X-ray diffraction
1.8Å resolution

The crystal structure of a probable AraC family transcriptional regulator from Rhodopseudomonas palustris CGA009

Entry authors: Tan K, Li H, Buck K, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Biochemical function:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
HTH araC/xylS-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 108 amino acids
Theoretical weight: 12.23 KDa
Source organism: Rhodopseudomonas palustris CGA009
Expression system: Escherichia coli
  • Canonical: Q6NCA5 (Residues: 221-325; Coverage: 32%)
Gene name: RPA0567
Sequence domains: Helix-turn-helix domain
Structure domains: Homeodomain-like

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P65
Unit cell:
a: 64.097Å b: 64.097Å c: 88.088Å
α: 90° β: 90° γ: 120°
R R work R free
0.201 0.198 0.248
Expression system: Escherichia coli