7N8O

High-resolution structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Photosystem II antenna protein-like	8098282	3001674	SCOP2B (2022-06-29)
W [auth b]	SCOP2B Superfamily	Photosystem II antenna protein-like	8098282	3001674	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Photosystem II antenna protein-like	8098322	3001674	SCOP2B (2022-06-29)
X [auth c]	SCOP2B Superfamily	Photosystem II antenna protein-like	8098322	3001674	SCOP2B (2022-06-29)
Y [auth d]	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8098320	3000736	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8098320	3000736	SCOP2B (2022-06-29)
AA [auth f]	SCOP2B Superfamily	Cytochrome b559 subunits	8098318	3001602	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Cytochrome b559 subunits	8098318	3001602	SCOP2B (2022-06-29)
CA [auth i]	SCOP2B Superfamily	Photosystem II reaction center protein I, PsbI	8099534	3001590	SCOP2B (2022-06-29)
H [auth I]	SCOP2B Superfamily	Photosystem II reaction center protein I, PsbI	8099534	3001590	SCOP2B (2022-06-29)
EA [auth k]	SCOP2B Superfamily	Photosystem II reaction center protein K, PsbK	8098520	3001585	SCOP2B (2022-06-29)
J [auth K]	SCOP2B Superfamily	Photosystem II reaction center protein K, PsbK	8098520	3001585	SCOP2B (2022-06-29)
MA [auth v]	SCOP2B Superfamily	Cytochrome c	8032498	3000815	SCOP2B (2022-06-29)
R [auth V]	SCOP2B Superfamily	Cytochrome c	8032498	3000815	SCOP2B (2022-06-29)
U [auth Z]	SCOP2B Superfamily	PsbZ-like	8106246	3001624	SCOP2B (2022-06-29)
PA [auth z]	SCOP2B Superfamily	PsbZ-like	8106246	3001624	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8098522	3000736	SCOP2B (2022-06-29)
V [auth a]	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8098522	3000736	SCOP2B (2022-06-29)
FA [auth l]	SCOP2B Superfamily	Photosystem II reaction center protein L, PsbL	8099538	3001523	SCOP2B (2022-06-29)
K [auth L]	SCOP2B Superfamily	Photosystem II reaction center protein L, PsbL	8099538	3001523	SCOP2B (2022-06-29)
L [auth M]	SCOP2B Superfamily	Photosystem II reaction center protein M, PsbM	8101579	3001573	SCOP2B (2022-06-29)
GA [auth m]	SCOP2B Superfamily	Photosystem II reaction center protein M, PsbM	8101579	3001573	SCOP2B (2022-06-29)
HA [auth o]	SCOP2B Superfamily	OMPA barrel-like	8106230	3000208	SCOP2B (2022-06-29)
M [auth O]	SCOP2B Superfamily	OMPA barrel-like	8106230	3000208	SCOP2B (2022-06-29)
Q [auth U]	SCOP2B Superfamily	PsbU/PolX domain-like	8106294	3000893	SCOP2B (2022-06-29)
LA [auth u]	SCOP2B Superfamily	PsbU/PolX domain-like	8106294	3000893	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Cytochrome b559 subunits	8098316	3001602	SCOP2B (2022-06-29)
Z [auth e]	SCOP2B Superfamily	Cytochrome b559 subunits	8098316	3001602	SCOP2B (2022-06-29)
G [auth H]	SCOP2B Superfamily	Photosystem II 10 kDa phosphoprotein PsbH	8098516	3001547	SCOP2B (2022-06-29)
BA [auth h]	SCOP2B Superfamily	Photosystem II 10 kDa phosphoprotein PsbH	8098516	3001547	SCOP2B (2022-06-29)
I [auth J]	SCOP2B Superfamily	Photosystem II reaction center protein J, PsbJ	8106244	3001534	SCOP2B (2022-06-29)
DA [auth j]	SCOP2B Superfamily	Photosystem II reaction center protein J, PsbJ	8106244	3001534	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)
B	PSII_1st	e7n8oB1	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: PSII_1st	ECOD (1.6)
B	PSII_2nd	e7n8oB2	A: a+b two layers	X: Photosystem II antenna protein PsbB insertion domain (From Topology)	H: Photosystem II antenna protein PsbB insertion domain (From Topology)	T: Photosystem II antenna protein PsbB insertion domain	F: PSII_2nd	ECOD (1.6)
W [auth b]	PSII_1st	e7n8ob1	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: PSII_1st	ECOD (1.6)
W [auth b]	PSII_2nd	e7n8ob2	A: a+b two layers	X: Photosystem II antenna protein PsbB insertion domain (From Topology)	H: Photosystem II antenna protein PsbB insertion domain (From Topology)	T: Photosystem II antenna protein PsbB insertion domain	F: PSII_2nd	ECOD (1.6)
