7COU | pdb_00007cou

Structure of cyanobacterial photosystem II in the dark S1 state

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
CA [auth j]	d7couj_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II reaction center protein J, PsbJ	PsbJ-like	automated matches	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
BA [auth i]	d7coui_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II reaction center protein I, PsbI	PsbI-like	Photosystem II reaction center protein I, PsbI	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
G [auth H]	d7couh_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II 10 kDa phosphoprotein PsbH	PsbH-like	Photosystem II reaction center protein H, PsbH	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
F	d7couf_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Cytochrome b559 subunits	Cytochrome b559 subunits	Cytochrome b559 subunit beta, PsbF	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
Y [auth e]	d7coue_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Cytochrome b559 subunits	Cytochrome b559 subunits	Cytochrome b559 subunit alpha, PsbE	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
D	d7coud_	Membrane and cell surface proteins and peptides	Bacterial photosystem II reaction centre, L and M subunits	Bacterial photosystem II reaction centre, L and M subunits	Bacterial photosystem II reaction centre, L and M subunits	automated matches	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
C	d7couc_	Membrane and cell surface proteins and peptides	Photosystem II antenna protein-like	Photosystem II antenna protein-like	Photosystem II antenna protein-like	automated matches	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
B	d7coub_	Membrane and cell surface proteins and peptides	Photosystem II antenna protein-like	Photosystem II antenna protein-like	Photosystem II antenna protein-like	automated matches	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
S [auth Z]	d7couz_	Membrane and cell surface proteins and peptides	Transmembrane helix hairpin	PsbZ-like	PsbZ-like	Photosystem II reaction center protein Z, PsbZ	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
Q [auth X]	d7coux_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II reaction center protein X, PsbX	PsbX-like	automated matches	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
P [auth V]	d7couv_	All alpha proteins	Cytochrome c	Cytochrome c	monodomain cytochrome c	Cytochrome c550	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
O [auth U]	d7couu_	All alpha proteins	SAM domain-like	PsbU/PolX domain-like	PsbU-like	Photosystem II 12 kDa extrinsic protein PsbU	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
HA [auth t]	d7cout_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II reaction center protein T, PsbT	PsbT-like	Photosystem II reaction center protein T, PsbT	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
M [auth O]	d7couo_	Membrane and cell surface proteins and peptides	Transmembrane beta-barrels	OMPA-like	PsbO-like	Manganese-stabilising protein, PsbO	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
FA [auth m]	d7coum_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II reaction center protein M, PsbM	PsbM-like	Photosystem II reaction center protein M, PsbM	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
K [auth L]	d7coul_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II reaction center protein L, PsbL	PsbL-like	Photosystem II reaction center protein L, PsbL	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
J [auth K]	d7couk_	Membrane and cell surface proteins and peptides	Single transmembrane helix	Photosystem II reaction center protein K, PsbK	PsbK-like	Photosystem II reaction center protein K, PsbK	(Thermostichus vulcanus ) [TaxId: 32053 ],	SCOPe (2.08)
A	d7coua_	Membrane and cell surface proteins and peptides	Bacterial photosystem II reaction centre, L and M subunits	Bacterial photosystem II reaction centre, L and M subunits	Bacterial photosystem II reaction centre, L and M subunits	automated matches	(Thermostichus vulcanus ) [TaxId: 32053 ],	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	Photosystem II reaction center protein J, PsbJ	8099970	3001534	SCOP2B (2022-06-29)
CA [auth j]	SCOP2B Superfamily	Photosystem II reaction center protein J, PsbJ	8099970	3001534	SCOP2B (2022-06-29)
H [auth I]	SCOP2B Superfamily	Photosystem II reaction center protein I, PsbI	8098486	3001590	SCOP2B (2022-06-29)
BA [auth i]	SCOP2B Superfamily	Photosystem II reaction center protein I, PsbI	8098486	3001590	SCOP2B (2022-06-29)
G [auth H]	SCOP2B Superfamily	Photosystem II 10 kDa phosphoprotein PsbH	8098552	3001547	SCOP2B (2022-06-29)
AA [auth h]	SCOP2B Superfamily	Photosystem II 10 kDa phosphoprotein PsbH	8098552	3001547	SCOP2B (2022-06-29)
Z [auth f]	SCOP2B Superfamily	Cytochrome b559 subunits	8098484	3001602	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Cytochrome b559 subunits	8098484	3001602	SCOP2B (2022-06-29)
Y [auth e]	SCOP2B Superfamily	Cytochrome b559 subunits	8098482	3001602	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Cytochrome b559 subunits	8098482	3001602	SCOP2B (2022-06-29)
