3pas

X-ray diffraction
1.9Å resolution

Crystal structure of a TetR family transcription regulator (Maqu_1417) from MARINOBACTER AQUAEOLEI VT8 at 1.90 A resolution

Released:
Entry author: Joint Center for Structural Genomics (JCSG)

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: 195 amino acids
Theoretical weight: 22.59 KDa
Source organism: Marinobacter hydrocarbonoclasticus VT8
Expression system: Escherichia coli
UniProt:
  • Canonical: A1U0I5 (Residues: 1-194; Coverage: 100%)
Gene name: Maqu_1417
Sequence domains:
Structure domains: Tetracycline Repressor, domain 2

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL14-1
Spacegroup: P212121
Unit cell:
a: 67.118Å b: 106.18Å c: 117.408Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.169 0.167 0.211
Expression system: Escherichia coli