6ZZX | pdb_00006zzx

Structure of low-light grown Chlorella ohadii Photosystem I

External Resource: Annotation

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

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
I [auth J]	d6zzxj_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Subunit IX of photosystem I reaction centre, PsaJ	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
F	d6zzxf_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Subunit III of photosystem I reaction centre, PsaF	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
E	d6zzxe_	All beta proteins	SH3-like barrel	Electron transport accessory proteins	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
D	d6zzxd_	Alpha and beta proteins (a+b)	Photosystem I subunit PsaD	Photosystem I subunit PsaD	Photosystem I subunit PsaD	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
C	d6zzxc_	Alpha and beta proteins (a+b)	Ferredoxin-like	4Fe-4S ferredoxins	7-Fe ferredoxin	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
X [auth 9]	d6zzx9_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
V [auth 8]	d6zzx8_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
U [auth 7]	d6zzx7_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
B	d6zzxb_	Membrane and cell surface proteins and peptides	Photosystem I subunits PsaA/PsaB	Photosystem I subunits PsaA/PsaB	Photosystem I subunits PsaA/PsaB	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
R [auth 4]	d6zzx4_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
O [auth 1]	d6zzx1_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
K [auth L]	d6zzxl_	Membrane and cell surface proteins and peptides	Photosystem I reaction center subunit XI, PsaL	Photosystem I reaction center subunit XI, PsaL	automated matches	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)
A	d6zzxa_	Membrane and cell surface proteins and peptides	Photosystem I subunits PsaA/PsaB	Photosystem I subunits PsaA/PsaB	Photosystem I subunits PsaA/PsaB	automated matches	(Chlorella ohadii ) [TaxId: 2649997 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
I [auth J]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8104043	3000824	SCOP2B (2022-06-29)
H	SCOP2 Family	Photosystem I reaction centre subunit VI	8103802	4007266	SCOP2 (2022-06-29)
H	SCOP2 Superfamily	Photosystem I reaction centre subunit VI	8103803	3002733	SCOP2 (2022-06-29)
F	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8103805	3000813	SCOP2B (2022-06-29)
E	SCOP2 Family	Photosystem I accessory protein E (PsaE)	8103816	4001749	SCOP2 (2022-06-29)
E	SCOP2 Superfamily	Electron transport accessory proteins	8103817	3000325	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	Photosystem I subunit PsaD	8103795	3000951	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	4Fe-4S ferredoxins	8104039	3000020	SCOP2B (2022-06-29)
X [auth 9]	SCOP2 Family	Chlorophyll a-b binding protein	8103796	4001763	SCOP2 (2022-06-29)
X [auth 9]	SCOP2 Superfamily	Chlorophyll a-b binding protein	8103797	3000343	SCOP2 (2022-06-29)
W [auth 2]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8103799	3000343	SCOP2B (2022-06-29)
V [auth 8]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8103813	3000343	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8104041	3000850	SCOP2B (2022-06-29)
T [auth 6]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8103801	3000343	SCOP2B (2022-06-29)
S [auth 5]	SCOP2 Family	Chlorophyll a-b binding protein	8103814	4001763	SCOP2 (2022-06-29)
S [auth 5]	SCOP2 Superfamily	Chlorophyll a-b binding protein	8103815	3000343	SCOP2 (2022-06-29)
P [auth a]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8103811	3000343	SCOP2B (2022-06-29)
O [auth 1]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8103811	3000343	SCOP2B (2022-06-29)
M [auth I]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8104037	3000819	SCOP2B (2022-06-29)
K [auth L]	SCOP2 Family	Photosystem I reaction center subunit XI, PsaL	8103792	4002135	SCOP2 (2022-06-29)
K [auth L]	SCOP2 Superfamily	Photosystem I reaction center subunit XI, PsaL	8103793	3000870	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8104045	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)
I [auth J]	Enolase_N	e6zzxJ1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
H	Enolase_N	e6zzxH1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
G	Enolase_N	e6zzxG1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
F	Enolase_N	e6zzxF1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
E	Enolase_N	e6zzxE1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
D	Enolase_N	e6zzxD1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
C	Enolase_N	e6zzxC1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
X [auth 9]	Enolase_N	e6zzx91	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
W [auth 2]	RF-1	e6zzx201	A: a/b three-layered sandwiches	X: Rossmann-like	H: all-alpha NTP pyrophosphatases	T: Hypothetical protein AF_0060	F: RF-1	ECOD (v294.1)
V [auth 8]	Enolase_N	e6zzx81	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
U [auth 7]	Enolase_N	e6zzx71	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
B	Enolase_N	e6zzxB1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
T [auth 6]	Glyco_transf_41	e6zzx61	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Glyco_transf_41	ECOD (v294.1)
S [auth 5]	Glyco_transf_41	e6zzx51	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Glyco_transf_41	ECOD (v294.1)
R [auth 4]	Enolase_N	e6zzx41	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
Q [auth 3]	Enolase_N	e6zzx31	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
