Annotations: 5XNM

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth B]	SCOP2B Superfamily	Photosystem II antenna protein-like	8100732	3001674	SCOP2B (2022-06-29)
GA [auth b]	SCOP2B Superfamily	Photosystem II antenna protein-like	8100732	3001674	SCOP2B (2022-06-29)
G [auth C]	SCOP2 Family	Photosystem II antenna protein-like	8098289	4002735	SCOP2 (2022-06-29)
G [auth C]	SCOP2 Superfamily	Photosystem II antenna protein-like	8098290	3001674	SCOP2 (2022-06-29)
HA [auth c]	SCOP2B Superfamily	Photosystem II antenna protein-like	8098290	3001674	SCOP2B (2022-06-29)
M [auth I]	SCOP2B Superfamily	Photosystem II reaction center protein I, PsbI	8097600	3001590	SCOP2B (2022-06-29)
NA [auth i]	SCOP2B Superfamily	Photosystem II reaction center protein I, PsbI	8097600	3001590	SCOP2B (2022-06-29)
A [auth 1]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
AB [auth y]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
B [auth 2]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
BA [auth 5]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
CA [auth 6]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
K [auth G]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
LA [auth g]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
R [auth N]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
SA [auth n]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
Z [auth Y]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076976	3000343	SCOP2B (2022-06-29)
L [auth H]	SCOP2B Superfamily	Photosystem II 10 kDa phosphoprotein PsbH	8100730	3001547	SCOP2B (2022-06-29)
MA [auth h]	SCOP2B Superfamily	Photosystem II 10 kDa phosphoprotein PsbH	8100730	3001547	SCOP2B (2022-06-29)
N [auth J]	SCOP2B Superfamily	Photosystem II reaction center protein J, PsbJ	8098500	3001534	SCOP2B (2022-06-29)
OA [auth j]	SCOP2B Superfamily	Photosystem II reaction center protein J, PsbJ	8098500	3001534	SCOP2B (2022-06-29)
O [auth K]	SCOP2B Superfamily	Photosystem II reaction center protein K, PsbK	8097598	3001585	SCOP2B (2022-06-29)
PA [auth k]	SCOP2B Superfamily	Photosystem II reaction center protein K, PsbK	8097598	3001585	SCOP2B (2022-06-29)
P [auth L]	SCOP2B Superfamily	Photosystem II reaction center protein L, PsbL	8098790	3001523	SCOP2B (2022-06-29)
QA [auth l]	SCOP2B Superfamily	Photosystem II reaction center protein L, PsbL	8098790	3001523	SCOP2B (2022-06-29)
Q [auth M]	SCOP2B Superfamily	Photosystem II reaction center protein M, PsbM	8098916	3001573	SCOP2B (2022-06-29)
RA [auth m]	SCOP2B Superfamily	Photosystem II reaction center protein M, PsbM	8098916	3001573	SCOP2B (2022-06-29)
S [auth O]	SCOP2B Superfamily	OMPA barrel-like	8098512	3000208	SCOP2B (2022-06-29)
TA [auth o]	SCOP2B Superfamily	OMPA barrel-like	8098512	3000208	SCOP2B (2022-06-29)
T [auth R]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8096646	3000343	SCOP2B (2022-06-29)
UA [auth r]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8096646	3000343	SCOP2B (2022-06-29)
U [auth S]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8095217	3000343	SCOP2B (2022-06-29)
VA [auth s]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8095217	3000343	SCOP2B (2022-06-29)
C [auth 3]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076984	3000343	SCOP2B (2022-06-29)
DA [auth 7]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8076984	3000343	SCOP2B (2022-06-29)
AA [auth Z]	SCOP2B Superfamily	PsbZ-like	8099370	3001624	SCOP2B (2022-06-29)
BB [auth z]	SCOP2B Superfamily	PsbZ-like	8099370	3001624	SCOP2B (2022-06-29)
D [auth 4]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8096648	3000343	SCOP2B (2022-06-29)
EA [auth 8]	SCOP2B Superfamily	Chlorophyll a-b binding protein	8096648	3000343	SCOP2B (2022-06-29)
E [auth A]	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8098298	3000736	SCOP2B (2022-06-29)
FA [auth a]	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8098298	3000736	SCOP2B (2022-06-29)
H [auth D]	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8098294	3000736	SCOP2B (2022-06-29)
IA [auth d]	SCOP2B Superfamily	Bacterial photosystem II reaction centre, L and M subunits	8098294	3000736	SCOP2B (2022-06-29)
