› 2xb3

X-ray diffraction
2.8Å resolution

The Structure of Cyanobacterial PsbP

Released:
DOI: 10.2210/pdb2xb3/pdb
PDB entry 2xb3 coloured by chain, front view.
PDB entry 2xb3 coloured by chain, side view.
PDB entry 2xb3 coloured by chain, top view.
Source organism: Thermosynechococcus vestitus BP-1
Primary publication:
Structure of CyanoP at 2.8 A: implications for the evolution and function of the PsbP subunit of photosystem II .
Michoux F, Takasaka K, Boehm M, Nixon PJ, Murray JW
Biochemistry 49 7411-3 (2010)
PMID: 20698571

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
homo dimer
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-184054 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
CyanoP Chain: A
Molecule details ›
Chain: A
Length: 165 amino acids
Theoretical weight: 18.09 KDa
Source organism: Thermosynechococcus vestitus BP-1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8DH84 (Residues: 19-183; Coverage: 100%)
Gene names: psbP, tlr2075
Sequence domains:
Structure domains: Mog1/PsbP, alpha/beta/alpha sandwich

Ligands and Environments

1 bound ligand:
Ligand ZN 5 x ZN
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I02
Spacegroup: P3221
Unit cell:
a: 64.946Å b: 64.946Å c: 81.806Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.194 0.192 0.238
Expression system: Escherichia coli

Quick links

Citations

10 review citations

Identification and Roles of Photosystem II Assembly, Stability, and Repair Factors in Arabidopsis.
Lu Y. (2016)
9 more

7 mentions without citation

The conserved His-144 in the PsbP protein is important for the interaction between the PsbP N-terminus and the Cyt b559 subunit of photosystem II.
Ido et al. (2012)
6 more