9AU4 | pdb_00009au4

Cryo-EM structure of a photosystem I variant containing an unusual plastoquinone derivative in its electron transfer chain

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: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
S [auth j]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8074512	3000824	SCOP2B (2022-06-29)
H [auth S]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8074512	3000824	SCOP2B (2022-06-29)
DA [auth J]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8074512	3000824	SCOP2B (2022-06-29)
R [auth i]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8074504	3000819	SCOP2B (2022-06-29)
G [auth R]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8074504	3000819	SCOP2B (2022-06-29)
CA [auth I]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8074504	3000819	SCOP2B (2022-06-29)
Q [auth f]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8074438	3000813	SCOP2B (2022-06-29)
F [auth Q]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8074438	3000813	SCOP2B (2022-06-29)
BA [auth F]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8074438	3000813	SCOP2B (2022-06-29)
P [auth e]	SCOP2B Superfamily	Electron transport accessory proteins	8044474	3000325	SCOP2B (2022-06-29)
E [auth P]	SCOP2B Superfamily	Electron transport accessory proteins	8044474	3000325	SCOP2B (2022-06-29)
AA [auth E]	SCOP2B Superfamily	Electron transport accessory proteins	8044474	3000325	SCOP2B (2022-06-29)
Z [auth D]	SCOP2B Superfamily	Photosystem I subunit PsaD	8074480	3000951	SCOP2B (2022-06-29)
O [auth d]	SCOP2B Superfamily	Photosystem I subunit PsaD	8074480	3000951	SCOP2B (2022-06-29)
D [auth O]	SCOP2B Superfamily	Photosystem I subunit PsaD	8074480	3000951	SCOP2B (2022-06-29)
X [auth B]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074462	3000850	SCOP2B (2022-06-29)
M [auth b]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074462	3000850	SCOP2B (2022-06-29)
B [auth H]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074462	3000850	SCOP2B (2022-06-29)
V [auth m]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8074450	3000829	SCOP2B (2022-06-29)
K [auth V]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8074450	3000829	SCOP2B (2022-06-29)
GA [auth M]	SCOP2B Superfamily	Subunit XII of photosystem I reaction centre, PsaM	8074450	3000829	SCOP2B (2022-06-29)
U [auth l]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8087170	3000870	SCOP2B (2022-06-29)
J [auth U]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8087170	3000870	SCOP2B (2022-06-29)
FA [auth L]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8087170	3000870	SCOP2B (2022-06-29)
W [auth A]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074454	3000850	SCOP2B (2022-06-29)
L [auth a]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074454	3000850	SCOP2B (2022-06-29)
A [auth G]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074454	3000850	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)
T [auth k]		e9au4k1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
I [auth T]		e9au4T1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
EA [auth K]		e9au4K1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
S [auth j]		e9au4j1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
H [auth S]		e9au4S1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
DA [auth J]		e9au4J1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
R [auth i]		e9au4i1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
G [auth R]		e9au4R1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
CA [auth I]		e9au4I1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
Q [auth f]		e9au4f1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
F [auth Q]		e9au4Q1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
BA [auth F]		e9au4F1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
P [auth e]		e9au4e1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
E [auth P]		e9au4P1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
AA [auth E]		e9au4E1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
Z [auth D]		e9au4D1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
O [auth d]		e9au4d1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
D [auth O]		e9au4O1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
Y [auth C]		e9au4C1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
N [auth c]		e9au4c1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
C [auth N]		e9au4N1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
X [auth B]		e9au4B1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
M [auth b]		e9au4b1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
B [auth H]	GFO_IDH_MocA	e9au4H01	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: GFO_IDH_MocA	ECOD (v295)
V [auth m]		e9au4m1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
K [auth V]		e9au4V1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
GA [auth M]		e9au4M1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
U [auth l]		e9au4l1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
J [auth U]		e9au4U1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
FA [auth L]		e9au4L1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
W [auth A]		e9au4A1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
L [auth a]		e9au4a1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)
A [auth G]		e9au4G1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F:	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
EA [auth K], I [auth T], T [auth k]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
CA [auth I], G [auth R], R [auth i]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
