre superfamily	Homologous Superfamily
G [auth I]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
G [auth I]	IPR001302	Photosystem I reaction centre subunit VIII	Family
E	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
E	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
D	IPR003685	Photosystem I PsaD	Family
D	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
C	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C	IPR050157	Photosystem I iron-sulfur center	Family
C	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C	IPR017491	Photosystem I protein PsaC	Family
A	IPR006243	Photosystem I PsaA	Family
A	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A	IPR001280	Photosystem I PsaA/PsaB	Family
A	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site