P [auth a]	Trypsin	e6zzxa1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: RIFT-related	T: FMN-binding split barrel 2	F: Trypsin	ECOD (v294.1)
O [auth 1]	Enolase_N	e6zzx11	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
M [auth I]	Enolase_N	e6zzxI1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
L [auth M]	Enolase_N	e6zzxM1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
K [auth L]	Enolase_N	e6zzxL1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
J [auth K]	Enolase_N	e6zzxK1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)
A	Enolase_N	e6zzxA1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Enolase_N	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
X [auth 9]	1.10.3460.10	Mainly Alpha	Orthogonal Bundle	Chlorophyll a-b binding protein	Chlorophyll a/b binding protein domain	CATH (utative)
T [auth 6]	1.10.3460.10	Mainly Alpha	Orthogonal Bundle	Chlorophyll a-b binding protein	Chlorophyll a/b binding protein domain	CATH (utative)
S [auth 5]	1.10.3460.10	Mainly Alpha	Orthogonal Bundle	Chlorophyll a-b binding protein	Chlorophyll a/b binding protein domain	CATH (utative)
K [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
H	PF03244	Photosystem I reaction centre subunit VI (PSI_PsaH)	Photosystem I reaction centre subunit VI	-	Family
G	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
F	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	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
D	PF02531	PsaD (PsaD)	PsaD	-	Family
X [auth 9]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
W [auth 2]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
V [auth 8]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
T [auth 6]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
S [auth 5]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
Q [auth 3]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
O [auth 1], P [auth a]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
N [auth O]	PF22832	PsaO transmembrane domain (PsaO_TMD)	PsaO transmembrane domain	PsaO is one of the nine membrane-embedded subunits of photosystem I. This entry represents the transmembrane domain that was shown to consists of three transmembrane helices arranged in an L-shape [1].	Domain
K [auth L]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
J [auth K]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
A	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
I [auth J]	Photosystem I reaction center subunit IX	-	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
H	Photosystem I reaction center subunit VI-chloroplastic-like	-	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
G	Photosystem I reaction center subunit chloroplastic	-	organic acid transport localization organic anion transport carboxylic acid transport transport dicarboxylic acid transport C4-dicarboxylate transport establishment of localization malate transport 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 cytoplasm intracellular membrane-bounded organelle chloroplast
F	PSI-F	-	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 plastid thylakoid lumen chloroplast thylakoid lumen thylakoid lumen
E	Photosystem I reaction center subunit IV	-	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
D	Photosystem I reaction center subunit chloroplastic	protein binding binding protein domain specific binding	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
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	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
X [auth 9]	Chlorophyll a-b binding protein, chloroplastic	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups chlorophyll binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II 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 II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid membrane-bounded organelle axoneme ciliary plasm cilium plasma membrane bounded cell projection cell projection cytoskeleton cytoplasm chloroplast thylakoid membrane 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 organelle membrane photosystem I
W [auth 2]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane 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 photosystem I
V [auth 8]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane 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 photosystem I
U [auth 7]	Lhca7	-	-	-
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
T [auth 6]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane 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 photosystem I
S [auth 5]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane 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 photosystem I
R [auth 4]	Lhca4	-	-	-
Q [auth 3]	Glutathione reductase	binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding flavin adenine dinucleotide binding nucleoside phosphate binding anion binding nucleotide binding heterocyclic compound binding binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding flavin adenine dinucleotide binding nucleoside phosphate binding anion binding nucleotide binding heterocyclic compound binding monooxygenase activity oxidoreductase activity catalytic activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen oxidoreductase activity, acting on a sulfur group of donors disulfide oxidoreductase activity glutathione-disulfide reductase (NADPH) activity antioxidant activity glutathione disulfide oxidoreductase activity oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor	cell redox homeostasis cellular homeostasis homeostatic process glutathione metabolic process modified amino acid metabolic process sulfur compound metabolic process metabolic process cellular process cellular response to stimulus response to oxidative stress cellular response to chemical stimulus response to stimulus cellular response to stress response to stress cell redox homeostasis cellular homeostasis homeostatic process glutathione metabolic process modified amino acid metabolic process sulfur compound metabolic process metabolic process cellular process cellular response to stimulus response to oxidative stress cellular response to chemical stimulus response to stimulus cellular response to stress response to stress response to chemical cellular response to oxidative stress cellular response to chemical stress	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol plastid chloroplast
