7rcv

High-resolution structure of photosystem II from the mesophilic cyanobacterium, 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 42	Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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 Author chain i； PDBConstruct 1–38； UniProt 1–38

Photosystem II reaction center protein J

OrganismNot specified

UniProt P73070

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBJ_SYNY3
Isoform	—
PDB entities	9
Chains and sequence ranges	Author chain J； PDBConstruct 1–39； UniProt 1–39 Author chain j； PDBConstruct 1–39； UniProt 1–39

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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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	10
Chains and sequence ranges	Author chain K； PDBConstruct 1–45； UniProt 1–45 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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	11
Chains and sequence ranges	Author chain L； PDBConstruct 1–39； UniProt 1–39 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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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	12
Chains and sequence ranges	Author chain M； PDBConstruct 1–35； UniProt 1–35 Author chain m； PDBConstruct 1–35； UniProt 1–35

Photosystem II manganese-stabilizing polypeptide

OrganismNot specified

UniProt P10549

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBO_SYNY3
Isoform	—
PDB entities	13
Chains and sequence ranges	Author chain O； PDBConstruct 1–247； UniProt 28–274 Author chain o； PDBConstruct 1–247； UniProt 28–274

Sll1638 protein

OrganismNot specified

UniProt P73048

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	P73048_SYNY3
Isoform	—
PDB entities	14
Chains and sequence ranges	Author chain Q； PDBConstruct 1–149； UniProt 1–149 Author chain q； PDBConstruct 1–149； UniProt 1–149

Photosystem II protein Y

OrganismNot specified

UniProt P73676

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBY_SYNY3
Isoform	—
PDB entities	15
Chains and sequence ranges	Author chain R； PDBConstruct 1–39； UniProt 1–39 Author chain r； PDBConstruct 1–39； UniProt 1–39

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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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	16
Chains and sequence ranges	Author chain T； PDBConstruct 1–31； UniProt 1–31 Author chain t； PDBConstruct 1–31； UniProt 1–31

Photosystem II 12 kDa extrinsic protein

OrganismNot specified

UniProt Q55332

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBU_SYNY3
Isoform	—
PDB entities	17
Chains and sequence ranges	Author chain U； PDBConstruct 1–131； UniProt 1–131 Author chain u； PDBConstruct 1–131； UniProt 1–131

Cytochrome c-550

OrganismNot specified

UniProt Q55013

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	CY550_SYNY3
Isoform	—
PDB entities	18
Chains and sequence ranges	Author chain V； PDBConstruct 1–160； UniProt 1–160 Author chain v； PDBConstruct 1–160； UniProt 1–160

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 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center protein Ycf12 × 2 （Q55438） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	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	19
Chains and sequence ranges	Author chain X； PDBConstruct 1–39； UniProt 1–39 Author chain x； PDBConstruct 1–39； UniProt 1–39

Photosystem II reaction center protein Ycf12

OrganismNot specified

UniProt Q55438

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Z × 2 （P73528） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	YCF12_SYNY3
Isoform	—
PDB entities	20
Chains and sequence ranges	Author chain Y； PDBConstruct 1–39； UniProt 1–39 Author chain y； PDBConstruct 1–39； UniProt 1–39