X [auth d]	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8097554	3000736	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8097554	3000736	SCOP2B (2022-06-29)
W [auth c]	SCOP2B Superfamily	Photosystem II antenna protein-like	8097552	3001674	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Photosystem II antenna protein-like	8097552	3001674	SCOP2B (2022-06-29)
V [auth b]	SCOP2B Superfamily	Photosystem II antenna protein-like	8097548	3001674	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Photosystem II antenna protein-like	8097548	3001674	SCOP2B (2022-06-29)
S [auth Z]	SCOP2B Superfamily	PsbZ-like	8093510	3001624	SCOP2B (2022-06-29)
MA [auth z]	SCOP2B Superfamily	PsbZ-like	8093510	3001624	SCOP2B (2022-06-29)
R [auth Y]	SCOP2B Superfamily	Photosystem II reaction center protein Ycf12	8093135	3002680	SCOP2B (2022-06-29)
LA [auth y]	SCOP2B Superfamily	Photosystem II reaction center protein Ycf12	8093135	3002680	SCOP2B (2022-06-29)
N [auth T]	SCOP2B Superfamily	Photosystem II reaction center protein T, PsbT	8101519	3001561	SCOP2B (2022-06-29)
HA [auth t]	SCOP2B Superfamily	Photosystem II reaction center protein T, PsbT	8101519	3001561	SCOP2B (2022-06-29)
M [auth O]	SCOP2B Superfamily	OMPA barrel-like	8097550	3000208	SCOP2B (2022-06-29)
GA [auth o]	SCOP2B Superfamily	OMPA barrel-like	8097550	3000208	SCOP2B (2022-06-29)
L [auth M]	SCOP2B Superfamily	Photosystem II reaction center protein M, PsbM	8087180	3001573	SCOP2B (2022-06-29)
FA [auth m]	SCOP2B Superfamily	Photosystem II reaction center protein M, PsbM	8087180	3001573	SCOP2B (2022-06-29)
K [auth L]	SCOP2B Superfamily	Photosystem II reaction center protein L, PsbL	8093612	3001523	SCOP2B (2022-06-29)
EA [auth l]	SCOP2B Superfamily	Photosystem II reaction center protein L, PsbL	8093612	3001523	SCOP2B (2022-06-29)
J [auth K]	SCOP2B Superfamily	Photosystem II reaction center protein K, PsbK	8088607	3001585	SCOP2B (2022-06-29)
DA [auth k]	SCOP2B Superfamily	Photosystem II reaction center protein K, PsbK	8088607	3001585	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]	V-set	e7couJ1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
CA [auth j]	V-set	e7couj1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
H [auth I]	V-set	e7couI1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
BA [auth i]	V-set	e7coui1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
G [auth H]	V-set	e7couH1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
AA [auth h]	V-set	e7couh1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
Z [auth f]	V-set	e7couf1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
F	V-set	e7couF1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
Y [auth e]	V-set	e7coue1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
E	V-set	e7couE1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
X [auth d]	V-set	e7coud1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
D	V-set	e7couD1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
W [auth c]	V-set	e7couc1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
C	V-set	e7couC1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
T [auth R]	V-set	e7couR1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
V [auth b]	V-set	e7coub1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
B	V-set	e7couB1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
S [auth Z]	V-set	e7couZ1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
MA [auth z]	V-set	e7couz1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
R [auth Y]	V-set	e7couY1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
LA [auth y]	V-set	e7couy1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
Q [auth X]	V-set	e7couX1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
KA [auth x]	V-set	e7coux1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
P [auth V]	V-set	e7couV1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
JA [auth v]	V-set	e7couv1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
O [auth U]	V-set	e7couU1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
IA [auth u]	V-set	e7couu1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
N [auth T]	V-set	e7couT1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
HA [auth t]	V-set	e7cout1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
M [auth O]	V-set	e7couO1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
GA [auth o]	V-set	e7couo1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
L [auth M]	V-set	e7couM1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
FA [auth m]	V-set	e7coum1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
K [auth L]	V-set	e7couL1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
EA [auth l]	V-set	e7coul1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
J [auth K]	V-set	e7couK1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
DA [auth k]	V-set	e7couk1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
U [auth a]	V-set	e7coua1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)
A	V-set	e7couA1	A: alpha bundles	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: V-set	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