C	PSII_1st	e7n8oC1	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: PSII_1st	ECOD (1.6)
X [auth c]	PSII_1st	e7n8oc1	A: alpha bundles	X: Photosystem II antenna protein-like (From Topology)	H: Photosystem II antenna protein-like (From Topology)	T: Photosystem II antenna protein-like	F: PSII_1st	ECOD (1.6)
Y [auth d]	Photo_RC	e7n8od1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: Photo_RC	ECOD (1.6)
D	Photo_RC	e7n8oD1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: Photo_RC	ECOD (1.6)
AA [auth f]	Cytochrom_B559	e7n8of1	A: extended segments	X: Cytochrome b559 subunits (From Topology)	H: Cytochrome b559 subunits (From Topology)	T: Cytochrome b559 subunits	F: Cytochrom_B559	ECOD (1.6)
F	Cytochrom_B559	e7n8oF1	A: extended segments	X: Cytochrome b559 subunits (From Topology)	H: Cytochrome b559 subunits (From Topology)	T: Cytochrome b559 subunits	F: Cytochrom_B559	ECOD (1.6)
CA [auth i]	PsbI	e7n8oi1	A: extended segments	X: Photosystem II reaction center protein I, PsbI (From Topology)	H: Photosystem II reaction center protein I, PsbI (From Topology)	T: Photosystem II reaction center protein I, PsbI	F: PsbI	ECOD (1.6)
H [auth I]	PsbI	e7n8oI1	A: extended segments	X: Photosystem II reaction center protein I, PsbI (From Topology)	H: Photosystem II reaction center protein I, PsbI (From Topology)	T: Photosystem II reaction center protein I, PsbI	F: PsbI	ECOD (1.6)
EA [auth k]	PsbK	e7n8ok1	A: extended segments	X: Photosystem II reaction center protein K, PsbK (From Topology)	H: Photosystem II reaction center protein K, PsbK (From Topology)	T: Photosystem II reaction center protein K, PsbK	F: PsbK	ECOD (1.6)
J [auth K]	PsbK	e7n8oK1	A: extended segments	X: Photosystem II reaction center protein K, PsbK (From Topology)	H: Photosystem II reaction center protein K, PsbK (From Topology)	T: Photosystem II reaction center protein K, PsbK	F: PsbK	ECOD (1.6)
IA [auth q]	PsbQ_1	e7n8oq1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Oxygen-evolving enhancer protein 3 (From Topology)	T: Oxygen-evolving enhancer protein 3	F: PsbQ_1	ECOD (1.6)
N [auth Q]	PsbQ_1	e7n8oQ1	A: alpha bundles	X: Four-helical up-and-down bundle	H: Oxygen-evolving enhancer protein 3 (From Topology)	T: Oxygen-evolving enhancer protein 3	F: PsbQ_1	ECOD (1.6)
KA [auth t]	F_UNCLASSIFIED	e7n8ot1	A: extended segments	X: Photosystem II reaction center protein T, PsbT (From Topology)	H: Photosystem II reaction center protein T, PsbT (From Topology)	T: Photosystem II reaction center protein T, PsbT	F: F_UNCLASSIFIED	ECOD (1.6)
P [auth T]	F_UNCLASSIFIED	e7n8oT1	A: extended segments	X: Photosystem II reaction center protein T, PsbT (From Topology)	H: Photosystem II reaction center protein T, PsbT (From Topology)	T: Photosystem II reaction center protein T, PsbT	F: F_UNCLASSIFIED	ECOD (1.6)
MA [auth v]	Cytochrom_C550	e7n8ov1	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: Cytochrom_C550	ECOD (1.6)
R [auth V]	Cytochrom_C550	e7n8oV1	A: alpha arrays	X: Cytochrome c-like	H: Cytochrome c (From Topology)	T: Cytochrome c	F: Cytochrom_C550	ECOD (1.6)
T [auth Y]	PSII_Ycf12	e7n8oY1	A: extended segments	X: Photosystem II reaction center protein ycf12 (From Topology)	H: Photosystem II reaction center protein ycf12 (From Topology)	T: Photosystem II reaction center protein ycf12	F: PSII_Ycf12	ECOD (1.6)
OA [auth y]	PSII_Ycf12	e7n8oy1	A: extended segments	X: Photosystem II reaction center protein ycf12 (From Topology)	H: Photosystem II reaction center protein ycf12 (From Topology)	T: Photosystem II reaction center protein ycf12	F: PSII_Ycf12	ECOD (1.6)
U [auth Z]	Ycf9	e7n8oZ1	A: extended segments	X: PsbZ-like (From Topology)	H: PsbZ-like (From Topology)	T: PsbZ-like	F: Ycf9	ECOD (1.6)