I [auth E]	SCOP2B Superfamily	Cytochrome b559 subunits	8098498	3001602	SCOP2B (2022-06-29)
JA [auth e]	SCOP2B Superfamily	Cytochrome b559 subunits	8098498	3001602	SCOP2B (2022-06-29)
J [auth F]	SCOP2B Superfamily	Cytochrome b559 subunits	8098832	3001602	SCOP2B (2022-06-29)
KA [auth f]	SCOP2B Superfamily	Cytochrome b559 subunits	8098832	3001602	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)
F [auth B]	PSII_1st	e5xnmB2	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)
F [auth B]	PSII_2nd	e5xnmB1	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)
GA [auth b]	PSII_1st	e5xnmb2	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)
GA [auth b]	PSII_2nd	e5xnmb1	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)
G [auth C]	PSII_1st	e5xnmC1	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)
HA [auth c]	PSII_1st	e5xnmc1	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)
M [auth I]	PsbI	e5xnmI1	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)
NA [auth i]	PsbI	e5xnmi1	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)
V [auth T]	PsbT	e5xnmT1	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: PsbT	ECOD (1.6)
WA [auth t]	PsbT	e5xnmt1	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: PsbT	ECOD (1.6)
A [auth 1]	Chloroa_b-bind	e5xnm11	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
AB [auth y]	Chloroa_b-bind	e5xnmy1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
B [auth 2]	Chloroa_b-bind	e5xnm21	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
BA [auth 5]	Chloroa_b-bind	e5xnm51	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
CA [auth 6]	Chloroa_b-bind	e5xnm61	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
K [auth G]	Chloroa_b-bind	e5xnmG1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
LA [auth g]	Chloroa_b-bind	e5xnmg1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
R [auth N]	Chloroa_b-bind	e5xnmN1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
SA [auth n]	Chloroa_b-bind	e5xnmn1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
Z [auth Y]	Chloroa_b-bind	e5xnmY1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
L [auth H]	PsbH	e5xnmH1	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)
MA [auth h]	PsbH	e5xnmh1	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)
N [auth J]	PsbJ	e5xnmJ1	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)
OA [auth j]	PsbJ	e5xnmj1	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)
O [auth K]	PsbK	e5xnmK1	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)
PA [auth k]	PsbK	e5xnmk1	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)
P [auth L]	PsbL	e5xnmL1	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)
QA [auth l]	PsbL	e5xnml1	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)
Q [auth M]	PsbM	e5xnmM1	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)
RA [auth m]	PsbM	e5xnmm1	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)
S [auth O]	MSP	e5xnmO1	A: beta barrels	X: Outer membrane meander beta-barrels	H: OMPA-like (From Topology)	T: OMPA-like	F: MSP	ECOD (1.6)
TA [auth o]	MSP	e5xnmo1	A: beta barrels	X: Outer membrane meander beta-barrels	H: OMPA-like (From Topology)	T: OMPA-like	F: MSP	ECOD (1.6)
T [auth R]	Chloroa_b-bind	e5xnmR1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
UA [auth r]	Chloroa_b-bind	e5xnmr1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
U [auth S]	Chloroa_b-bind	e5xnmS1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
VA [auth s]	Chloroa_b-bind	e5xnms1	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
C [auth 3]	Chloroa_b-bind	e5xnm31	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
DA [auth 7]	Chloroa_b-bind	e5xnm71	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
X [auth W]	PsbW	e5xnmW1	A: extended segments	X: Photosystem II reaction center W protein, chloroplastic (From Topology)	H: Photosystem II reaction center W protein, chloroplastic (From Topology)	T: Photosystem II reaction center W protein, chloroplastic	F: PsbW	ECOD (1.6)
