› 7rf7

X-ray diffraction
2.09Å resolution

Function and Biology Details

Reaction catalysed: 
2 H(2)O + 2 plastoquinone + 4 light = O(2) + 2 plastoquinol
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero 40-mer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-141186 (preferred)
Entry contents:
20 distinct polypeptide molecules
Macromolecules (20 distinct):
Photosystem II protein D1 1 Chains: A, a
Molecule details ›
Chains: A, a
Length: 344 amino acids
Theoretical weight: 38.27 KDa
Source organism: Thermosynechococcus vestitus BP-1
UniProt:
  • Canonical: P0A444 (Residues: 1-344; Coverage: 96%)
Gene names: psbA-1, psbA1, tlr1843
Sequence domains: Photosynthetic reaction centre protein
Photosystem II CP47 reaction center protein Chains: B, b
Molecule details ›
Chains: B, b
Length: 510 amino acids
Theoretical weight: 56.66 KDa
Source organism: Thermosynechococcus vestitus BP-1
UniProt:
  • Canonical: Q8DIQ1 (Residues: 1-510; Coverage: 100%)
Gene names: psbB, tlr1530
Sequence domains: Photosystem II protein
Photosystem II CP43 reaction center protein Chains: C, c
Photosystem II D2 protein Chains: D, d
Cytochrome b559 subunit alpha Chains: E, e
Cytochrome b559 subunit beta Chains: F, f
Photosystem II reaction center protein H Chains: H, h
Photosystem II reaction center protein I Chains: I, i
Photosystem II reaction center protein J Chains: J, j
Photosystem II reaction center protein K Chains: K, k
Photosystem II reaction center protein L Chains: L, l
Photosystem II reaction center protein M Chains: M, m
Photosystem II extrinsic protein O Chains: O, o
Photosystem II reaction center protein Y Chains: R, r
Photosystem II reaction center protein T Chains: T, t
Photosystem II extrinsic protein U Chains: U, u
Photosystem II extrinsic protein V Chains: V, v
Photosystem II reaction center protein X Chains: X, x
Photosystem II reaction center protein Psb30 Chains: Y, y
Photosystem II reaction center protein Z Chains: Z, z

Ligands and Environments


Cofactor: Ligand HEM 2 x HEM

Cofactor: Ligand HEC 2 x HEC
14 bound ligands:
Ligand FE2 2 x FE2
Ligand CLA 70 x CLA
Ligand PHO 4 x PHO
Ligand BCR 22 x BCR
Ligand CL 4 x CL
Ligand BCT 2 x BCT
Ligand PL9 4 x PL9
Ligand LMG 13 x LMG
Ligand SQD 8 x SQD
Ligand LHG 10 x LHG
Ligand DGD 9 x DGD
Ligand OEY 2 x OEY
Ligand OEX 2 x OEX
Ligand STE 35 x STE
1 modified residue:
Ligand FME 6 x FME

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SLAC LCLS BEAMLINE MFX
Spacegroup: P212121
Unit cell:
a: 116.965Å b: 221.709Å c: 308.162Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.186 0.186 0.239

Quick links

Citations

13 review citations

Solar energy conversion by photosystem II: principles and structures.
Shevela et al. (2023)
12 more

2 mentions without citation

Structural dynamics in the water and proton channels of photosystem II during the S2 to S3 transition.
Hussein et al. (2021)
1 more