PA [auth z]	Ycf9	e7n8oz1	A: extended segments	X: PsbZ-like (From Topology)	H: PsbZ-like (From Topology)	T: PsbZ-like	F: Ycf9	ECOD (1.6)
A	Photo_RC	e7n8oA1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: Photo_RC	ECOD (1.6)
V [auth a]	Photo_RC	e7n8oa1	A: alpha bundles	X: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	H: Bacterial photosystem II reaction centre L and M subunits-like (From Topology)	T: Bacterial photosystem II reaction centre L and M subunits-like	F: Photo_RC	ECOD (1.6)
FA [auth l]	PsbL	e7n8ol1	A: extended segments	X: Photosystem II reaction center protein L, PsbL (From Topology)	H: Photosystem II reaction center protein L, PsbL (From Topology)	T: Photosystem II reaction center protein L, PsbL	F: PsbL	ECOD (1.6)
K [auth L]	PsbL	e7n8oL1	A: extended segments	X: Photosystem II reaction center protein L, PsbL (From Topology)	H: Photosystem II reaction center protein L, PsbL (From Topology)	T: Photosystem II reaction center protein L, PsbL	F: PsbL	ECOD (1.6)
L [auth M]	PsbM	e7n8oM1	A: extended segments	X: Photosystem II reaction center protein M, PsbM (From Topology)	H: Photosystem II reaction center protein M, PsbM (From Topology)	T: Photosystem II reaction center protein M, PsbM	F: PsbM	ECOD (1.6)
GA [auth m]	PsbM	e7n8om1	A: extended segments	X: Photosystem II reaction center protein M, PsbM (From Topology)	H: Photosystem II reaction center protein M, PsbM (From Topology)	T: Photosystem II reaction center protein M, PsbM	F: PsbM	ECOD (1.6)
HA [auth o]	MSP	e7n8oo1	A: beta barrels	X: Outer membrane meander beta-barrels	H: OMPA-like (From Topology)	T: OMPA-like	F: MSP	ECOD (1.6)
M [auth O]	MSP	e7n8oO1	A: beta barrels	X: Outer membrane meander beta-barrels	H: OMPA-like (From Topology)	T: OMPA-like	F: MSP	ECOD (1.6)
JA [auth r]	PsbY	e7n8or1	A: extended segments	X: Photosystem II protein Y, psbY (From Topology)	H: Photosystem II protein Y, psbY (From Topology)	T: Photosystem II protein Y, psbY	F: PsbY	ECOD (1.6)
O [auth R]	PsbY	e7n8oR1	A: extended segments	X: Photosystem II protein Y, psbY (From Topology)	H: Photosystem II protein Y, psbY (From Topology)	T: Photosystem II protein Y, psbY	F: PsbY	ECOD (1.6)
Q [auth U]	PsbU	e7n8oU1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: PsbU	ECOD (1.6)
LA [auth u]	PsbU	e7n8ou1	A: alpha arrays	X: HhH/H2TH	H: SAM/DNA-glycosylase	T: SAM domain-like	F: PsbU	ECOD (1.6)
NA [auth x]	PsbX	e7n8ox1	A: extended segments	X: Photosystem II PsbX protein (From Topology)	H: Photosystem II PsbX protein (From Topology)	T: Photosystem II PsbX protein	F: PsbX	ECOD (1.6)
S [auth X]	PsbX	e7n8oX1	A: extended segments	X: Photosystem II PsbX protein (From Topology)	H: Photosystem II PsbX protein (From Topology)	T: Photosystem II PsbX protein	F: PsbX	ECOD (1.6)
E	Cytochrom_B559a	e7n8oE1	A: extended segments	X: Cytochrome b559 subunits (From Topology)	H: Cytochrome b559 subunits (From Topology)	T: Cytochrome b559 subunits	F: Cytochrom_B559a	ECOD (1.6)
Z [auth e]	Cytochrom_B559a	e7n8oe1	A: extended segments	X: Cytochrome b559 subunits (From Topology)	H: Cytochrome b559 subunits (From Topology)	T: Cytochrome b559 subunits	F: Cytochrom_B559a	ECOD (1.6)
G [auth H]	PsbH	e7n8oH1	A: extended segments	X: Photosystem II 10 kDa phosphoprotein PsbH (From Topology)	H: Photosystem II 10 kDa phosphoprotein PsbH (From Topology)	T: Photosystem II 10 kDa phosphoprotein PsbH	F: PsbH	ECOD (1.6)
BA [auth h]	PsbH	e7n8oh1	A: extended segments	X: Photosystem II 10 kDa phosphoprotein PsbH (From Topology)	H: Photosystem II 10 kDa phosphoprotein PsbH (From Topology)	T: Photosystem II 10 kDa phosphoprotein PsbH	F: PsbH	ECOD (1.6)
I [auth J]	PsbJ	e7n8oJ1	A: extended segments	X: Photosystem II reaction center protein J, PsbJ (From Topology)	H: Photosystem II reaction center protein J, PsbJ (From Topology)	T: Photosystem II reaction center protein J, PsbJ	F: PsbJ	ECOD (1.6)