YA [auth w]	PsbW	e5xnmw1	A: extended segments	X: Photosystem II reaction center W protein, chloroplastic (From Topology)	H: Photosystem II reaction center W protein, chloroplastic (From Topology)	T: Photosystem II reaction center W protein, chloroplastic	F: PsbW	ECOD (1.6)
Y [auth X]	PsbX	e5xnmX1	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)
ZA [auth x]	PsbX	e5xnmx1	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)
AA [auth Z]	Ycf9	e5xnmZ1	A: extended segments	X: PsbZ-like (From Topology)	H: PsbZ-like (From Topology)	T: PsbZ-like	F: Ycf9	ECOD (1.6)
BB [auth z]	Ycf9	e5xnmz1	A: extended segments	X: PsbZ-like (From Topology)	H: PsbZ-like (From Topology)	T: PsbZ-like	F: Ycf9	ECOD (1.6)
D [auth 4]	Chloroa_b-bind	e5xnm41	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
EA [auth 8]	Chloroa_b-bind	e5xnm81	A: extended segments	X: Chlorophyll a-b binding protein (From Topology)	H: Chlorophyll a-b binding protein (From Topology)	T: Chlorophyll a-b binding protein	F: Chloroa_b-bind	ECOD (1.6)
E [auth A]	Photo_RC	e5xnmA1	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 a]	Photo_RC	e5xnma1	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)
H [auth D]	Photo_RC	e5xnmD1	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)
IA [auth d]	Photo_RC	e5xnmd1	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)
I [auth E]	Cytochrom_B559a	e5xnmE1	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)
JA [auth e]	Cytochrom_B559a	e5xnme1	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)
J [auth F]	Cytochrom_B559	e5xnmF1	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)
KA [auth f]	Cytochrom_B559	e5xnmf1	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)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F [auth B]	3.10.680.10	Alpha Beta	Roll	Photosystem II CP47 reaction center protein	Photosystem II CP47 reaction center protein	CATH (4.3.0)
GA [auth b]	3.10.680.10	Alpha Beta	Roll	Photosystem II CP47 reaction center protein	Photosystem II CP47 reaction center protein	CATH (4.3.0)
G [auth C]	1.10.10.670	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	photosystem ii from thermosynechococcus elongatus	CATH (4.3.0)
HA [auth c]	1.10.10.670	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	photosystem ii from thermosynechococcus elongatus	CATH (4.3.0)
L [auth H]	1.20.5.880	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Photosystem II reaction center protein H	CATH (4.3.0)
MA [auth h]	1.20.5.880	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Photosystem II reaction center protein H	CATH (4.3.0)
U [auth S]	1.10.3460.10	Mainly Alpha	Orthogonal Bundle	Chlorophyll a-b binding protein	Chlorophyll a/b binding protein domain	CATH (4.3.0)
VA [auth s]	1.10.3460.10	Mainly Alpha	Orthogonal Bundle	Chlorophyll a-b binding protein	Chlorophyll a/b binding protein domain	CATH (4.3.0)
C [auth 3]	1.10.3460.10	Mainly Alpha	Orthogonal Bundle	Chlorophyll a-b binding protein	Chlorophyll a/b binding protein domain	CATH (4.3.0)
DA [auth 7]	1.10.3460.10	Mainly Alpha	Orthogonal Bundle	Chlorophyll a-b binding protein	Chlorophyll a/b binding protein domain	CATH (4.3.0)
AA [auth Z]	1.10.287.740	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Photosystem II PsbZ, reaction centre	CATH (4.3.0)
BB [auth z]	1.10.287.740	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	Photosystem II PsbZ, reaction centre	CATH (4.3.0)
I [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 (4.3.0)
JA [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 (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
G [auth C], HA [auth c]	PF00421	Photosystem II protein (PSII)	Photosystem II protein	-	Family
M [auth I], NA [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
V [auth T], WA [auth t]	PF01405	Photosystem II reaction centre T protein (PsbT)	Photosystem II reaction centre T protein	-	Family
A [auth 1], AB [auth y], B [auth 2], BA [auth 5], CA [auth 6], A [auth 1], AB [auth y], B [auth 2], BA [auth 5], CA [auth 6], K [auth G], LA [auth g], R [auth N], SA [auth n], Z [auth Y]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
L [auth H], MA [auth h]	PF00737	Photosystem II 10 kDa phosphoprotein (PsbH)	Photosystem II 10 kDa phosphoprotein	-	Family
P [auth L], QA [auth l]	PF02419	PsbL protein (PsbL)	PsbL protein	-	Family
Q [auth M], RA [auth m]	PF05151	Photosystem II reaction centre M protein (PsbM) (PsbM)	Photosystem II reaction centre M protein (PsbM)	-	Family
S [auth O], TA [auth o]	PF01716	Manganese-stabilising protein / photosystem II polypeptide (MSP)	Manganese-stabilising protein / photosystem II polypeptide	-	Family
T [auth R], UA [auth r]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
U [auth S], VA [auth s]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
C [auth 3], DA [auth 7]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
X [auth W], YA [auth w]	PF07123	Photosystem II reaction centre W protein (PsbW) (PsbW)	Photosystem II reaction centre W protein (PsbW)	-	Family
Y [auth X], ZA [auth x]	PF06596	Photosystem II reaction centre X protein (PsbX) (PsbX)	Photosystem II reaction centre X protein (PsbX)	-	Family
AA [auth Z], BB [auth z]	PF01737	YCF9 (Ycf9)	YCF9	-	Family
D [auth 4], EA [auth 8]	PF00504	Chlorophyll A-B binding protein (Chloroa_b-bind)	Chlorophyll A-B binding protein	-	Family
E [auth A], FA [auth a]	PF00124	Photosynthetic reaction centre protein (Photo_RC)	Photosynthetic reaction centre protein	-	Family
H [auth D], IA [auth d]	PF00124	Photosynthetic reaction centre protein (Photo_RC)	Photosynthetic reaction centre protein	-	Family
I [auth E], JA [auth e]	PF00284	Lumenal portion of Cytochrome b559, alpha (gene psbE) subunit (Cytochrom_B559a)	Lumenal portion of Cytochrome b559, alpha (gene psbE) subunit	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
F [auth B], GA [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 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 chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
G [auth C], HA [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 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 chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
M [auth I], NA [auth i]	Photosystem II reaction center protein I, PsbI	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
V [auth T], WA [auth t]	Photosystem II reaction center protein T	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
A [auth 1], AB [auth y], B [auth 2], BA [auth 5], CA [auth 6], A [auth 1], AB [auth y], B [auth 2], BA [auth 5], CA [auth 6], K [auth G], LA [auth g], R [auth N], SA [auth n], Z [auth Y]	Chlorophyll a-b binding protein 8, chloroplastic	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding cation binding ion binding metal ion binding small molecule binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle membrane-bounded organelle 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 membrane-bounded organelle plastid intracellular membrane-bounded organelle plastoglobule plastid stroma chloroplast stroma cytoplasm chloroplast chloroplast thylakoid membrane plastid membrane organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope thylakoid membrane chloroplast thylakoid outer membrane organelle membrane photosystem I chloroplast envelope
L [auth H], MA [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 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 chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
N [auth J], OA [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 photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
O [auth K], PA [auth k]	Photosystem II reaction center protein K	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
P [auth L], QA [auth l]	Photosystem II reaction center protein L	-	photosynthesis cellular metabolic process metabolic process cellular process	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
Q [auth M], RA [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 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 chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
S [auth O], TA [auth o]	Oxygen-evolving enhancer protein 1, chloroplastic	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	chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast chloroplast thylakoid membrane membrane-bounded organelle plastid membrane intracellular anatomical structure plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid intracellular organelle organelle envelope bounding membrane of organelle thylakoid plastid envelope chloroplast non-membrane-bounded organelle membrane cellular anatomical entity intracellular membrane-bounded organelle thylakoid membrane organelle chloroplast thylakoid intracellular non-membrane-bounded organelle outer membrane cytoplasm photosynthetic membrane organelle membrane protein-containing complex photosystem catalytic complex photosystem II membrane protein complex photosystem II oxygen evolving complex oxidoreductase complex
T [auth R], UA [auth r]	Light harvesting chlorophyll a/b-binding protein Lhcb4, CP29	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction cellular metabolic process photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
U [auth S], VA [auth s]	Light harvesting chlorophyll a/b-binding protein Lhcb5, CP26	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	response to light stimulus response to stimulus response to radiation response to abiotic stimulus photosynthesis, light harvesting in photosystem I photosynthesis photosynthesis, light reaction cellular metabolic process photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle membrane-bounded organelle 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 membrane-bounded organelle plastid intracellular membrane-bounded organelle plastoglobule plastid stroma chloroplast stroma cytoplasm chloroplast chloroplast thylakoid membrane plastid membrane organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope thylakoid membrane chloroplast thylakoid outer membrane organelle membrane photosystem I chloroplast envelope
C [auth 3], DA [auth 7]	Chlorophyll a-b binding protein, chloroplastic	protein binding binding protein domain specific binding chlorophyll binding organic cyclic compound binding tetrapyrrole binding	response to abscisic acid response to stimulus response to lipid response to hormone response to alcohol response to chemical response to endogenous stimulus response to oxygen-containing compound photosynthesis, light harvesting in photosystem II photosynthesis photosynthesis, light reaction cellular metabolic process photosynthesis, light harvesting metabolic process response to abscisic acid response to stimulus response to lipid response to hormone response to alcohol response to chemical response to endogenous stimulus response to oxygen-containing compound photosynthesis, light harvesting in photosystem II photosynthesis photosynthesis, light reaction cellular metabolic process photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy regulation of stomatal movement regulation of biological process regulation of cellular process stomatal movement biological regulation response to stress response to herbicide response to toxic substance response to light stimulus response to light intensity response to radiation response to abiotic stimulus response to high light intensity	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 thylakoid light-harvesting 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 thylakoid light-harvesting complex chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane light-harvesting complex plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle PSII associated light-harvesting complex II thylakoid membrane chloroplast thylakoid membrane protein complex chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
W [auth U], XA [auth u]	Photosystem II luminal extrinsic protein Tn, PsbTn	-	-	-
X [auth W], YA [auth w]	Photosystem II reaction center protein W, PSBW	-	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 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 chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
Y [auth X], ZA [auth x]	Photosystem II reaction center protein X	-	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
AA [auth Z], BB [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 photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