Photosystem II reaction center protein Z

OrganismNot specified

UniProt P73528

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 42	Photosystem II protein D1 2 × 2 （P16033） Photosystem II CP47 reaction center protein × 2 （P05429） Photosystem II CP43 reaction center protein × 2 （P09193） Photosystem II D2 protein × 2 （P09192） Cytochrome b559 subunit alpha × 2 （P09190） Cytochrome b559 subunit beta × 2 （P09191） Photosystem II reaction center protein H × 2 （P14835） Photosystem II reaction center protein I × 2 （Q54697） Photosystem II reaction center protein J × 2 （P73070） Photosystem II reaction center protein K × 2 （P15819） Photosystem II reaction center protein L × 2 （Q55354） Photosystem II reaction center protein M × 2 （P72701） Photosystem II manganese-stabilizing polypeptide × 2 （P10549） Sll1638 protein × 2 （P73048） Photosystem II protein Y × 2 （P73676） Photosystem II reaction center protein T × 2 （P74787） Photosystem II 12 kDa extrinsic protein × 2 （Q55332） Cytochrome c-550 × 2 （Q55013） Photosystem II reaction center X protein × 2 （P72575） Photosystem II reaction center protein Ycf12 × 2 （Q55438） CA-MN4-O5 CLUSTER × 2 FE (II) ION × 2 CHLORIDE ION × 4 CHLOROPHYLL A × 70 PHEOPHYTIN A × 4 BETA-CAROTENE × 18 1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL × 14 1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE × 12 ;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 ; × 4 DODECYL-BETA-D-MALTOSIDE × 62 BICARBONATE ION × 2 1,2-DIPALMITOYL-PHOSPHATIDYL-GLYCEROLE × 14 DIGALACTOSYL DIACYL GLYCEROL (DGDG) × 8 PROTOPORPHYRIN IX CONTAINING FE × 4 CALCIUM ION × 6 (3R)-beta,beta-caroten-3-ol × 2 water × 36	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSBZ_SYNY3
Isoform	—
PDB entities	21
Chains and sequence ranges	Author chain Z； PDBConstruct 1–62； UniProt 1–62 Author chain z； PDBConstruct 1–62； UniProt 1–62

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	7rcv
Deposition date deposition_date	2021-07-08
Structure title title	High-resolution structure of photosystem II from the mesophilic cyanobacterium, Synechocystis sp. PCC 6803
Keywords keywords	Photosystem II, Cyanobacteria, Synechocystis 6803, Mesophile, CyanoQ, 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.

7rcv__assembly_1__model_1

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

Download this curve (.dat)

7rcv__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

7rcv__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	59.07 Å
Rg (electron density)	58.37 Å
Total Rg	58.61 Å
Atom count	53420
Residues	5536
Excluded volume	992770 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`7rcv__assembly_1__model_1`	42-meric （42）	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 (38)

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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,a
Atom count atom_count	54656

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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,b

MGLPWYRVHTVVLNDPGRLISVHLMHTALVAGWAGSMALYELAIFDSSDAVLNPMWRQGMFVLPFMARLGVTSSWNGWSVTGETGLDPGFWSFEGVAAAHIVLSGLLFLAAVWHWVFWDLELFVDPRTGESALDLPKMFGIHLFLSGLLCFGFGAFHLTGVWGPGMWVSDPYGLTGHVQPVAPEWGPAGFNPFNPGGVVAHHIAAGIVGIIAGLFHLTVRPPERLYKALRMGNIETVLSSSIAAVFFAAFVVAGTMWYGNATTPIELFGPTRYQWDKGYFQEEIQRRVDSQLAEGASLSEAWSTIPEKLAFYDYVGNSPAKGGLFRTGAMNSGDGIAQEWIGHPIFKDKEGRELEVRRMPNFFETFPVIMTDADGVVRADIPFRRSESKFSVEQTGVTVSFYGGALDGQTFSNPSDVKKFARKAQLGEGFDFDTETFNSDGVFRTSPRGWFTFGHAVFALLFFFGHIWHGSRTLFRDVFAGVDPGLEEQVEFGVFAKVGDLSTRKEA

Entity 3 Entity 3 polymer

Description description	Photosystem II CP43 reaction center protein
Molecular weight formula_weight	50344.7 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	C,c

MVTLSNTSMVGGRDLPSTGFAWWSGNARLINLSGKLLGAHVAHAGLIVFWAGAMTLFEVAHFIPEKPMYEQGLILLPHIATLGWGVGPAGEVTDIFPFFVVGVLHLISSAVLGLGGIYHALRGPEVLEEYSSFFGYDWKDKNQMTNIIGYHLILLGCGALLLVFKAMFFGGVYDTWAPGGGDVRVITNPTLNPAIIFGYLLKAPFGGEGWIISVNNMEDIIGGHIWIGLICISGGIWHILTKPFGWARRALIWSGEAYLSYSLGALSLMGFIASVFVWFNNTAYPSEFYGPTGMEASQSQAFTFLVRDQRLGANIASAQGPTGLGKYLMRSPSGEIIFGGETMRFWDFRGPWLEPLRGPNGLDLDKLRNDIQPWQVRRAAEYMTHAPLGSLNSVGGVITDVNSFNYVSPRAWLATSHFVLGFFFLVGHLWHAGRARAAAAGFEKGIDRETEPTLFMPDLD

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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	D,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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	E,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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	F,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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	H,h

MAQRTRLGDILRPLNSEYGKVVPGWGTTPVMGVFMALFLVFLLIILQIYNSSLILEGFSVDWAG

Entity 8 Entity 8 polymer

Description description	Photosystem II reaction center protein I
Molecular weight formula_weight	4338.1 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	I,i

MLTLKIAVYIVVGLFISLFIFGFLSSDPTRNPGRKDFE

Entity 9 Entity 9 polymer

Description description	Photosystem II reaction center protein J
Molecular weight formula_weight	3976.7 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	J,j

MFAEGRIPLWVVGVVAGIGAIGVLGLFFYGAYAGLGSSM

Entity 10 Entity 10 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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	K,k

METIYLLAKLPEAYQIFDPLVDVLPVIPLFFLALAFVWQAAVGFK

Entity 11 Entity 11 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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	L,l

MDRNSNPNRQPVELNRTSLYLGLLLVAVLGILFSSYFFN

Entity 12 Entity 12 polymer

Description description	Photosystem II reaction center protein M
Molecular weight formula_weight	3910.6 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	M,m

MQVNNLGFIASILFVLVPTVFLLILFIQTGKQSES

Entity 13 Entity 13 polymer

Description description	Photosystem II manganese-stabilizing polypeptide
Molecular weight formula_weight	26959.0 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	O,o

AVDKSQLTYDDIVNTGLANVCPEISSFTRGTIEVEPNTKYFVSDFCMEPQEYFVKEEPVNKRQKAEYVKGKVLTRQTTSLEQIRGSIAVGADGTLTFKEKDGIDFQPITVLLPGGEEVPFFFTVKNFTGTTEPGFTSINSSTDFVGDFNVPSYRGAGFLDPKARGLYTGYDNAVALPSAADKFRTNKKETPLGKGTLSLQVTQVDGSTGEIAGIFESEQPSDTDLGAKEPLDVKVRGIFYGRVDTDV

Entity 14 Entity 14 polymer

Description description	Sll1638 protein
Molecular weight formula_weight	16494.9 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Q,q

MSRLRSLLSLILVLVTTVLVSCSSPQVEIPTTYSPEKIAQLQVYVNPIAVARDGMEKRLQGLIADQNWVDTQTYIHGPLGQLRRDMLGLASSLLPKDQDKAKTLAKEVFGHLERLDAAAKDRNGSQAKIQYQEALADFDSFLNLLPQAS

Entity 15 Entity 15 polymer

Description description	Photosystem II protein Y
Molecular weight formula_weight	4205.0 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	R,r

MDWRVIVVVSPLLIAATWAAINIGAAAIRQLQDVLGREA

Entity 16 Entity 16 polymer

Description description	Photosystem II reaction center protein T
Molecular weight formula_weight	3571.3 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	T,t

MESVAYILVLTMALAVLFFAIAFREPPRIEK

Entity 17 Entity 17 polymer

Description description	Photosystem II 12 kDa extrinsic protein
Molecular weight formula_weight	14256.2 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	U,u