Y [auth e]	1.20.5.860	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Photosystem II cytochrome b559, alpha subunit	CATH (utative)
E	1.20.5.860	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Photosystem II cytochrome b559, alpha subunit	CATH (utative)
U [auth a]	1.20.85.10	Mainly Alpha	Up-down Bundle	Photosynthetic Reaction Center, subunit M	domain 1	CATH (utative)
A	1.20.85.10	Mainly Alpha	Up-down Bundle	Photosynthetic Reaction Center, subunit M	domain 1	CATH (utative)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
CA [auth j], I [auth J]	Photosystem II reaction center protein J	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
BA [auth i], H [auth I]	Photosystem II reaction center protein I	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
AA [auth h], G [auth H]	Photosystem II reaction center protein H	ion binding binding anion binding phosphate ion binding small molecule binding	regulation of protein stability biological regulation regulation of biological quality protein stabilization photosynthesis metabolic process cellular process	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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
F, Z [auth f]	Cytochrome b559 subunit beta	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain 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 photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
E, Y [auth e]	Cytochrome b559 subunit alpha	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain 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 photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
D, X [auth d]	Photosystem II D2 protein	oxidoreductase activity oxygen evolving activity catalytic activity chlorophyll binding binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain photosynthetic electron transport in photosystem II 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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
C, W [auth c]	Photosystem II CP43 reaction center protein	chlorophyll binding binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain photosynthetic electron transport in photosystem II 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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
T [auth R]	Photosystem II protein Y	cation binding manganese ion binding transition metal ion binding ion binding binding metal ion binding small molecule binding	photosynthesis metabolic process cellular process	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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
B, V [auth b]	Photosystem II CP47 reaction center protein	chlorophyll binding binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain photosynthetic electron transport in photosystem II 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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
MA [auth z], S [auth Z]	Photosystem II reaction center protein Z	-	photosynthesis metabolic process cellular process regulation of biological process regulation of cellular process regulation of photosynthesis photosynthesis, light reaction photosystem II stabilization regulation of photosynthesis, light reaction biological regulation regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy regulation of metabolic process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
LA [auth y], R [auth Y]	Photosystem II reaction center protein Ycf12	-	photosynthesis metabolic process cellular process	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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
KA [auth x], Q [auth X]	Photosystem II reaction center protein X	-	photosynthesis metabolic process cellular process	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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
JA [auth v], P [auth V]	Cytochrome c-550	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction metabolic process cellular process generation of precursor metabolites and energy cellular respiration energy derivation by oxidation of organic compounds respiratory electron transport chain electron transport chain	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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
IA [auth u], O [auth U]	Photosystem II 12 kDa extrinsic protein	-	photosynthesis metabolic process cellular process regulation of biological process regulation of cellular process regulation of photosynthesis photosynthesis, light reaction photosystem II stabilization regulation of photosynthesis, light reaction biological regulation regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy regulation of metabolic process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid extrinsic component of membrane protein-containing complex photosystem catalytic complex photosystem II membrane protein complex photosystem II oxygen evolving complex oxidoreductase complex
HA [auth t], N [auth T]	Photosystem II reaction center protein T	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
