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› 1s5l

X-ray diffraction
3.5Å resolution

Architecture of the photosynthetic oxygen evolving center

Released:
DOI: 10.2210/pdb1s5l/pdb
Model geometry
Fit model/data
PDB entry 1s5l coloured by chain, front view.
PDB entry 1s5l coloured by chain, side view.
PDB entry 1s5l coloured by chain, top view.
Source organism: Thermosynechococcus vestitus
Primary publication:
Architecture of the photosynthetic oxygen-evolving center.
Ferreira KN, Iverson TM, Maghlaoui K, Barber J, Iwata S
Science 303 1831-8 (2004)
PMID: 14764885

Function and Biology Details

Reaction catalysed: 
2 a plastoquinone + 4 hnu + 2 H2O = 2 a plastoquinol + O2.
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero nonadecamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-141171 (preferred)
Entry contents:
19 distinct polypeptide molecules
Macromolecules (19 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
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
UniProt:
  • Canonical: Q8DIQ1 (Residues: 1-510; Coverage: 100%)
Gene names: psbB, tlr1530
Sequence domains: Photosystem II protein
Structure domains: Photosystem II CP47 reaction center 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 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 PsbN protein Chains: N, n
Photosystem II reaction center protein Z Chains: Z, z

Ligands and Environments


Cofactor: Ligand HEC 4 x HEC
8 bound ligands:
Ligand FE 2 x FE
Ligand BCT 4 x BCT
Ligand OEC 2 x OEC
Ligand CLA 72 x CLA
Ligand PHO 4 x PHO
Ligand PL9 4 x PL9
Ligand LMT 2 x LMT
Ligand BCR 14 x BCR
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: SLS BEAMLINE X06SA
Spacegroup: P212121
Unit cell:
a: 134.992Å b: 228.849Å c: 309.94Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.296 0.296 0.342

Quick links

Citations

259 review citations

Proton-coupled electron transfer.
Huynh et al. (2007)
258 more

28 mentions without citation

Protein design: toward functional metalloenzymes.
Yu et al. (2014)
27 more