DA [auth j]	PsbJ	e7n8oj1	A: extended segments	X: Photosystem II reaction center protein J, PsbJ (From Topology)	H: Photosystem II reaction center protein J, PsbJ (From Topology)	T: Photosystem II reaction center protein J, PsbJ	F: PsbJ	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C, X [auth c]	PF00421	Photosystem II protein (PSII)	Photosystem II protein	-	Family
D, Y [auth d]	PF00124	Photosynthetic reaction centre protein (Photo_RC)	Photosynthetic reaction centre protein	-	Family
CA [auth i], H [auth I]	PF02532	Photosystem II reaction centre I protein (PSII 4.8 kDa protein) (PsbI)	Photosystem II reaction centre I protein (PSII 4.8 kDa protein)	-	Family
KA [auth t], P [auth T]	PF01405	Photosystem II reaction centre T protein (PsbT)	Photosystem II reaction centre T protein	-	Family
MA [auth v], R [auth V]	PF14495	Cytochrome c-550 domain (Cytochrom_C550)	Cytochrome c-550 domain	This domain is a heme binding cytochrome known as cytochrome c550, or cytochrome c549, or PsbV [1].	Domain
PA [auth z], U [auth Z]	PF01737	YCF9 (Ycf9)	YCF9	-	Family
A, V [auth a]	PF00124	Photosynthetic reaction centre protein (Photo_RC)	Photosynthetic reaction centre protein	-	Family
FA [auth l], K [auth L]	PF02419	PsbL protein (PsbL)	PsbL protein	-	Family
GA [auth m], L [auth M]	PF05151	Photosystem II reaction centre M protein (PsbM) (PsbM)	Photosystem II reaction centre M protein (PsbM)	-	Family
HA [auth o], M [auth O]	PF01716	Manganese-stabilising protein / photosystem II polypeptide (MSP)	Manganese-stabilising protein / photosystem II polypeptide	-	Family
LA [auth u], Q [auth U]	PF06514	Photosystem II 12 kDa extrinsic protein (PsbU) (PsbU)	Photosystem II 12 kDa extrinsic protein (PsbU)	-	Family
NA [auth x], S [auth X]	PF06596	Photosystem II reaction centre X protein (PsbX) (PsbX)	Photosystem II reaction centre X protein (PsbX)	-	Family
E, Z [auth e]	PF00283	Cytochrome b559, alpha (gene psbE) and beta (gene psbF)subunits (Cytochrom_B559)	Cytochrome b559, alpha (gene psbE) and beta (gene psbF)subunits	-	Family
E, Z [auth e]	PF00284	Lumenal portion of Cytochrome b559, alpha (gene psbE) subunit (Cytochrom_B559a)	Lumenal portion of Cytochrome b559, alpha (gene psbE) subunit	-	Family
BA [auth h], G [auth H]	PF00737	Photosystem II 10 kDa phosphoprotein (PsbH)	Photosystem II 10 kDa phosphoprotein	-	Family
DA [auth j], I [auth J]	PF01788	PsbJ (PsbJ)	PsbJ	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, W [auth b]	Photosystem II CP47 reaction center protein	electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain cellular metabolic process electron transport chain photosynthetic electron transport in photosystem II metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
C, X [auth c]	Photosystem II CP43 reaction center protein	electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain cellular metabolic process electron transport chain photosynthetic electron transport in photosystem II metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
D, Y [auth d]	Photosystem II D2 protein	electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity oxidoreductase activity oxygen evolving activity catalytic activity chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity oxidoreductase activity oxygen evolving activity catalytic activity chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding 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 cellular metabolic process 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 cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane protein complex protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane protein complex plasma membrane cell periphery plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