GA [auth o], M [auth O]	Photosystem II manganese-stabilizing polypeptide	oxidoreductase activity oxygen evolving activity catalytic activity	photosynthesis protein-containing complex organization photosynthesis, light reaction generation of precursor metabolites and energy photosystem II assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex assembly cellular process metabolic process cellular component organization or biogenesis regulation of biological process regulation of cellular process photosynthesis protein-containing complex organization photosynthesis, light reaction generation of precursor metabolites and energy photosystem II assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex assembly cellular process metabolic process cellular component organization or biogenesis regulation of biological process regulation of cellular process regulation of photosynthesis photosystem II stabilization regulation of photosynthesis, light reaction biological regulation regulation of generation of precursor metabolites and energy regulation of metabolic process	intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region intracellular anatomical structure plasma membrane-derived chromatophore membrane membrane plasma membrane intracellular membraneless organelle plasma membrane-derived chromatophore thylakoid membrane intracellular organelle cell periphery cellular anatomical structure plasma membrane-derived thylakoid membrane organelle membraneless organelle plasma membrane region bacterial thylakoid cytoplasm photosynthetic membrane thylakoid protein-containing complex photosystem catalytic complex photosystem II membrane protein complex photosystem II oxygen evolving complex oxidoreductase complex
FA [auth m], L [auth M]	Photosystem II reaction center protein M	-	photosynthesis photosynthesis, light reaction 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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
EA [auth l], K [auth L]	Photosystem II reaction center protein L	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
DA [auth k], J [auth K]	Photosystem II reaction center protein K	-	photosynthesis metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex intracellular membraneless organelle photosystem II reaction center intracellular organelle cellular anatomical structure organelle membraneless organelle photosynthetic membrane thylakoid plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm
A, U [auth a]	Photosystem II protein D1	oxidoreductase activity oxygen evolving activity catalytic activity chlorophyll binding binding tetrapyrrole binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor oxidoreductase activity, acting on diphenols and related substances as donors oxidoreductase activity oxygen evolving activity catalytic activity chlorophyll binding binding tetrapyrrole binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor oxidoreductase activity, acting on diphenols and related substances as donors electron transfer activity	response to stimulus response to chemical response to stress response to herbicide response to toxic substance photosynthesis photosynthesis, light reaction photosynthetic electron transport chain electron transport chain photosynthetic electron transport in photosystem II 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 plasma membrane-derived chromatophore 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 plasma membrane-derived chromatophore membrane plasma membrane plasma membrane-derived chromatophore thylakoid membrane cell periphery plasma membrane-derived thylakoid membrane plasma membrane region bacterial thylakoid cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
CA [auth j], I [auth J]	IPR002682	Photosystem II PsbJ	Family
CA [auth j], I [auth J]	IPR037267	Photosystem II PsbJ superfamily	Homologous Superfamily
BA [auth i], H [auth I]	IPR037271	Photosystem II PsbI superfamily	Homologous Superfamily
BA [auth i], H [auth I]	IPR003686	Photosystem II PsbI	Family
AA [auth h], G [auth H]	IPR036863	Photosystem II reaction centre protein H superfamily	Homologous Superfamily
AA [auth h], G [auth H]	IPR001056	Photosystem II reaction centre protein H	Family
F, Z [auth f]	IPR006241	Photosystem II cytochrome b559, beta subunit	Family
F, Z [auth f]	IPR013081	Photosystem II cytochrome b559, N-terminal	Domain
F, Z [auth f]	IPR006216	Photosystem II cytochrome b559, conserved site	Conserved Site
E, Y [auth e]	IPR013081	Photosystem II cytochrome b559, N-terminal	Domain
E, Y [auth e]	IPR006217	Photosystem II cytochrome b559, alpha subunit	Family
E, Y [auth e]	IPR013082	Photosystem II cytochrome b559, alpha subunit, lumenal region	Domain
E, Y [auth e]	IPR037025	Photosystem II cytochrome b559, alpha subunit superfamily	Homologous Superfamily
E, Y [auth e]	IPR006216	Photosystem II cytochrome b559, conserved site	Conserved Site
D, X [auth d]	IPR005868	Photosystem II D2	Family
D, X [auth d]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
D, X [auth d]	IPR000484	Photosynthetic reaction centre, L/M	Family
D, X [auth d]	IPR055265	Photosynthetic reaction centre, L/M, conserved site	Conserved Site