BA [auth F], F [auth Q], Q [auth f]	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
AA [auth E], E [auth P], P [auth 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
D [auth O], O [auth d], Z [auth D]	PF02531	PsaD (PsaD)	PsaD	-	Family
C [auth N], N [auth c], Y [auth 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
B [auth H], M [auth b], X [auth B]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
GA [auth M], K [auth V], V [auth m]	PF07465	Photosystem I protein M (PsaM) (PsaM)	Photosystem I protein M (PsaM)	-	Family
FA [auth L], J [auth U], U [auth l]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
A [auth G], L [auth a], W [auth A]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
EA [auth K], I [auth T], T [auth k]	Photosystem I reaction center subunit PsaK 2	-	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
DA [auth J], H [auth S], S [auth j]	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
CA [auth I], G [auth R], R [auth i]	Photosystem I reaction center subunit VIII	-	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
BA [auth F], F [auth Q], Q [auth f]	Photosystem I reaction center subunit III	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid cell periphery plasma membrane
AA [auth E], E [auth P], P [auth e]	Photosystem I reaction center subunit IV	-	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
D [auth O], O [auth d], Z [auth D]	Photosystem I reaction center subunit II	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem I membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane photosystem I reaction center thylakoid cell periphery plasma membrane
C [auth N], N [auth c], Y [auth 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	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
B [auth H], M [auth b], X [auth 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	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
GA [auth M], K [auth V], V [auth m]	Photosystem I reaction center subunit XII	-	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
FA [auth L], J [auth U], U [auth l]	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
A [auth G], L [auth a], W [auth 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	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
EA [auth K], I [auth T], T [auth k]	IPR037101	Photosystem I reaction centre subunit PsaK	Homologous Superfamily
EA [auth K], I [auth T], T [auth k]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
EA [auth K], I [auth T], T [auth k]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
EA [auth K], I [auth T], T [auth k]	IPR017492	Photosystem I reaction center subunit PsaK	Family
DA [auth J], H [auth S], S [auth j]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
DA [auth J], H [auth S], S [auth j]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
CA [auth I], G [auth R], R [auth i]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
CA [auth I], G [auth R], R [auth i]	IPR001302	Photosystem I reaction centre subunit VIII	Family
BA [auth F], F [auth Q], Q [auth f]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
BA [auth F], F [auth Q], Q [auth f]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
AA [auth E], E [auth P], P [auth e]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
AA [auth E], E [auth P], P [auth e]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
D [auth O], O [auth d], Z [auth D]	IPR003685	Photosystem I PsaD	Family
D [auth O], O [auth d], Z [auth D]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
C [auth N], N [auth c], Y [auth C]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C [auth N], N [auth c], Y [auth C]	IPR050157	Photosystem I iron-sulfur center	Family
C [auth N], N [auth c], Y [auth C]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C [auth N], N [auth c], Y [auth C]	IPR017491	Photosystem I protein PsaC	Family
B [auth H], M [auth b], X [auth B]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B [auth H], M [auth b], X [auth B]	IPR001280	Photosystem I PsaA/PsaB	Family
B [auth H], M [auth b], X [auth B]	IPR006244	Photosystem I PsaB	Family
B [auth H], M [auth b], X [auth B]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
GA [auth M], K [auth V], V [auth m]	IPR010010	Photosystem I PsaM, reaction centre	Family
GA [auth M], K [auth V], V [auth m]	IPR037279	Photosystem I PsaM, reaction centre superfamily	Homologous Superfamily
FA [auth L], J [auth U], U [auth l]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
FA [auth L], J [auth U], U [auth l]	IPR022980	Photosystem I, reaction centre subunit XI	Family
FA [auth L], J [auth U], U [auth l]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
A [auth G], L [auth a], W [auth A]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A [auth G], L [auth a], W [auth A]	IPR001280	Photosystem I PsaA/PsaB	Family
A [auth G], L [auth a], W [auth A]	IPR006243	Photosystem I PsaA	Family
A [auth G], L [auth a], W [auth A]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth G], AA [auth E], B [auth H], BA [auth F], C [auth N] A [auth G], AA [auth E], B [auth H], BA [auth F], C [auth N], CA [auth I], DA [auth J], E [auth P], EA [auth K], F [auth Q], FA [auth L], G [auth R], GA [auth M], H [auth S], I [auth T], J [auth U], K [auth V], L [auth a], M [auth b], N [auth c], P [auth e], Q [auth f], R [auth i], S [auth j], T [auth k], U [auth l], V [auth m], W [auth A], X [auth B], Y [auth C]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Photosystems	Photosystem I variant, containing plastoquinone derivative

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.