8J7B

Coordinates of Cryo-EM structure of the Arabidopsis thaliana PSI in state 2 (PSI-ST2)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth 1]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076986	3000343	SCOP2B (2022-06-29)
B [auth 2]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8107014	3000343	SCOP2B (2022-06-29)
C [auth 3]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8107012	3000343	SCOP2B (2022-06-29)
D [auth 4]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8106944	3000343	SCOP2B (2022-06-29)
E [auth A]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8106954	3000850	SCOP2B (2022-06-29)
F [auth B]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8106956	3000850	SCOP2B (2022-06-29)
G [auth C]	SCOP2B Superfamily	4Fe-4S ferredoxins	8106962	3000020	SCOP2B (2022-06-29)
I [auth E]	SCOP2B Superfamily	Electron transport accessory proteins	8074494	3000325	SCOP2B (2022-06-29)
J [auth F]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8107006	3000813	SCOP2B (2022-06-29)
L [auth H]	SCOP2B Superfamily	Photosystem I reaction centre subunit VI	8107010	3002733	SCOP2B (2022-06-29)
M [auth I]	SCOP2B Superfamily	Subunit VIII of photosystem I reaction centre, PsaI	8106958	3000819	SCOP2B (2022-06-29)
N [auth J]	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8106960	3000824	SCOP2B (2022-06-29)
P [auth L]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8107008	3000870	SCOP2B (2022-06-29)
H [auth D]	SCOP2B Superfamily	Photosystem I subunit PsaD	8107004	3000951	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth 1]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
B [auth 2]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
C [auth 3]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
D [auth 4]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
E [auth A]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
F [auth B]	PF00223	Photosystem I psaA/psaB protein (PsaA_PsaB)	Photosystem I psaA/psaB protein	-	Family
G [auth C]	PF14697	4Fe-4S dicluster domain (Fer4_21)	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
I [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
M [auth I]	PF00796	Photosystem I reaction centre subunit VIII (PSI_8)	Photosystem I reaction centre subunit VIII	-	Family
N [auth J]	PF01701	Photosystem I reaction centre subunit IX / PsaJ (PSI_PsaJ)	Photosystem I reaction centre subunit IX / PsaJ	-	Family
O [auth K]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
P [auth L]	PF02605	Photosystem I reaction centre subunit XI (PsaL)	Photosystem I reaction centre subunit XI	-	Family
K [auth G]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
H [auth D]	PF02531	PsaD (PsaD)	PsaD	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth 1]	Chlorophyll a-b binding protein 6, chloroplastic	protein binding binding protein domain specific binding RNA binding organic cyclic compound binding nucleic acid binding mRNA binding chlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	response to stimulus response to stress response to abiotic stimulus response to cold response to temperature stimulus response to light stimulus response to light intensity response to radiation response to high light intensity response to low light intensity stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction photosynthesis, light harvesting response to stimulus response to stress response to abiotic stimulus response to cold response to temperature stimulus response to light stimulus response to light intensity response to radiation response to high light intensity response to low light intensity stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	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 thylakoid 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 thylakoid plastid envelope 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 plastoglobule plastid stroma chloroplast stroma chloroplast envelope
B [auth 2]	Photosystem I chlorophyll a/b-binding protein 2, chloroplastic	protein binding binding protein domain specific binding chlorophyll binding organic cyclic compound binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	response to stimulus response to stress response to abiotic stimulus response to cold response to temperature stimulus response to light stimulus response to light intensity response to radiation response to high light intensity response to low light intensity stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction photosynthesis, light harvesting response to stimulus response to stress response to abiotic stimulus response to cold response to temperature stimulus response to light stimulus response to light intensity response to radiation response to high light intensity response to low light intensity stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	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 thylakoid 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 thylakoid plastid envelope 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 cytosol
C [auth 3]	Photosystem I chlorophyll a/b-binding protein 3-1, chloroplastic	protein binding binding protein domain specific binding RNA binding organic cyclic compound binding nucleic acid binding mRNA binding chlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	response to stimulus response to stress response to abiotic stimulus response to cold response to temperature stimulus response to light stimulus response to light intensity response to radiation response to high light intensity response to low light intensity stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction photosynthesis, light harvesting response to stimulus response to stress response to abiotic stimulus response to cold response to temperature stimulus response to light stimulus response to light intensity response to radiation response to high light intensity response to low light intensity stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	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 thylakoid 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 thylakoid plastid envelope 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 plastoglobule plastid stroma chloroplast stroma nucleus
D [auth 4]	Chlorophyll a-b binding protein 4, chloroplastic	protein binding binding protein domain specific binding RNA binding organic cyclic compound binding nucleic acid binding mRNA binding chlorophyll binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	response to stimulus response to stress response to abiotic stimulus response to cold response to temperature stimulus response to light stimulus response to light intensity response to radiation response to high light intensity response to low light intensity stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction photosynthesis, light harvesting response to stimulus response to stress response to abiotic stimulus response to cold response to temperature stimulus response to light stimulus response to light intensity response to radiation response to high light intensity response to low light intensity stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	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 thylakoid 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 thylakoid plastid envelope 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 cytosol chloroplast envelope
E [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 RNA binding organic cyclic compound binding nucleic acid binding mRNA binding chlorophyll binding tetrapyrrole binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity RNA binding organic cyclic compound binding nucleic acid binding mRNA binding 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	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 thylakoid 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 thylakoid plastid envelope 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 plastoglobule plastid stroma chloroplast stroma chloroplast envelope
F [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 RNA binding organic cyclic compound binding nucleic acid binding mRNA binding chlorophyll binding tetrapyrrole binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding oxidoreductase activity catalytic activity RNA binding organic cyclic compound binding nucleic acid binding mRNA binding 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	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 thylakoid 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 thylakoid plastid envelope 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 chloroplast envelope
G [auth C]	Photosystem I iron-sulfur center	oxidoreductase activity catalytic activity RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding oxidoreductase activity catalytic activity RNA binding binding organic cyclic compound binding nucleic acid binding mRNA binding iron-sulfur cluster binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding electron transfer activity cation binding ion binding metal ion binding	photosynthesis metabolic process cellular process photosynthesis, light reaction photosynthetic electron transport chain electron transport chain 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 thylakoid 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 thylakoid plastid envelope 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 chloroplast stromal thylakoid plastid stroma chloroplast stroma
I [auth E]	Photosystem I reaction center subunit IV A, chloroplastic	protein binding binding protein domain specific binding RNA binding organic cyclic compound binding nucleic acid binding mRNA binding	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 thylakoid 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 thylakoid plastid envelope chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane plastoglobule plastid stroma chloroplast stroma protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center cell periphery plasma membrane chloroplast envelope
J [auth F]	Photosystem I reaction center subunit III, chloroplastic	protein binding binding protein domain specific binding RNA binding organic cyclic compound binding nucleic acid binding mRNA binding	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 thylakoid 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 thylakoid plastid envelope chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane plastoglobule plastid stroma chloroplast stroma protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center chloroplast envelope nucleus
L [auth H]	Photosystem I reaction center subunit VI-2, chloroplastic	-	photosynthesis metabolic process cellular process	membrane-bounded organelle intracellular anatomical structure plastid intracellular membraneless organelle intracellular membrane-bounded organelle plastid thylakoid intracellular organelle cellular anatomical structure chloroplast thylakoid organelle membraneless organelle cytoplasm thylakoid chloroplast membrane-bounded organelle intracellular anatomical structure plastid intracellular membraneless organelle intracellular membrane-bounded organelle plastid thylakoid intracellular organelle cellular anatomical structure chloroplast thylakoid organelle membraneless organelle cytoplasm thylakoid chloroplast protein-containing complex photosystem photosystem I membrane membrane protein complex photosynthetic membrane photosystem I reaction center chloroplast thylakoid membrane plastid membrane organelle outer membrane plastid thylakoid membrane organelle envelope bounding membrane of organelle plastid envelope thylakoid membrane outer membrane organelle membrane nucleus
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 thylakoid 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 thylakoid plastid envelope 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
N [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 thylakoid 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 thylakoid plastid envelope 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
O [auth K]	Photosystem I reaction center subunit psaK, chloroplastic	-	photosynthesis metabolic process cellular process	membrane-bounded organelle intracellular anatomical structure plastid intracellular membraneless organelle intracellular membrane-bounded organelle plastid thylakoid intracellular organelle cellular anatomical structure chloroplast thylakoid organelle membraneless organelle cytoplasm thylakoid chloroplast membrane-bounded organelle intracellular anatomical structure plastid intracellular membraneless organelle intracellular membrane-bounded organelle plastid thylakoid intracellular organelle cellular anatomical structure chloroplast thylakoid organelle membraneless organelle cytoplasm thylakoid chloroplast chloroplast thylakoid membrane plastid membrane organelle outer membrane plastid thylakoid membrane organelle envelope bounding membrane of organelle plastid envelope membrane thylakoid membrane outer membrane photosynthetic membrane organelle membrane protein-containing complex photosystem photosystem I membrane protein complex nucleus
