6wj6

Cryo-EM structure of apo-Photosystem II from Synechocystis sp. PCC 6803

Method: ELECTRON MICROSCOPY

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Photosystem II protein D1 2

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBA2_SYNY3
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–360； UniProt 1–360

Photosystem II CP47 reaction center protein

OrganismNot specified

UniProt P05429

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBB_SYNY3
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–507； UniProt 1–507

Photosystem II CP43 reaction center protein

OrganismNot specified

UniProt P09193

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBC_SYNY3
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–460； UniProt 1–460

Photosystem II D2 protein

OrganismNot specified

UniProt P09192

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBD_SYNY3
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–352； UniProt 1–352

Cytochrome b559 subunit alpha

OrganismNot specified

UniProt P09190

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBE_SYNY3
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain E； PDBConstruct 1–81； UniProt 1–81

Cytochrome b559 subunit beta

OrganismNot specified

UniProt P09191

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBF_SYNY3
Isoform	—
PDB entities	6
Chains and sequence ranges	Author chain F； PDBConstruct 1–44； UniProt 1–44

Photosystem II reaction center protein H

OrganismNot specified

UniProt P14835

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBH_SYNY3
Isoform	—
PDB entities	7
Chains and sequence ranges	Author chain H； PDBConstruct 1–64； UniProt 1–64

Photosystem II reaction center protein I

OrganismNot specified

UniProt Q54697

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBI_SYNY3
Isoform	—
PDB entities	8
Chains and sequence ranges	Author chain I； PDBConstruct 1–38； UniProt 1–38

Photosystem II reaction center protein K

OrganismNot specified

UniProt P15819

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBK_SYNY3
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain K； PDBConstruct 1–45； UniProt 1–45

Photosystem II reaction center protein L

OrganismNot specified

UniProt Q55354

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBL_SYNY3
Isoform	—
PDB entities	10
Chains and sequence ranges	Author chain L； PDBConstruct 1–39； UniProt 1–39

Photosystem II reaction center protein M

OrganismNot specified

UniProt P72701

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein T × 1 （P74787） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBM_SYNY3
Isoform	—
PDB entities	11
Chains and sequence ranges	Author chain M； PDBConstruct 1–35； UniProt 1–35

Photosystem II reaction center protein T

OrganismNot specified

UniProt P74787

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center X protein × 1 （P72575） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBT_SYNY3
Isoform	—
PDB entities	12
Chains and sequence ranges	Author chain T； PDBConstruct 1–31； UniProt 1–31

Photosystem II reaction center X protein

OrganismNot specified

UniProt P72575

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 13	Photosystem II protein D1 2 × 1 （P16033） Photosystem II CP47 reaction center protein × 1 （P05429） Photosystem II CP43 reaction center protein × 1 （P09193） Photosystem II D2 protein × 1 （P09192） Cytochrome b559 subunit alpha × 1 （P09190） Cytochrome b559 subunit beta × 1 （P09191） Photosystem II reaction center protein H × 1 （P14835） Photosystem II reaction center protein I × 1 （Q54697） Photosystem II reaction center protein K × 1 （P15819） Photosystem II reaction center protein L × 1 （Q55354） Photosystem II reaction center protein M × 1 （P72701） Photosystem II reaction center protein T × 1 （P74787） FE (II) ION × 1 CHLOROPHYLL A × 35 PHEOPHYTIN A × 2 BETA-CAROTENE × 9 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 7 ;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ; × 2 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 3 DODECYL-BETA-D-MALTOSIDE × 2 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 2 CHLORIDE ION × 1 BICARBONATE ION × 1 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 4 PROTOPORPHYRIN IX CONTAINING FE × 1 N-FORMYLMETHIONINE × 3 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBX_SYNY3
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain X； PDBConstruct 1–39； UniProt 1–39

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	6wj6
Deposition date deposition_date	2020-04-12
Structure title title	Cryo-EM structure of apo-Photosystem II from Synechocystis sp. PCC 6803
Keywords keywords	Photosystem, oxidoreductase, water-splitting, photoactivation, PHOTOSYNTHESIS; PHOTOSYNTHESIS
Experimental Method method	ELECTRON MICROSCOPY

