3fiw

X-ray diffraction
2.2Å resolution

Structure of SCO0253, a Tetr-family transcriptional regulator from Streptomyces coelicolor

Released:
Source organism: Streptomyces coelicolor
Entry authors: Singer AU, Xu X, Chang C, Gu J, Edwards AM, Joachimiak A, Savchenko A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH tetR-type domain-containing protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 211 amino acids
Theoretical weight: 23.91 KDa
Source organism: Streptomyces coelicolor
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9S1N8 (Residues: 1-190; Coverage: 100%)
Gene name: SCO0253
Sequence domains:
Structure domains:

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P21
Unit cell:
a: 64.487Å b: 114.352Å c: 67.446Å
α: 90° β: 90.14° γ: 90°
R-values:
R R work R free
0.192 0.189 0.256
Expression system: Escherichia coli