MKFISRLLVACSLLIGLMGFLGADLAQALTPNPILAELNAVDAKLTTDFGQKIDLNNSDIRDFRGLRGFYPNLASEIIKNAPYDTVEEVLDIPGLSETQKSRLEANLGSFTVTEPSIELTSGDDRINPGVY

Entity 18 Entity 18 polymer

Description description	Cytochrome c-550
Molecular weight formula_weight	17901.0 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	V,v

MKRFFLVAIASVLFFFNTMVGSANAVELTESTRTIPLDEAGGTTTLTARQFTNGQKIFVDTCTQCHLQGKTKTNNNVSLGLADLAGAEPRRDNVLALVEFLKNPKSYDGEDDYSELHPNISRPDIYPEMRNYTEDDIFDVAGYTLIAPKLDERWGGTIYF

Entity 19 Entity 19 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	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	X,x

MTPSLANFLWSLVLGAAIVLIPATVGLIFISQKDKITRS

Entity 20 Entity 20 polymer

Description description	Photosystem II reaction center protein Ycf12
Molecular weight formula_weight	4144.0 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Y,y

MELLAALNLEPIFQLTFLGLIVLAGPAVVFVLAFRGGDL

Entity 21 Entity 21 polymer

Description description	Photosystem II reaction center protein Z
Molecular weight formula_weight	6736.2 kDa
Source method src_method	nat
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	Z,z

MSIVFQIALAALVLFSFVMVVGVPVAYASPQNWDRSKPLLYLGSGIWAILVIVVALLNFLVV

Entity 22 Entity 22 non-polymer

Description description	CA-MN4-O5 CLUSTER
Molecular weight formula_weight	339.8 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 23 Entity 23 non-polymer

Description description	FE (II) ION
Molecular weight formula_weight	55.8 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 24 Entity 24 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 25 Entity 25 non-polymer

Description description	CHLOROPHYLL A
Molecular weight formula_weight	893.5 kDa
Source method src_method	syn
Copy count entity_count	70

Entity 26 Entity 26 non-polymer

Description description	PHEOPHYTIN A
Molecular weight formula_weight	871.2 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 27 Entity 27 non-polymer

Description description	BETA-CAROTENE
Molecular weight formula_weight	536.9 kDa
Source method src_method	syn
Copy count entity_count	18

Entity 28 Entity 28 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	14

Entity 29 Entity 29 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	12

Entity 30 Entity 30 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	4

Entity 31 Entity 31 non-polymer

Description description	DODECYL-BETA-D-MALTOSIDE
Molecular weight formula_weight	510.6 kDa
Source method src_method	syn
Copy count entity_count	62

Entity 32 Entity 32 non-polymer

Description description	BICARBONATE ION
Molecular weight formula_weight	61.0 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 33 Entity 33 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	14

Entity 34 Entity 34 non-polymer

Description description	DIGALACTOSYL DIACYL GLYCEROL (DGDG)
Molecular weight formula_weight	949.3 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 35 Entity 35 non-polymer

Description description	PROTOPORPHYRIN IX CONTAINING FE
Molecular weight formula_weight	616.5 kDa
Source method src_method	syn
Copy count entity_count	4

Entity 36 Entity 36 non-polymer

Description description	CALCIUM ION
Molecular weight formula_weight	40.1 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 37 Entity 37 non-polymer

Description description	(3R)-beta,beta-caroten-3-ol
Molecular weight formula_weight	552.9 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 38 Entity 38 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1236

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	7rcvA01
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

Domain ID domain_id	7rcvE01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	860 — Photosystem II cytochrome b559, alpha subunit

Domain ID domain_id	7rcva01
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

Domain ID domain_id	7rcve01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	860 — Photosystem II cytochrome b559, alpha subunit

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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	—

Resolution resolution	2.01 Å
Resolution测定Method resolution_method	—
颗粒数 num_particles	202844

High-resolution structure of photosystem II from the mesophilic cyanobacterium, 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 J

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