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

6wj6__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

6wj6__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

6wj6__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	40.05 Å
Rg (electron density)	39.09 Å
Total Rg	39.64 Å
Atom count	18686
Residues	1898
Excluded volume	348240 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`6wj6__assembly_1__model_1`	tridecameric （13）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (28)

Entity 1 Entity 1 polymer

Description description	Photosystem II protein D1 2
Molecular weight formula_weight	39744.1 kDa
EC 编号 ec_number	1.10.3.9
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	18884

MTTTLQQRESASLWEQFCQWVTSTNNRIYVGWFGTLMIPTLLTATTCFIIAFIAAPPVDIDGIREPVAGSLLYGNNIISGAVVPSSNAIGLHFYPIWEAASLDEWLYNGGPYQLVVFHFLIGIFCYMGRQWELSYRLGMRPWICVAYSAPVSAATAVFLIYPIGQGSFSDGMPLGISGTFNFMIVFQAEHNILMHPFHMLGVAGVFGGSLFSAMHGSLVTSSLVRETTEVESQNYGYKFGQEEETYNIVAAHGYFGRLIFQYASFNNSRSLHFFLGAWPVIGIWFTAMGVSTMAFNLNGFNFNQSILDSQGRVIGTWADVLNRANIGFEVMHERNAHNFPLDLASGEQAPVALTAPAVNG

Entity 2 Entity 2 polymer

Description description	Photosystem II CP47 reaction center protein
Molecular weight formula_weight	55954.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B

MGLPWYRVHTVVLNDPGRLISVHLMHTALVAGWAGSMALYELAIFDSSDAVLNPMWRQGMFVLPFMARLGVTSSWNGWSVTGETGLDPGFWSFEGVAAAHIVLSGLLFLAAVWHWVFWDLELFVDPRTGESALDLPKMFGIHLFLSGLLCFGFGAFHLTGVWGPGMWVSDPYGLTGHVQPVAPEWGPAGFNPFNPGGVVAHHIAAGIVGIIAGLFHLTVRPPERLYKALRMGNIETVLSSSIAAVFFAAFVVAGTMWYGNATTPIELFGPTRYQWDKGYFQEEIQRRVDSQLAEGASLSEAWSTIPEKLAFYDYVGNSPAKGGLFRTGAMNSGDGIAQEWIGHPIFKDKEGRELEVRRMPNFFETFPVIMTDADGVVRADIPFRRSESKFSVEQTGVTVSFYGGALDGQTFSNPSDVKKFARKAQLGEGFDFDTETFNSDGVFRTSPRGWFTFGHAVFALLFFFGHIWHGSRTLFRDVFAGVDPGLEEQVEFGVFAKVGDLSTRKEA

Entity 3 Entity 3 polymer

Description description	Photosystem II CP43 reaction center protein
Molecular weight formula_weight	50330.7 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C

MVTLSNTSMVGGRDLPSSGFAWWSGNARLINLSGKLLGAHVAHAGLIVFWAGAMTLFEVAHFIPEKPMYEQGLILLPHIATLGWGVGPAGEVTDIFPFFVVGVLHLISSAVLGLGGIYHALRGPEVLEEYSSFFGYDWKDKNQMTNIIGYHLILLGCGALLLVFKAMFFGGVYDTWAPGGGDVRVITNPTLNPAIIFGYLLKAPFGGEGWIISVNNMEDIIGGHIWIGLICISGGIWHILTKPFGWARRALIWSGEAYLSYSLGALSLMGFIASVFVWFNNTAYPSEFYGPTGMEASQSQAFTFLVRDQRLGANIASAQGPTGLGKYLMRSPSGEIIFGGETMRFWDFRGPWLEPLRGPNGLDLDKLRNDIQPWQVRRAAEYMTHAPLGSLNSVGGVITDVNSFNYVSPRAWLATSHFVLGFFFLVGHLWHAGRARAAAAGFEKGIDRETEPTLFMPDLD

Entity 4 Entity 4 polymer

Description description	Photosystem II D2 protein
Molecular weight formula_weight	39519.2 kDa
EC 编号 ec_number	1.10.3.9
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D