AA [auth f], F	Cytochrome b559 subunit beta	binding organic cyclic compound 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 identical protein binding protein binding	photosynthesis photosynthesis, light reaction photosynthetic electron transport chain cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle photosystem II reaction center plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
CA [auth i], H [auth I]	Photosystem II reaction center protein I	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle photosystem II reaction center plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
EA [auth k], J [auth K]	Photosystem II reaction center protein K	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle photosystem II reaction center plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
IA [auth q], N [auth Q]	Sll1638 protein	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region extrinsic component of membrane catalytic complex photosystem II oxygen evolving complex oxidoreductase complex
KA [auth t], P [auth T]	Photosystem II reaction center protein T	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle photosystem II reaction center plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
MA [auth v], R [auth V]	Cytochrome c-550	binding organic cyclic compound 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 cellular metabolic process 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 intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
OA [auth y], T [auth Y]	Photosystem II reaction center protein Ycf12	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle 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
PA [auth z], U [auth Z]	Photosystem II reaction center protein Z	-	photosynthesis cellular metabolic process 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 cellular metabolic process regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy photosynthesis cellular metabolic process 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 cellular metabolic process regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy regulation of metabolic process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle photosystem II reaction center plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
A, V [auth a]	Photosystem II protein D1 2	oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor oxidoreductase activity oxidoreductase activity, acting on diphenols and related substances as donors catalytic activity electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity oxygen evolving activity chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding cation binding transition metal ion binding iron ion binding oxidoreductase activity, acting on diphenols and related substances as donors, oxygen as acceptor oxidoreductase activity oxidoreductase activity, acting on diphenols and related substances as donors catalytic activity electron transfer activity electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity oxygen evolving activity chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding 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 cellular metabolic process electron transport chain photosynthetic electron transport in photosystem II metabolic process cellular process generation of precursor metabolites and energy response to stimulus response to chemical response to stress response to herbicide response to toxic substance	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
FA [auth l], K [auth L]	Photosystem II reaction center protein L	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle photosystem II reaction center plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
GA [auth m], L [auth M]	Photosystem II reaction center protein M	-	photosynthesis photosynthesis, light reaction cellular metabolic process metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
