4XK8 | pdb_00004xk8

Crystal structure of plant photosystem I-LHCI super-complex at 2.8 angstrom resolution

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
Membrane Protein Annotation: mpstruc

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
F	d4xk8f_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Subunit III of photosystem I reaction centre, PsaF	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
E	d4xk8e_	All beta proteins	SH3-like barrel	Electron transport accessory proteins	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
D	d4xk8d_	Alpha and beta proteins (a+b)	Photosystem I subunit PsaD	Photosystem I subunit PsaD	Photosystem I subunit PsaD	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
C	d4xk8c_	Alpha and beta proteins (a+b)	Ferredoxin-like	4Fe-4S ferredoxins	7-Fe ferredoxin	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
B	d4xk8b_	Membrane and cell surface proteins and peptides	Photosystem I subunits PsaA/PsaB	Photosystem I subunits PsaA/PsaB	Photosystem I subunits PsaA/PsaB	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
FA [auth 9]	d4xk89_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
P [auth 4]	d4xk84_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
EA [auth 8]	d4xk88_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
O [auth 3]	d4xk83_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
DA [auth 7]	d4xk87_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
N [auth 2]	d4xk82_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
CA [auth 6]	d4xk86_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
M [auth 1]	d4xk81_	Membrane and cell surface proteins and peptides	Chlorophyll a-b binding protein	Chlorophyll a-b binding protein	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
J	d4xk8j_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Subunit IX of photosystem I reaction centre, PsaJ	automated matches	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)
A	d4xk8a_	Membrane and cell surface proteins and peptides	Photosystem I subunits PsaA/PsaB	Photosystem I subunits PsaA/PsaB	Photosystem I subunits PsaA/PsaB	automated matches	Garden pea (Lathyrus oleraceus ) [TaxId: 3888 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
H	SCOP2B Superfamily	Photosystem I reaction centre subunit VI	8102526	3002733	SCOP2B (2022-06-29)
X [auth h]	SCOP2 Family	Photosystem I reaction centre subunit VI	8051254	4007266	SCOP2 (2022-06-29)
X [auth h]	SCOP2 Superfamily	Photosystem I reaction centre subunit VI	8102526	3002733	SCOP2 (2022-06-29)
F	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8074446	3000813	SCOP2B (2022-06-29)
V [auth f]	SCOP2B Superfamily	Subunit III of photosystem I reaction centre, PsaF	8074446	3000813	SCOP2B (2022-06-29)
E	SCOP2 Family	Photosystem I accessory protein E (PsaE)	8074497	4001749	SCOP2 (2022-06-29)
E	SCOP2 Superfamily	Electron transport accessory proteins	8074498	3000325	SCOP2 (2022-06-29)
U [auth e]	SCOP2B Superfamily	Electron transport accessory proteins	8074498	3000325	SCOP2B (2022-06-29)
D	SCOP2 Family	Photosystem I subunit PsaD	8074483	4003498	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Photosystem I subunit PsaD	8074484	3000951	SCOP2 (2022-06-29)
T [auth d]	SCOP2B Superfamily	Photosystem I subunit PsaD	8074484	3000951	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	4Fe-4S ferredoxins	8074478	3000020	SCOP2B (2022-06-29)
S [auth c]	SCOP2B Superfamily	4Fe-4S ferredoxins	8074478	3000020	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074470	3000850	SCOP2B (2022-06-29)
R [auth b]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074470	3000850	SCOP2B (2022-06-29)
FA [auth 9]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8077000	3000343	SCOP2B (2022-06-29)
P [auth 4]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8077000	3000343	SCOP2B (2022-06-29)
EA [auth 8]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076994	3000343	SCOP2B (2022-06-29)
O [auth 3]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076994	3000343	SCOP2B (2022-06-29)
DA [auth 7]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076998	3000343	SCOP2B (2022-06-29)
N [auth 2]	SCOP2 Family	Chlorophyll a-b binding protein	8076997	4001763	SCOP2 (2022-06-29)
N [auth 2]	SCOP2 Superfamily	Chlorophyll a-b binding protein	8076998	3000343	SCOP2 (2022-06-29)
CA [auth 6]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076986	3000343	SCOP2B (2022-06-29)
M [auth 1]	SCOP2 Family	Chlorophyll a-b binding protein	8076985	4001763	SCOP2 (2022-06-29)
M [auth 1]	SCOP2 Superfamily	Chlorophyll a-b binding protein	8076986	3000343	SCOP2 (2022-06-29)
BA [auth l]	SCOP2B Superfamily	Photosystem I reaction center subunit XI, PsaL	8087174	3000870	SCOP2B (2022-06-29)
L	SCOP2 Family	Photosystem I reaction center subunit XI, PsaL	8087173	4002135	SCOP2 (2022-06-29)
L	SCOP2 Superfamily	Photosystem I reaction center subunit XI, PsaL	8087174	3000870	SCOP2 (2022-06-29)
J	SCOP2B Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8097086	3000824	SCOP2B (2022-06-29)
Z [auth j]	SCOP2 Family	Subunit IX of photosystem I reaction centre, PsaJ	8097085	4002101	SCOP2 (2022-06-29)
Z [auth j]	SCOP2 Superfamily	Subunit IX of photosystem I reaction centre, PsaJ	8097086	3000824	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074458	3000850	SCOP2B (2022-06-29)
Q [auth a]	SCOP2B Superfamily	Photosystem I subunits PsaA/PsaB	8074458	3000850	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
I	e4xk8I1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
Y [auth i]	e4xk8i1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
H	e4xk8H1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
X [auth h]	e4xk8h1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
G	e4xk8G1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
W [auth g]	e4xk8g1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
F	e4xk8F1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
V [auth f]	e4xk8f1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
E	e4xk8E1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
U [auth e]	e4xk8e1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
D	e4xk8D1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
T [auth d]	e4xk8d1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
C	e4xk8C1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
S [auth c]	e4xk8c1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
B	e4xk8B1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
R [auth b]	e4xk8b1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
FA [auth 9]	e4xk891	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
P [auth 4]	e4xk841	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
EA [auth 8]	e4xk881	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
O [auth 3]	e4xk831	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
DA [auth 7]	e4xk871	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
N [auth 2]	e4xk821	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
CA [auth 6]	e4xk861	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
M [auth 1]	e4xk811	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
BA [auth l]	e4xk8l1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
L	e4xk8L1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
AA [auth k]	e4xk8k1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
K	e4xk8K1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
J	e4xk8J1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
Z [auth j]	e4xk8j1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
A	e4xk8A1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)
Q [auth a]	e4xk8a1	A: TBP-like	X: Bet v1-like	H: Bet v1-like	T: MAPEG	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F	1.10.8.110	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
V [auth f]	1.10.8.110	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
E	2.30.30.50	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
U [auth e]	2.30.30.50	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
D	3.30.1470.10	Alpha Beta	2-Layer Sandwich	Photosystem 1 Reaction Centre Subunit Ii	Chain: D	CATH (4.3.0)
T [auth d]	3.30.1470.10	Alpha Beta	2-Layer Sandwich	Photosystem 1 Reaction Centre Subunit Ii	Chain: D	CATH (4.3.0)
C	3.30.70.20	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
S [auth c]	3.30.70.20	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
B	1.20.1130.10	Mainly Alpha	Up-down Bundle	Photosystem I p700 chlorophyll A apoprotein A1	Photosystem I PsaA/PsaB	CATH (4.3.0)
R [auth b]	1.20.1130.10	Mainly Alpha	Up-down Bundle	Photosystem I p700 chlorophyll A apoprotein A1	Photosystem I PsaA/PsaB	CATH (4.3.0)
BA [auth l]	1.20.1240.10	Mainly Alpha	Up-down Bundle	Photosystem 1 Reaction Centre Subunit Xi	Chain: L	CATH (4.3.0)
L	1.20.1240.10	Mainly Alpha	Up-down Bundle	Photosystem 1 Reaction Centre Subunit Xi	Chain: L	CATH (4.3.0)
A	1.20.1130.10	Mainly Alpha	Up-down Bundle	Photosystem I p700 chlorophyll A apoprotein A1	Photosystem I PsaA/PsaB	CATH (4.3.0)
Q [auth a]	1.20.1130.10	Mainly Alpha	Up-down Bundle	Photosystem I p700 chlorophyll A apoprotein A1	Photosystem I PsaA/PsaB	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
G, W [auth g]	PF01241	Photosystem I psaG / psaK (PSI_PSAK)	Photosystem I psaG / psaK	-	Family
F, V [auth f]	PF02507	Photosystem I reaction centre subunit III (PSI_PsaF)	Photosystem I reaction centre subunit III	-	Family
D, T [auth d]	PF02531	PsaD (PsaD)	PsaD	-	Family
DA [auth 7], N [auth 2]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
CA [auth 6], M [auth 1]	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, Y [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
H, X [auth h]	Putative uncharacterized protein	-	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, W [auth g]	Photosystem I reaction center subunit V, chloroplastic	-	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
F, V [auth f]	Photosystem I reaction center subunit III, chloroplastic	phosphoprotein binding protein binding 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 plastid thylakoid lumen chloroplast thylakoid lumen thylakoid lumen
E, U [auth e]	Putative uncharacterized protein	-	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
D, T [auth d]	Uncharacterized protein	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, S [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	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
B, R [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
FA [auth 9], P [auth 4]	Chlorophyll a-b binding protein P4, chloroplastic	chlorophyll binding binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis, light harvesting in photosystem I 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
EA [auth 8], O [auth 3]	Chlorophyll a-b binding protein 3, chloroplastic	chlorophyll binding binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule 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
DA [auth 7], N [auth 2]	Type II chlorophyll a/b binding protein from photosystem I	chlorophyll binding binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis, light harvesting in photosystem I 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
CA [auth 6], M [auth 1]	Chlorophyll a-b binding protein 6, chloroplastic	protein binding binding protein domain specific binding RNA 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 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 plastoglobule plastid stroma chloroplast stroma chloroplast envelope
BA [auth l], L	Putative uncharacterized protein	-	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
AA [auth k], K	Photosystem I reaction center subunit X psaK	-	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, Z [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
A, Q [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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
I, Y [auth i]	IPR036357	Photosystem I reaction centre subunit VIII superfamily	Homologous Superfamily
I, Y [auth i]	IPR001302	Photosystem I reaction centre subunit VIII	Family
H, X [auth h]	IPR004928	Photosystem I PsaH, reaction centre subunit VI	Family
G, W [auth g]	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
G, W [auth g]	IPR017494	Photosystem I reaction center subunit V	Family
G, W [auth g]	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
G, W [auth g]	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
F, V [auth f]	IPR036577	Photosystem I PsaF, reaction centre subunit III superfamily	Homologous Superfamily