MTIAVGRAPVERGWFDVLDDWLKRDRFVFIGWSGLLLFPCAFMALGGWLTGTTFVTSWYTHGLASSYLEGANFLTVAVSSPADAFGHSLLFLWGPEAQGNLTRWFQIGGLWPFVALHGAFGLIGFMLRQFEISRLVGIRPYNAIAFSGPIAVFVSVFLMYPLGQSSWFFAPSFGVAGIFRFILFLQGFHNWTLNPFHMMGVAGILGGALLCAIHGATVENTLFEDGEDSNTFRAFEPTQAEETYSMVTANRFWSQIFGIAFSNKRWLHFFMLFVPVTGLWMSSVGIVGLALNLRAYDFVSQELRAAEDPEFETFYTKNILLNEGMRAWMAPQDQPHENFIFPEEVLPRGNAL

Entity 5 Entity 5 polymer

Description description	Cytochrome b559 subunit alpha
Molecular weight formula_weight	9454.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E

MSGTTGERPFSDIVTSIRYWVIHSITIPMLFIAGWLFVSTGLAYDAFGTPRPDEYFTQTRQELPILQERYDINQEIQEFNQ

Entity 6 Entity 6 polymer

Description description	Cytochrome b559 subunit beta
Molecular weight formula_weight	4935.8 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F

MATQNPNQPVTYPIFTVRWLAVHTLAVPSVFFVGAIAAMQFIQR

Entity 7 Entity 7 polymer

Description description	Photosystem II reaction center protein H
Molecular weight formula_weight	7120.4 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H

MAQRTRLGDILRPLNSEYGKVVPGWGTTPVMGVFMALFLVFLLIILQIYNSSLILEGFSVDWAG

Entity 8 Entity 8 polymer

Description description	Photosystem II reaction center protein I
Molecular weight formula_weight	4310.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I

MLTLKIAVYIVVGLFISLFIFGFLSSDPTRNPGRKDFE

Entity 9 Entity 9 polymer

Description description	Photosystem II reaction center protein K
Molecular weight formula_weight	5114.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K

METIYLLAKLPEAYQIFDPLVDVLPVIPLFFLALAFVWQAAVGFK

Entity 10 Entity 10 polymer

Description description	Photosystem II reaction center protein L
Molecular weight formula_weight	4476.1 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L

MDRNSNPNRQPVELNRTSLYLGLLLVAVLGILFSSYFFN

Entity 11 Entity 11 polymer

Description description	Photosystem II reaction center protein M
Molecular weight formula_weight	3882.6 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M

MQVNNLGFIASILFVLVPTVFLLILFIQTGKQSES

Entity 12 Entity 12 polymer

Description description	Photosystem II reaction center protein T
Molecular weight formula_weight	3543.3 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	T

MESVAYILVLTMALAVLFFAIAFREPPRIEK

Entity 13 Entity 13 polymer

Description description	Photosystem II reaction center X protein
Molecular weight formula_weight	4189.0 kDa
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	X

MTPSLANFLWSLVLGAAIVLIPATVGLIFISQKDKITRS

Entity 14 Entity 14 non-polymer

Description description	FE (II) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 15 Entity 15 non-polymer

Description description	CHLOROPHYLL A
Molecular weight formula_weight	893.5 kDa
Source method src_method	syn
Copy count entity_count	35

Entity 16 Entity 16 non-polymer

Description description	PHEOPHYTIN A
Molecular weight formula_weight	871.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 17 Entity 17 non-polymer

Description description	BETA-CAROTENE
Molecular weight formula_weight	536.9 kDa
Source method src_method	syn
Copy count entity_count	9

Entity 18 Entity 18 non-polymer

Description description	1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL
Molecular weight formula_weight	795.1 kDa
Source method src_method	syn
Copy count entity_count	7

Entity 19 Entity 19 non-polymer

Description description	;2,3-DIMETHYL-5-(3,7,11,15,19,23,27,31,35-NONAMETHYL-2,6,10,14,18,22,26,30,34-HEXATRIACONTANONAENYL-2,5-CYCLOHEXADIENE-1,4-DIONE-2,3-DIMETHYL-5-SOLANESYL-1,4-BENZOQUINONE ;
Molecular weight formula_weight	749.2 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 20 Entity 20 non-polymer