D [auth 4], EA [auth 8]	Light harvesting chlorophyll a/b-binding protein Lhcb6, CP24	chlorophyll binding binding organic cyclic compound binding tetrapyrrole binding	photosynthesis photosynthesis, light reaction cellular metabolic process photosynthesis, light harvesting metabolic process cellular process generation of precursor metabolites and energy	protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane photosystem I
E [auth A], FA [auth a]	Photosystem II protein D1	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 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 chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
H [auth D], IA [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 chloroplast thylakoid 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 chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
I [auth E], JA [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 photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane
J [auth F], KA [auth f]	Cytochrome b559 subunit beta, PsbF	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 photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle protein-containing complex photosystem intracellular anatomical structure photosystem II membrane membrane protein complex cellular anatomical entity photosystem II reaction center intracellular organelle organelle intracellular non-membrane-bounded organelle photosynthetic membrane thylakoid non-membrane-bounded organelle chloroplast thylakoid membrane membrane-bounded organelle plastid membrane plastid organelle outer membrane plastid thylakoid membrane plastid thylakoid organelle envelope bounding membrane of organelle plastid envelope chloroplast intracellular membrane-bounded organelle thylakoid membrane chloroplast thylakoid outer membrane cytoplasm organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
F [auth B], GA [auth b]	IPR036001	Photosystem antenna protein-like superfamily	Homologous Superfamily
F [auth B], GA [auth b]	IPR000932	Photosystem antenna protein-like	Family
F [auth B], GA [auth b]	IPR017486	Photosystem II CP47 reaction centre protein	Family
G [auth C], HA [auth c]	IPR036001	Photosystem antenna protein-like superfamily	Homologous Superfamily
G [auth C], HA [auth c]	IPR000932	Photosystem antenna protein-like	Family
G [auth C], HA [auth c]	IPR005869	Photosystem II CP43 reaction centre protein	Family
G [auth C], HA [auth c]	IPR044900	Photosystem II CP43 reaction centre protein superfamily	Homologous Superfamily
M [auth I], NA [auth i]	IPR037271	Photosystem II PsbI superfamily	Homologous Superfamily
M [auth I], NA [auth i]	IPR003686	Photosystem II PsbI	Family
V [auth T], WA [auth t]	IPR001743	Photosystem II PsbT	Family
V [auth T], WA [auth t]	IPR037268	Photosystem II PsbT superfamily	Homologous Superfamily
A [auth 1], AB [auth y], B [auth 2], BA [auth 5], CA [auth 6], A [auth 1], AB [auth y], B [auth 2], BA [auth 5], CA [auth 6], K [auth G], LA [auth g], R [auth N], SA [auth n], Z [auth Y]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
A [auth 1], AB [auth y], B [auth 2], BA [auth 5], CA [auth 6], A [auth 1], AB [auth y], B [auth 2], BA [auth 5], CA [auth 6], K [auth G], LA [auth g], R [auth N], SA [auth n], Z [auth Y]	IPR022796	Chlorophyll A-B binding protein	Family
L [auth H], MA [auth h]	IPR036863	Photosystem II reaction centre protein H superfamily	Homologous Superfamily
L [auth H], MA [auth h]	IPR001056	Photosystem II reaction centre protein H	Family
N [auth J], OA [auth j]	IPR002682	Photosystem II PsbJ	Family
N [auth J], OA [auth j]	IPR037267	Photosystem II PsbJ superfamily	Homologous Superfamily
O [auth K], PA [auth k]	IPR037270	Photosystem II PsbK superfamily	Homologous Superfamily
O [auth K], PA [auth k]	IPR003687	Photosystem II PsbK	Family
P [auth L], QA [auth l]	IPR003372	Photosystem II PsbL	Family
P [auth L], QA [auth l]	IPR037266	Photosystem II PsbL superfamily	Homologous Superfamily
Q [auth M], RA [auth m]	IPR007826	Photosystem II PsbM	Family
Q [auth M], RA [auth m]	IPR037269	Photosystem II PsbM superfamily	Homologous Superfamily
