› 1vyk

X-ray diffraction
1.49Å resolution

CRYSTAL STRUCTURE OF PSBQ PROTEIN OF PHOTOSYSTEM II FROM HIGHER PLANTS

Released:
DOI: 10.2210/pdb1vyk/pdb
PDB entry 1vyk coloured by chain, front view.
PDB entry 1vyk coloured by chain, side view.
PDB entry 1vyk coloured by chain, top view.
Source organism: Spinacia oleracea
Primary publication:
The 1.49 A resolution crystal structure of PsbQ from photosystem II of Spinacia oleracea reveals a PPII structure in the N-terminal region.
Balsera M, Arellano JB, Revuelta JL, de las Rivas J, Hermoso JA
J Mol Biol 350 1051-60 (2005)
PMID: 15982665

Function and Biology Details

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

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

2 bound ligands:
Ligand ZN 2 x ZN
Ligand ACT 1 x ACT
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: P3221
Unit cell:
a: 49.938Å b: 49.938Å c: 96.972Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.164 0.163 0.2

Quick links

Citations

14 review citations

The extrinsic proteins of Photosystem II.
Roose et al. (2007)
13 more

7 mentions without citation

Constraint-based, homology model of the extracellular domain of the epithelial Na+ channel α subunit reveals a mechanism of channel activation by proteases.
Kashlan et al. (2011)
6 more