Description description	1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
Molecular weight formula_weight	787.2 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 21 Entity 21 non-polymer

Description description	DODECYL-BETA-D-MALTOSIDE
Molecular weight formula_weight	510.6 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 22 Entity 22 non-polymer

Description description	DIGALACTOSYL DIACYL GLYCEROL (DGDG)
Molecular weight formula_weight	949.3 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 23 Entity 23 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	nat
Copy count entity_count	1

Entity 24 Entity 24 non-polymer

Description description	BICARBONATE ION
Molecular weight formula_weight	61.0 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 25 Entity 25 non-polymer

Description description	1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE
Molecular weight formula_weight	723.0 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 26 Entity 26 non-polymer

Description description	PROTOPORPHYRIN IX CONTAINING FE
Molecular weight formula_weight	616.5 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 27 Entity 27 non-polymer

Description description	N-FORMYLMETHIONINE
Molecular weight formula_weight	177.2 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 28 Entity 28 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	198

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (9 domains)

Domain ID domain_id	d6wj6a_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.26 — Bacterial photosystem II reaction centre, L and M subunits
Superfamily Superfamily superfamily	f.26.1 — Bacterial photosystem II reaction centre, L and M subunits
Family Family family	f.26.1.1 — Bacterial photosystem II reaction centre, L and M subunits

Domain ID domain_id	d6wj6b_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.55 — Photosystem II antenna protein-like
Superfamily Superfamily superfamily	f.55.1 — Photosystem II antenna protein-like
Family Family family	f.55.1.1 — Photosystem II antenna protein-like

Domain ID domain_id	d6wj6c_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.55 — Photosystem II antenna protein-like
Superfamily Superfamily superfamily	f.55.1 — Photosystem II antenna protein-like
Family Family family	f.55.1.1 — Photosystem II antenna protein-like

Domain ID domain_id	d6wj6d_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.26 — Bacterial photosystem II reaction centre, L and M subunits
Superfamily Superfamily superfamily	f.26.1 — Bacterial photosystem II reaction centre, L and M subunits
Family Family family	f.26.1.1 — Bacterial photosystem II reaction centre, L and M subunits

Domain ID domain_id	d6wj6e_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.23 — Single transmembrane helix
Superfamily Superfamily superfamily	f.23.38 — Cytochrome b559 subunits
Family Family family	f.23.38.1 — Cytochrome b559 subunits

Domain ID domain_id	d6wj6f_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.23 — Single transmembrane helix
Superfamily Superfamily superfamily	f.23.38 — Cytochrome b559 subunits
Family Family family	f.23.38.1 — Cytochrome b559 subunits

Domain ID domain_id	d6wj6h_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.23 — Single transmembrane helix
Superfamily Superfamily superfamily	f.23.33 — Photosystem II 10 kDa phosphoprotein PsbH
Family Family family	f.23.33.1 — PsbH-like

Domain ID domain_id	d6wj6k_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.23 — Single transmembrane helix
Superfamily Superfamily superfamily	f.23.36 — Photosystem II reaction center protein K, PsbK
Family Family family	f.23.36.1 — PsbK-like

Domain ID domain_id	d6wj6m_
Class class	f — Membrane and cell surface proteins and peptides
Fold Fold fold	f.23 — Single transmembrane helix
Superfamily Superfamily superfamily	f.23.35 — Photosystem II reaction center protein M, PsbM
Family Family family	f.23.35.1 — PsbM-like

CATH v4.4 (1 domains)

Domain ID domain_id	6wj6A01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	85 — Photosynthetic Reaction Center, subunit M; domain 1
Homologous superfamily homologous superfamily	10 — Photosystem II protein D1-like

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	triclinic

Resolution resolution	2.58 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	212640

Cryo-EM structure of apo-Photosystem II from Synechocystis sp. PCC 6803

1. Protein Identity and Related Structures Protein Identity & Related Structures

Photosystem II protein D1 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem II CP47 reaction center protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem II CP43 reaction center protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem II D2 protein

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Cytochrome b559 subunit alpha

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Cytochrome b559 subunit beta

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem II reaction center protein H

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem II reaction center protein I

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem II reaction center protein K

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

Photosystem II reaction center protein L

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer