Annotations: 7DR1

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
J [auth M]	SCOP2 Family	Subunit XII of photosystem I reaction centre, PsaM	8106564	4002104	SCOP2 (2022-06-29)
J [auth M]	SCOP2 Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8106565	3000829	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8106555	3000850	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	4Fe-4S ferredoxins	8106553	3000020	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Photosystem I subunit PsaD	8106639	3000951	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Electron transport accessory proteins	8106557	3000325	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8106559	3000813	SCOP2B (2022-06-29)
G [auth I]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8106561	3000819	SCOP2B (2022-06-29)
H [auth J]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8106563	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	PsaA_PsaB_C	e7dr1A1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: PsaA_PsaB_C	ECOD (1.6)
A	PsaA_PsaB_N	e7dr1A2	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: PsaA_PsaB_N	ECOD (1.6)
J [auth M]	PsaM	e7dr1M1	A: extended segments	X: Subunit XII of photosystem I reaction centre, PsaM (From Topology)	H: Subunit XII of photosystem I reaction centre, PsaM (From Topology)	T: Subunit XII of photosystem I reaction centre, PsaM	F: PsaM	ECOD (1.6)
B	PsaA_PsaB_C	e7dr1B1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: PsaA_PsaB_C	ECOD (1.6)
B	PsaA_PsaB_N	e7dr1B2	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: PsaA_PsaB_N	ECOD (1.6)
C	Fer4_21_1	e7dr1C1	A: a+b two layers	X: 4Fe-4S ferredoxin (From Topology)	H: 4Fe-4S ferredoxin (From Topology)	T: 4Fe-4S ferredoxin	F: Fer4_21_1	ECOD (1.6)
D	PsaD	e7dr1D1	A: a+b two layers	X: Photosystem I subunit PsaD (From Topology)	H: Photosystem I subunit PsaD (From Topology)	T: Photosystem I subunit PsaD	F: PsaD	ECOD (1.6)
E	PSI_PsaE	e7dr1E1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PSI_PsaE	ECOD (1.6)
F	PSI_PsaF	e7dr1F1	A: extended segments	X: Subunit III of photosystem I reaction centre, PsaF (From Topology)	H: Subunit III of photosystem I reaction centre, PsaF (From Topology)	T: Subunit III of photosystem I reaction centre, PsaF	F: PSI_PsaF	ECOD (1.6)
G [auth I]	PSI_8	e7dr1I1	A: extended segments	X: Subunit VIII of photosystem I reaction centre, PsaI (From Topology)	H: Subunit VIII of photosystem I reaction centre, PsaI (From Topology)	T: Subunit VIII of photosystem I reaction centre, PsaI	F: PSI_8	ECOD (1.6)
H [auth J]	PSI_PsaJ	e7dr1J1	A: extended segments	X: Subunit IX of photosystem I reaction centre, PsaJ (From Topology)	H: Subunit IX of photosystem I reaction centre, PsaJ (From Topology)	T: Subunit IX of photosystem I reaction centre, PsaJ	F: PSI_PsaJ	ECOD (1.6)
I [auth L]	PsaL	e7dr1L1	A: alpha bundles	X: Photosystem I reaction center subunit XI, PsaL (From Topology)	H: Photosystem I reaction center subunit XI, PsaL (From Topology)	T: Photosystem I reaction center subunit XI, PsaL	F: PsaL	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
J [auth M]	PF07465	Photosystem I protein M (PsaM) (PsaM)	Photosystem I protein M (PsaM)	-	Family
B	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
C	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
D	PF02531	PsaD (PsaD)	PsaD	-	Family
E	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
G [auth I]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Photosystem I P700 chlorophyll a apoprotein A1	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity chlorophyll binding tetrapyrrole binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster 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
J [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 protein-containing complex photosystem photosystem I membrane protein complex
B	Photosystem I P700 chlorophyll a apoprotein A2	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity chlorophyll binding tetrapyrrole binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster 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
C	Photosystem I iron-sulfur center	oxidoreductase activity catalytic activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding metal ion binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain metabolic process cellular process generation of precursor metabolites and energy photosynthetic electron transport in photosystem I	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
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
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
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
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
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 L]	Photosystem I reaction center subunit XI	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A	IPR001280	Photosystem I PsaA/PsaB	Family
A	IPR006243	Photosystem I PsaA	Family
A	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
J [auth M]	IPR010010	Photosystem I PsaM, reaction centre	Family
J [auth M]	IPR037279	Photosystem I PsaM, reaction centre superfamily	Homologous Superfamily
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
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
D	IPR003685	Photosystem I PsaD	Family
D	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
E	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
E	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
F	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
F	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
G [auth I]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
G [auth I]	IPR001302	Photosystem I reaction centre subunit VIII	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