S [auth O], TA [auth o]	IPR011250	Outer membrane protein/outer membrane enzyme PagP, beta-barrel	Homologous Superfamily
S [auth O], TA [auth o]	IPR002628	Photosystem II extrinsic protein O	Family
T [auth R], UA [auth r]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
T [auth R], UA [auth r]	IPR022796	Chlorophyll A-B binding protein	Family
U [auth S], VA [auth s]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
U [auth S], VA [auth s]	IPR022796	Chlorophyll A-B binding protein	Family
C [auth 3], DA [auth 7]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
C [auth 3], DA [auth 7]	IPR022796	Chlorophyll A-B binding protein	Family
X [auth W], YA [auth w]	IPR009806	Photosystem II PsbW, class 2	Family
Y [auth X], ZA [auth x]	IPR009518	Photosystem II PsbX	Family
Y [auth X], ZA [auth x]	IPR023431	Photosystem II PsbX, type 1 subfamily	Family
AA [auth Z], BB [auth z]	IPR036512	Photosystem II PsbZ superfamily	Homologous Superfamily
AA [auth Z], BB [auth z]	IPR002644	Photosystem II PsbZ, reaction centre	Family
D [auth 4], EA [auth 8]	IPR001344	Chlorophyll A-B binding protein, plant and chromista	Family
D [auth 4], EA [auth 8]	IPR022796	Chlorophyll A-B binding protein	Family
E [auth A], FA [auth a]	IPR005867	Photosystem II protein D1	Family
E [auth A], FA [auth a]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
E [auth A], FA [auth a]	IPR000484	Photosynthetic reaction centre, L/M	Family
H [auth D], IA [auth d]	IPR005868	Photosystem II D2	Family
H [auth D], IA [auth d]	IPR036854	Photosystem II protein D1/D2 superfamily	Homologous Superfamily
H [auth D], IA [auth d]	IPR000484	Photosynthetic reaction centre, L/M	Family
I [auth E], JA [auth e]	IPR013081	Photosystem II cytochrome b559, N-terminal	Domain
I [auth E], JA [auth e]	IPR006217	Photosystem II cytochrome b559, alpha subunit	Family
I [auth E], JA [auth e]	IPR013082	Photosystem II cytochrome b559, alpha subunit, lumenal region	Domain
I [auth E], JA [auth e]	IPR037025	Photosystem II cytochrome b559, alpha subunit superfamily	Homologous Superfamily
I [auth E], JA [auth e]	IPR006216	Photosystem II cytochrome b559, conserved site	Conserved Site
J [auth F], KA [auth f]	IPR006241	Photosystem II cytochrome b559, beta subunit	Family
J [auth F], KA [auth f]	IPR013081	Photosystem II cytochrome b559, N-terminal	Domain
J [auth F], KA [auth f]	IPR006216	Photosystem II cytochrome b559, conserved site	Conserved Site

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth 1], AA [auth Z], AB [auth y], B [auth 2], BA [auth 5] A [auth 1], AA [auth Z], AB [auth y], B [auth 2], BA [auth 5], BB [auth z], C [auth 3], CA [auth 6], D [auth 4], DA [auth 7], E [auth A], EA [auth 8], F [auth B], FA [auth a], G [auth C], GA [auth b], H [auth D], HA [auth c], I [auth E], IA [auth d], J [auth F], JA [auth e], K [auth G], KA [auth f], L [auth H], LA [auth g], M [auth I], MA [auth h], N [auth J], NA [auth i], O [auth K], OA [auth j], P [auth L], PA [auth k], Q [auth M], QA [auth l], R [auth N], RA [auth m], S [auth O], SA [auth n], T [auth R], TA [auth o], U [auth S], UA [auth r], V [auth T], VA [auth s], WA [auth t], X [auth W], Y [auth X], YA [auth w], Z [auth Y], ZA [auth x]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth 1], AA [auth Z], AB [auth y], B [auth 2], BA [auth 5] A [auth 1], AA [auth Z], AB [auth y], B [auth 2], BA [auth 5], BB [auth z], C [auth 3], CA [auth 6], D [auth 4], DA [auth 7], E [auth A], EA [auth 8], F [auth B], FA [auth a], G [auth C], GA [auth b], H [auth D], HA [auth c], I [auth E], IA [auth d], J [auth F], JA [auth e], K [auth G], KA [auth f], L [auth H], LA [auth g], M [auth I], MA [auth h], N [auth J], NA [auth i], O [auth K], OA [auth j], P [auth L], PA [auth k], Q [auth M], QA [auth l], R [auth N], RA [auth m], S [auth O], SA [auth n], T [auth R], TA [auth o], U [auth S], UA [auth r], V [auth T], VA [auth s], WA [auth t], X [auth W], Y [auth X], YA [auth w], Z [auth Y], ZA [auth x]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Photosystem+Light-Harvesting Complex Supercomplex	stacked C₂S₂M₂-type PSII-LHCII complex