Annotations: 7Y8A

Cryo-EM structure of cryptophyte photosystem I

External Resource: Annotation

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
I [auth 9]	AAA_6	e7y8a91	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA_6	ECOD (v295)
H [auth 8]	Ald_Xan_dh_C	e7y8a81	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
G [auth 7]	Ald_Xan_dh_C	e7y8a71	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
F [auth 6]	Ald_Xan_dh_C	e7y8a61	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
E [auth 5]	Ald_Xan_dh_C	e7y8a51	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
D [auth 4]	Ald_Xan_dh_C	e7y8a41	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
C [auth 3]	Ald_Xan_dh_C	e7y8a31	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
Z [auth b]	Ald_Xan_dh_C	e7y8ab1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
Y [auth a]	Ald_Xan_dh_C	e7y8aa1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
T [auth M]	Ald_Xan_dh_C	e7y8aM1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
B [auth 2]	Ald_Xan_dh_C	e7y8a21	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
S [auth L]	Ald_Xan_dh_C	e7y8aL1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
R [auth K]	Ald_Xan_dh_C	e7y8aK1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
Q [auth J]	Ald_Xan_dh_C	e7y8aJ1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
P [auth I]	Ald_Xan_dh_C	e7y8aI1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
O [auth F]	Ald_Xan_dh_C	e7y8aF1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
N [auth E]	Ald_Xan_dh_C	e7y8aE1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
M [auth D]	Ald_Xan_dh_C	e7y8aD1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
L [auth C]	Ald_Xan_dh_C	e7y8aC1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
K [auth B]	Ald_Xan_dh_C	e7y8aB1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
J [auth A]	Ald_Xan_dh_C	e7y8aA1	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)
A [auth 1]	Ald_Xan_dh_C	e7y8a11	A: alpha arrays	X: cradle loop barrel	H: RIFT-related	T: FMN-binding split barrel	F: Ald_Xan_dh_C	ECOD (v295)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
S [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
I [auth 9]	ACPI-12	-	-	-
H [auth 8]	ACPI-8	-	-	-
G [auth 7]	ACPI-7	-	-	-
F [auth 6]	ACPI-6	-	-	-
E [auth 5]	ACPI-5	-	-	-
D [auth 4]	ACPI-4	-	-	-
C [auth 3]	ACPI-3	-	-	-
Z [auth b]	ACPI-14	-	-	-
Y [auth a]	ACPI-13	-	-	-
X [auth Z]	ACPI-S	-	-	-
W [auth X]	Unk1	-	-	-
V [auth R]	PsaR	-	-	-
U [auth O]	PsaO	-	-	-
T [auth M]	Photosystem I reaction center subunit XII	-	photosynthesis metabolic process cellular process	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex
B [auth 2]	ACPI-2	-	-	-
S [auth L]	Photosystem I reaction center subunit XI	-	photosynthesis metabolic process cellular process	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
R [auth K]	Photosystem I reaction center subunit PsaK	-	photosynthesis metabolic process cellular process	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex
Q [auth J]	Photosystem I reaction center subunit IX	-	photosynthesis metabolic process cellular process	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex
P [auth I]	Photosystem I reaction center subunit VIII	-	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 thylakoid membrane-bounded organelle 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 thylakoid membrane-bounded organelle plastid membrane plastid intracellular membrane-bounded organelle plastid thylakoid membrane thylakoid membrane plastid thylakoid organelle envelope cytoplasm organelle membrane plastid envelope
O [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
N [auth E]	Photosystem I reaction center subunit IV	-	photosynthesis metabolic process cellular process	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membrane membraneless organelle intracellular membraneless organelle photosynthetic membrane thylakoid membrane thylakoid protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
M [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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
L [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	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 thylakoid membrane-bounded organelle 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 thylakoid membrane-bounded organelle plastid membrane plastid intracellular membrane-bounded organelle plastid thylakoid membrane thylakoid membrane plastid thylakoid organelle envelope cytoplasm organelle membrane plastid envelope
K [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 iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding tetrapyrrole binding electron transfer activity	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
J [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 iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding chlorophyll binding tetrapyrrole binding electron transfer activity	photosynthesis metabolic process cellular process	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope cellular anatomical structure bounding membrane of organelle membraneless organelle plastid envelope thylakoid chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex
A [auth 1]	ACPI-1	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

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

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
J [auth A], K [auth B], L [auth C], N [auth E], O [auth F] J [auth A], K [auth B], L [auth C], N [auth E], O [auth F], P [auth I], Q [auth J], R [auth K], S [auth L], T [auth M]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
J [auth A], K [auth B], L [auth C], N [auth E], O [auth F] J [auth A], K [auth B], L [auth C], N [auth E], O [auth F], P [auth I], Q [auth J], R [auth K], S [auth L], T [auth M]	PDBTM	Annotated as membrane protein by PDBTM