HA [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 cellular metabolic process 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 photosynthesis protein-containing complex organization photosynthesis, light reaction cellular metabolic process 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 cellular metabolic process regulation of generation of precursor metabolites and energy regulation of metabolic process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region catalytic complex photosystem II oxygen evolving complex oxidoreductase complex
JA [auth r], O [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 cellular metabolic process metabolic process cellular process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
LA [auth u], Q [auth U]	Photosystem II 12 kDa extrinsic protein	-	photosynthesis cellular metabolic process 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 cellular metabolic process regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy photosynthesis cellular metabolic process 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 cellular metabolic process regulation of generation of precursor metabolites and energy generation of precursor metabolites and energy regulation of metabolic process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region extrinsic component of membrane catalytic complex photosystem II oxygen evolving complex oxidoreductase complex
NA [auth x], S [auth X]	Photosystem II reaction center X protein	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
E, Z [auth e]	Cytochrome b559 subunit alpha	binding organic cyclic compound 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 cellular metabolic process electron transport chain metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle photosystem II reaction center plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
BA [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 cellular metabolic process metabolic process cellular process	protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II protein-containing complex intracellular anatomical structure photosystem plasma membrane protein complex photosystem II membrane plasma membrane membrane protein complex cellular anatomical entity intracellular organelle cell periphery organelle intracellular non-membrane-bounded organelle plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region
DA [auth j], I [auth J]	Photosystem II reaction center protein J	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane protein complex protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle plasma membrane protein complex plasma membrane cell periphery plasma membrane-derived thylakoid photosystem II bacterial thylakoid cytoplasm photosystem II reaction center plasma membrane-derived chromatophore membrane plasma membrane-derived chromatophore thylakoid membrane plasma membrane-derived thylakoid membrane plasma membrane region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, W [auth b]	IPR036001	Photosystem antenna protein-like superfamily	Homologous Superfamily
B, W [auth b]	IPR000932	Photosystem antenna protein-like	Family
B, W [auth b]	IPR017486	Photosystem II CP47 reaction centre protein	Family
C, X [auth c]	IPR036001	Photosystem antenna protein-like superfamily	Homologous Superfamily
C, X [auth c]	IPR000932	Photosystem antenna protein-like	Family
C, X [auth c]	IPR005869	Photosystem II CP43 reaction centre protein	Family
C, X [auth c]	IPR044900	Photosystem II CP43 reaction centre protein superfamily	Homologous Superfamily
D, Y [auth d]	IPR005868	Photosystem II D2	Family
D, Y [auth d]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
D, Y [auth d]	IPR000484	Photosynthetic reaction centre, L/M	Family
AA [auth f], F	IPR006241	Photosystem II cytochrome b559, beta subunit	Family
AA [auth f], F	IPR013081	Photosystem II cytochrome b559, N-terminal	Domain