P [auth L]	Photosystem I reaction center subunit XI, chloroplastic	protein binding binding protein domain specific binding RNA binding organic cyclic compound binding nucleic acid binding mRNA binding	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 thylakoid 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 thylakoid plastid envelope chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane chloroplast envelope chloroplast membrane cytosol plastoglobule plastid stroma chloroplast stroma protein-containing complex photosystem photosystem I membrane protein complex photosystem I reaction center
K [auth G]	Photosystem I reaction center subunit V, chloroplastic	-	regulation of biological process regulation of cellular process regulation of photosynthesis photosynthesis photosynthesis, light reaction regulation of photosynthesis, light reaction biological regulation regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy photosystem I stabilization cellular process metabolic process regulation of metabolic process regulation of protein stability regulation of biological process regulation of cellular process regulation of photosynthesis photosynthesis photosynthesis, light reaction regulation of photosynthesis, light reaction biological regulation regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy photosystem I stabilization cellular process metabolic process regulation of metabolic process regulation of protein stability regulation of biological quality protein stabilization photosynthetic electron transport chain electron transport chain photosynthetic electron transport in photosystem I nucleoside phosphate metabolic process nicotinamide nucleotide metabolic process photosynthetic NADP+ reduction primary metabolic process nucleotide metabolic process purine-containing compound metabolic process NADP metabolic process nucleobase-containing compound metabolic process NADPH regeneration purine nucleotide metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process pyridine-containing compound metabolic process small molecule metabolic process phosphorus metabolic process pyridine nucleotide metabolic 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 thylakoid 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 thylakoid plastid envelope chloroplast membrane intracellular membraneless organelle intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid outer membrane cytoplasm photosynthetic membrane organelle membrane chloroplast envelope chloroplast membrane protein-containing complex photosystem photosystem I membrane protein complex chloroplast thylakoid membrane protein complex chloroplast photosystem I nucleus
H [auth D]	Photosystem I reaction center subunit II-2, chloroplastic	protein binding binding protein domain specific binding RNA binding organic cyclic compound binding nucleic acid binding mRNA binding	photosynthesis metabolic process cellular process	membrane-bounded organelle intracellular anatomical structure plastid intracellular membraneless organelle intracellular membrane-bounded organelle plastid thylakoid intracellular organelle cellular anatomical structure chloroplast thylakoid organelle membraneless organelle cytoplasm thylakoid chloroplast membrane-bounded organelle intracellular anatomical structure plastid intracellular membraneless organelle intracellular membrane-bounded organelle plastid thylakoid intracellular organelle cellular anatomical structure chloroplast thylakoid organelle membraneless organelle cytoplasm thylakoid chloroplast protein-containing complex photosystem photosystem I membrane membrane protein complex photosynthetic membrane photosystem I reaction center chloroplast thylakoid membrane plastid membrane organelle outer membrane plastid thylakoid membrane organelle envelope bounding membrane of organelle plastid envelope thylakoid membrane outer membrane organelle membrane extracellular region chloroplast envelope

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth 1]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
A [auth 1]	IPR022796	Chlorophyll A-B binding protein	Family
B [auth 2]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
B [auth 2]	IPR022796	Chlorophyll A-B binding protein	Family
C [auth 3]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
C [auth 3]	IPR022796	Chlorophyll A-B binding protein	Family
D [auth 4]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
D [auth 4]	IPR022796	Chlorophyll A-B binding protein	Family
E [auth A]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
E [auth A]	IPR001280	Photosystem I PsaA/PsaB	Family
E [auth A]	IPR006243	Photosystem I PsaA	Family
E [auth A]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
F [auth B]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
F [auth B]	IPR001280	Photosystem I PsaA/PsaB	Family
F [auth B]	IPR006244	Photosystem I PsaB	Family
F [auth B]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
G [auth C]	IPR017491	Photosystem I protein PsaC	Family
G [auth C]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
G [auth C]	IPR050157	Photosystem I iron-sulfur center	Family
G [auth C]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
I [auth E]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
I [auth E]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
J [auth F]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
J [auth F]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
L [auth H]	IPR004928	Photosystem I PsaH, reaction centre subunit VI	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
N [auth J]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
N [auth J]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
O [auth K]	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
O [auth K]	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
O [auth K]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
O [auth K]	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
O [auth K]	IPR017493	Photosystem I reaction center subunit psaK, plant	Family
P [auth L]	IPR022980	Photosystem I, reaction centre subunit XI	Family
P [auth L]	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
P [auth L]	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
K [auth G]	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
K [auth G]	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
K [auth G]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
K [auth G]	IPR017494	Photosystem I reaction center subunit V	Family
H [auth D]	IPR003685	Photosystem I PsaD	Family
H [auth D]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth 1], B [auth 2], C [auth 3], D [auth 4], E [auth A] A [auth 1], B [auth 2], C [auth 3], D [auth 4], E [auth A], F [auth B], G [auth C], H [auth D], I [auth E], J [auth F], K [auth G], L [auth H], M [auth I], N [auth J], O [auth K], P [auth L]	PDBTM	Annotated as membrane protein by PDBTM