Annotations: 7DR1

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)
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)
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)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00223	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: PF00223	ECOD (1.6)
A	PF00223	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: PF00223	ECOD (1.6)
B	PF00223	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: PF00223	ECOD (1.6)
B	PF00223	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: PF00223	ECOD (1.6)
C	PF00037	e7dr1C1	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)
D	PF02531	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: PF02531	ECOD (1.6)
E	PF02427	e7dr1E1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: PF02427	ECOD (1.6)
F	PF02507	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: PF02507	ECOD (1.6)
G [auth I]	PF00796	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: PF00796	ECOD (1.6)
H [auth J]	PF01701	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: PF01701	ECOD (1.6)
I [auth L]	PF02605	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: PF02605	ECOD (1.6)
J [auth M]	PF07465	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: PF07465	ECOD (1.6)

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
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
F	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
G [auth I]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
H [auth J]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family
J [auth M]	PF07465	Photosystem I protein M (PsaM) (PsaM)	Photosystem I protein M (PsaM)	-	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 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	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded 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 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	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
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 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	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded 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 cellular metabolic process metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded 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 cellular metabolic process metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded 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 cellular metabolic process metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded 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 cellular metabolic process metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded 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 cellular metabolic process metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded 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	-	-	-
J [auth M]	Photosystem I reaction center subunit XII	-	photosynthesis cellular metabolic process metabolic process cellular process	membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity membrane-bounded organelle plastid membrane intracellular anatomical structure plastid cyanelle plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope plastid envelope thylakoid non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane cyanelle thylakoid organelle intracellular non-membrane-bounded organelle cyanelle thylakoid membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
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	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
J [auth M]	IPR010010	Photosystem I PsaM, reaction centre	Family
J [auth M]	IPR037279	Photosystem I PsaM, reaction centre superfamily	Homologous Superfamily