AA [auth f], F	IPR006216	Photosystem II cytochrome b559, conserved site	Conserved Site
CA [auth i], H [auth I]	IPR037271	Photosystem II PsbI superfamily	Homologous Superfamily
CA [auth i], H [auth I]	IPR003686	Photosystem II PsbI	Family
EA [auth k], J [auth K]	IPR037270	Photosystem II PsbK superfamily	Homologous Superfamily
EA [auth k], J [auth K]	IPR003687	Photosystem II PsbK	Family
IA [auth q], N [auth Q]	IPR017487	Photosystem II PsbQ, cyanobacteria	Family
IA [auth q], N [auth Q]	IPR008797	Oxygen-evolving enhancer protein 3	Family
IA [auth q], N [auth Q]	IPR023222	PsbQ-like domain superfamily	Homologous Superfamily
KA [auth t], P [auth T]	IPR001743	Photosystem II PsbT	Family
KA [auth t], P [auth T]	IPR037268	Photosystem II PsbT superfamily	Homologous Superfamily
MA [auth v], R [auth V]	IPR017851	Photosystem II extrinsic protein V, cytochrome c-550 precursor	Family
MA [auth v], R [auth V]	IPR016003	Photosystem II extrinsic protein V, cytochrome c-550 precursor-like	Family
MA [auth v], R [auth V]	IPR036909	Cytochrome c-like domain superfamily	Homologous Superfamily
MA [auth v], R [auth V]	IPR009056	Cytochrome c-like domain	Domain
MA [auth v], R [auth V]	IPR029490	Cytochrome c-550 domain	Domain
OA [auth y], T [auth Y]	IPR010284	Photosystem II reaction center protein Ycf12	Family
PA [auth z], U [auth Z]	IPR036512	Photosystem II PsbZ superfamily	Homologous Superfamily
PA [auth z], U [auth Z]	IPR002644	Photosystem II PsbZ, reaction centre	Family
A, V [auth a]	IPR005867	Photosystem II protein D1	Family
A, V [auth a]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
A, V [auth a]	IPR000484	Photosynthetic reaction centre, L/M	Family
FA [auth l], K [auth L]	IPR003372	Photosystem II PsbL	Family
FA [auth l], K [auth L]	IPR037266	Photosystem II PsbL superfamily	Homologous Superfamily
GA [auth m], L [auth M]	IPR007826	Photosystem II PsbM	Family
GA [auth m], L [auth M]	IPR037269	Photosystem II PsbM superfamily	Homologous Superfamily
HA [auth o], M [auth O]	IPR011250	Outer membrane protein/outer membrane enzyme PagP, beta-barrel	Homologous Superfamily
HA [auth o], M [auth O]	IPR002628	Photosystem II extrinsic protein O	Family
JA [auth r], O [auth R]	IPR009388	Photosystem II PsbY	Family
LA [auth u], Q [auth U]	IPR010527	Photosystem II PsbU, oxygen evolving complex	Family
NA [auth x], S [auth X]	IPR009518	Photosystem II PsbX	Family
NA [auth x], S [auth X]	IPR023431	Photosystem II PsbX, type 1 subfamily	Family
E, Z [auth e]	IPR013081	Photosystem II cytochrome b559, N-terminal	Domain
E, Z [auth e]	IPR006217	Photosystem II cytochrome b559, alpha subunit	Family
E, Z [auth e]	IPR013082	Photosystem II cytochrome b559, alpha subunit, lumenal region	Domain
E, Z [auth e]	IPR037025	Photosystem II cytochrome b559, alpha subunit superfamily	Homologous Superfamily
E, Z [auth e]	IPR006216	Photosystem II cytochrome b559, conserved site	Conserved Site
BA [auth h], G [auth H]	IPR036863	Photosystem II reaction centre protein H superfamily	Homologous Superfamily
BA [auth h], G [auth H]	IPR001056	Photosystem II reaction centre protein H	Family
DA [auth j], I [auth J]	IPR002682	Photosystem II PsbJ	Family
DA [auth j], I [auth J]	IPR037267	Photosystem II PsbJ superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

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

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

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

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
CA [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
KA [auth t], P [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
GA [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
DA [auth j], I [auth J]	FME	Parent Component: MET RESID: AA0021 , AA0566 , 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 , 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