D, X [auth d]	IPR055266	Photosystem II protein D1/D2	Family
C, W [auth c]	IPR036001	Photosystem antenna protein-like superfamily	Homologous Superfamily
C, W [auth c]	IPR000932	Photosystem antenna protein-like	Family
C, W [auth c]	IPR005869	Photosystem II CP43 reaction centre protein	Family
C, W [auth c]	IPR044900	Photosystem II CP43 reaction centre protein superfamily	Homologous Superfamily
T [auth R]	IPR009388	Photosystem II PsbY	Family
B, V [auth b]	IPR036001	Photosystem antenna protein-like superfamily	Homologous Superfamily
B, V [auth b]	IPR000932	Photosystem antenna protein-like	Family
B, V [auth b]	IPR017486	Photosystem II CP47 reaction centre protein	Family
MA [auth z], S [auth Z]	IPR036512	Photosystem II PsbZ superfamily	Homologous Superfamily
MA [auth z], S [auth Z]	IPR002644	Photosystem II PsbZ, reaction centre	Family
LA [auth y], R [auth Y]	IPR010284	Photosystem II reaction center protein Ycf12	Family
KA [auth x], Q [auth X]	IPR009518	Photosystem II PsbX	Family
KA [auth x], Q [auth X]	IPR023431	Photosystem II PsbX, type 1 subfamily	Family
JA [auth v], P [auth V]	IPR017851	Photosystem II extrinsic protein V, cytochrome c-550 precursor	Family
JA [auth v], P [auth V]	IPR016003	Photosystem II extrinsic protein V, cytochrome c-550 precursor-like	Family
JA [auth v], P [auth V]	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
JA [auth v], P [auth V]	IPR009056	Cytochrome c-like domain	Domain
JA [auth v], P [auth V]	IPR029490	Cytochrome c-550 domain	Domain
IA [auth u], O [auth U]	IPR010527	Photosystem II PsbU, oxygen evolving complex	Family
HA [auth t], N [auth T]	IPR001743	Photosystem II PsbT	Family
HA [auth t], N [auth T]	IPR037268	Photosystem II PsbT superfamily	Homologous Superfamily
GA [auth o], M [auth O]	IPR011250	Outer membrane protein/outer membrane enzyme PagP, beta-barrel	Homologous Superfamily
GA [auth o], M [auth O]	IPR002628	Photosystem II extrinsic protein O	Family
FA [auth m], L [auth M]	IPR007826	Photosystem II PsbM	Family
FA [auth m], L [auth M]	IPR037269	Photosystem II PsbM superfamily	Homologous Superfamily
EA [auth l], K [auth L]	IPR003372	Photosystem II PsbL	Family
EA [auth l], K [auth L]	IPR037266	Photosystem II PsbL superfamily	Homologous Superfamily
DA [auth k], J [auth K]	IPR037270	Photosystem II PsbK superfamily	Homologous Superfamily
DA [auth k], J [auth K]	IPR003687	Photosystem II PsbK	Family
A, U [auth a]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
A, U [auth a]	IPR005867	Photosystem II protein D1	Family
A, U [auth a]	IPR000484	Photosynthetic reaction centre, L/M	Family
A, U [auth a]	IPR055265	Photosynthetic reaction centre, L/M, conserved site	Conserved Site
A, U [auth a]	IPR055266	Photosystem II protein D1/D2	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, AA [auth h], B, BA [auth i], C A, AA [auth h], B, BA [auth i], C, CA [auth j], D, DA [auth k], E, EA [auth l], F, FA [auth m], G [auth H], GA [auth o], H [auth I], HA [auth t], I [auth J], IA [auth u], J [auth K], JA [auth v], K [auth L], KA [auth x], L [auth M], LA [auth y], M [auth O], MA [auth z], N [auth T], O [auth U], P [auth V], Q [auth X], R [auth Y], S [auth Z], T [auth R], U [auth a], V [auth b], W [auth c], X [auth d], Y [auth e], Z [auth f]	OPM	Transmembrane	Alpha-helical polytopic	Photosystems	Photosystem II

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, AA [auth h], B, BA [auth i], C A, AA [auth h], B, BA [auth i], C, CA [auth j], D, DA [auth k], E, EA [auth l], F, FA [auth m], G [auth H], GA [auth o], H [auth I], HA [auth t], I [auth J], IA [auth u], J [auth K], JA [auth v], K [auth L], KA [auth x], L [auth M], LA [auth y], M [auth O], MA [auth z], N [auth T], O [auth U], P [auth V], Q [auth X], R [auth Y], S [auth Z], T [auth R], U [auth a], V [auth b], W [auth c], X [auth d], Y [auth e], Z [auth f]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, AA [auth h], B, BA [auth i], C A, AA [auth h], B, BA [auth i], C, CA [auth j], D, DA [auth k], E, EA [auth l], F, FA [auth m], G [auth H], GA [auth o], H [auth I], HA [auth t], I [auth J], IA [auth u], J [auth K], JA [auth v], K [auth L], KA [auth x], L [auth M], LA [auth y], M [auth O], MA [auth z], N [auth T], O [auth U], P [auth V], Q [auth X], R [auth Y], S [auth Z], T [auth R], U [auth a], V [auth b], W [auth c], X [auth d], Y [auth e], Z [auth f]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Photosystems	Photosystem II, in the dark S1 state

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
BA [auth i], H [auth I]	FME	Parent Component: MET RESID: AA0021 , AA0566 PSI-MOD : N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891
HA [auth t], N [auth T]	FME	Parent Component: MET RESID: AA0021 , AA0566 , AA0021 , AA0566 PSI-MOD : N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 , N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891
FA [auth m], L [auth M]	FME	Parent Component: MET RESID: AA0021 , AA0566 , AA0021 , AA0566 , AA0021 , AA0566 PSI-MOD : N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 , N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891 , N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891