F, V [auth f]	IPR003666	Photosystem I PsaF, reaction centre subunit III	Family
E, U [auth e]	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
E, U [auth e]	IPR003375	Photosystem I PsaE, reaction centre subunit IV	Family
D, T [auth d]	IPR003685	Photosystem I PsaD	Family
D, T [auth d]	IPR036579	Photosystem I, reaction centre subunit PsaD superfamily	Homologous Superfamily
C, S [auth c]	IPR017900	4Fe-4S ferredoxin, iron-sulphur binding, conserved site	Conserved Site
C, S [auth c]	IPR050157	Photosystem I iron-sulfur center	Family
C, S [auth c]	IPR017896	4Fe-4S ferredoxin-type, iron-sulphur binding domain	Domain
C, S [auth c]	IPR017491	Photosystem I protein PsaC	Family
B, R [auth b]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
B, R [auth b]	IPR001280	Photosystem I PsaA/PsaB	Family
B, R [auth b]	IPR006244	Photosystem I PsaB	Family
B, R [auth b]	IPR020586	Photosystem I PsaA/PsaB, conserved site	Conserved Site
FA [auth 9], P [auth 4]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
FA [auth 9], P [auth 4]	IPR022796	Chlorophyll A-B binding protein	Family
EA [auth 8], O [auth 3]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
EA [auth 8], O [auth 3]	IPR022796	Chlorophyll A-B binding protein	Family
DA [auth 7], N [auth 2]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
DA [auth 7], N [auth 2]	IPR022796	Chlorophyll A-B binding protein	Family
CA [auth 6], M [auth 1]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
CA [auth 6], M [auth 1]	IPR022796	Chlorophyll A-B binding protein	Family
BA [auth l], L	IPR003757	Photosystem I PsaL, reaction centre subunit XI	Domain
BA [auth l], L	IPR022980	Photosystem I, reaction centre subunit XI	Family
BA [auth l], L	IPR036592	Photosystem I PsaL, reaction centre subunit XI superfamily	Homologous Superfamily
AA [auth k], K	IPR023618	Photosystem I PsaG/PsaK domain, chloroplastic	Homologous Superfamily
AA [auth k], K	IPR016370	Photosystem I reaction center subunit V/PsaK, plant	Family
AA [auth k], K	IPR000549	Photosystem I reaction center subunit V/PsaK	Family
AA [auth k], K	IPR035982	Photosystem I reaction centre subunit PsaK superfamily	Homologous Superfamily
AA [auth k], K	IPR017493	Photosystem I reaction center subunit psaK, plant	Family
J, Z [auth j]	IPR002615	Photosystem I PsaJ, reaction centre subunit IX	Family
J, Z [auth j]	IPR036062	Photosystem I PsaJ, reaction centre subunit IX superfamily	Homologous Superfamily
A, Q [auth a]	IPR006243	Photosystem I PsaA	Family
A, Q [auth a]	IPR036408	Photosystem I PsaA/PsaB superfamily	Homologous Superfamily
A, Q [auth a]	IPR001280	Photosystem I PsaA/PsaB	Family
A, Q [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
A, AA [auth k], B, BA [auth l], C A, AA [auth k], B, BA [auth l], C, CA [auth 6], DA [auth 7], E, EA [auth 8], F, FA [auth 9], G, H, I, J, K, L, M [auth 1], N [auth 2], O [auth 3], P [auth 4], Q [auth a], R [auth b], S [auth c], U [auth e], V [auth f], W [auth g], X [auth h], Y [auth i], Z [auth j]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem I

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, AA [auth k], B, BA [auth l], C A, AA [auth k], B, BA [auth l], C, CA [auth 6], DA [auth 7], E, EA [auth 8], F, FA [auth 9], G, H, I, J, K, L, M [auth 1], N [auth 2], O [auth 3], P [auth 4], Q [auth a], R [auth b], S [auth c], U [auth e], V [auth f], W [auth g], X [auth h], Y [auth i], Z [auth j]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, AA [auth k], B, BA [auth l], C A, AA [auth k], B, BA [auth l], C, CA [auth 6], DA [auth 7], E, EA [auth 8], F, FA [auth 9], G, H, I, J, K, L, M [auth 1], N [auth 2], O [auth 3], P [auth 4], Q [auth a], R [auth b], S [auth c], U [auth e], V [auth f], W [auth g], X [auth h], Y [auth i], Z [auth j]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, AA [auth k], B, BA [auth l], C A, AA [auth k], B, BA [auth l], C, CA [auth 6], DA [auth 7], E, EA [auth 8], F, FA [auth 9], G, H, I, J, K, L, M [auth 1], N [auth 2], O [auth 3], P [auth 4], Q [auth a], R [auth b], S [auth c], U [auth e], V [auth f], W [auth g], X [auth h], Y [auth i], Z [auth j]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Photosystems	Photosystem I (plant)