O [auth 1], P [auth a]	Chlorophyll a-b binding protein, chloroplastic	chlorophyll binding binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid chloroplast thylakoid membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane 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 photosystem I
N [auth O]	Photosystem I subunit O	-	-	-
M [auth I]	Photosystem I reaction center subunit VIII	-	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
L [auth M]	Photosystem I reaction center subunit XII	-	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
K [auth L]	Photosystem I reaction center subunit XI	acyltransferase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity catalytic activity	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
J [auth K]	Photosystem I reaction center subunit chloroplastic	-	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 cytoplasm intracellular membrane-bounded organelle chloroplast
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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I [auth J]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
I [auth J]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
H	IPR004928	Photosystem I PsaH, reaction centre subunit VI	Family
G	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
G	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
G	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
G	IPR020966	Aluminum-activated malate transporter	Family
F	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
F	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
F	IPR021420	Protein of unknown function DUF3067	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
X [auth 9]	IPR017441	Protein kinase, ATP binding site	Binding Site
X [auth 9]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
X [auth 9]	IPR022796	Chlorophyll A-B binding protein	Family
X [auth 9]	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
X [auth 9]	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
X [auth 9]	IPR000719	Protein kinase domain	Domain
X [auth 9]	IPR008271	Serine/threonine-protein kinase, active site	Active Site
W [auth 2]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
W [auth 2]	IPR022796	Chlorophyll A-B binding protein	Family
V [auth 8]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
V [auth 8]	IPR022796	Chlorophyll A-B binding protein	Family
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
T [auth 6]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
T [auth 6]	IPR022796	Chlorophyll A-B binding protein	Family
S [auth 5]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
S [auth 5]	IPR022796	Chlorophyll A-B binding protein	Family
Q [auth 3]	IPR004099	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	Domain
Q [auth 3]	IPR046952	Glutathione reductase/thioredoxin reductase-like	Family
Q [auth 3]	IPR022796	Chlorophyll A-B binding protein	Family
Q [auth 3]	IPR016156	FAD/NAD-linked reductase, dimerisation domain superfamily	Homologous Superfamily
Q [auth 3]	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
Q [auth 3]	IPR001128	Cytochrome P450	Family
Q [auth 3]	IPR023753	FAD/NAD(P)-binding domain	Domain
Q [auth 3]	IPR012999	Pyridine nucleotide-disulphide oxidoreductase, class I, active site	Active Site
Q [auth 3]	IPR036396	Cytochrome P450 superfamily	Homologous Superfamily
O [auth 1], P [auth a]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
O [auth 1], P [auth a]	IPR022796	Chlorophyll A-B binding protein	Family
N [auth O]	IPR017498	Photosystem I PsaO	Family
M [auth I]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
M [auth I]	IPR001302	Photosystem I reaction centre subunit VIII	Family
L [auth M]	IPR010010	Photosystem I PsaM, reaction centre	Family
L [auth M]	IPR037279	Photosystem I PsaM, reaction centre superfamily	Homologous Superfamily
K [auth L]	IPR016181	Acyl-CoA N-acyltransferase	Homologous Superfamily
K [auth L]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
K [auth L]	IPR022980	Photosystem I, reaction centre subunit XI	Family
K [auth L]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
K [auth L]	IPR000182	GNAT domain	Domain
J [auth K]	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
J [auth K]	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
J [auth K]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
J [auth K]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
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

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, E, G A, B, C, E, G, H, I [auth J], J [auth K], K [auth L], L [auth M], M [auth I], N [auth O], Q [auth 3]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, E, G A, B, C, E, G, H, I [auth J], J [auth K], K [auth L], L [auth M], M [auth I], N [auth O], Q [auth 3]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, E, G A, B, C, E, G, H, I [auth J], J [auth K], K [auth L], L [auth M], M [auth I], N [auth O], Q [auth 3]	MemProtMD	Annotated as membrane protein by MemProtMD