› 1nze

X-ray diffraction
1.95Å resolution

Crystal structure of PsbQ polypeptide of photosystem II from higher plants

Released:
DOI: 10.2210/pdb1nze/pdb
PDB entry 1nze coloured by chain, front view.
PDB entry 1nze coloured by chain, side view.
PDB entry 1nze coloured by chain, top view.
Source organism: Spinacia oleracea
Primary publication:
Crystal structure of the PsbQ protein of photosystem II from higher plants.
Calderone V, Trabucco M, Vujicić A, Battistutta R, Giacometti GM, Andreucci F, Barbato R, Zanotti G
EMBO Rep 4 900-5 (2003)
PMID: 12949587

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-146134 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Oxygen-evolving enhancer protein 3, chloroplastic Chain: A
Molecule details ›
Chain: A
Length: 149 amino acids
Theoretical weight: 16.54 KDa
Source organism: Spinacia oleracea
UniProt:
  • Canonical: P12301 (Residues: 84-232; Coverage: 64%)
Gene name: PSBQ
Sequence domains: Oxygen evolving enhancer protein 3 (PsbQ)
Structure domains: Oxygen-evolving enhancer protein 3 (PsbQ), four-helix up-down bundle

Ligands and Environments

1 bound ligand:
Ligand ZN 1 x ZN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P3221
Unit cell:
a: 50.282Å b: 50.282Å c: 94.067Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.229 0.227 0.268

Quick links

Citations

16 review citations

Structure and function of photosystems I and II.
Nelson et al. (2006)
15 more

5 mentions without citation

Improving the physical realism and structural accuracy of protein models by a two-step atomic-level energy minimization.
Xu et al. (2011)
4 more