X-ray diffraction
2.9Å resolution

Crystal structure of reduced CprK in absence of any ligand


Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Crp/Fnr family transcriptional regulator Chains: A, B
Molecule details ›
Chains: A, B
Length: 232 amino acids
Theoretical weight: 26.68 KDa
Source organism: Desulfitobacterium dehalogenans
Expression system: Escherichia coli
  • Canonical: Q9LAS2 (Residues: 1-232; Coverage: 100%)
Gene name: cprK
Sequence domains: Crp-like helix-turn-helix domain
Structure domains:

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P21
Unit cell:
a: 72.637Å b: 50.03Å c: 76.415Å
α: 90° β: 105.54° γ: 90°
R R work R free
0.235 0.232 0.307
Expression system: Escherichia coli