› 3qbm

X-ray diffraction
1.8Å resolution

Crystal structure of a TetR transcriptional regulator (Caur_2221) from CHLOROFLEXUS AURANTIACUS J-10-FL at 1.80 A resolution

Released:
DOI: 10.2210/pdb3qbm/pdb
PDB entry 3qbm coloured by chain, front view.
PDB entry 3qbm coloured by chain, side view.
PDB entry 3qbm coloured by chain, top view.
Source organism: Chloroflexus aurantiacus J-10-fl
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-109065 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH tetR-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 199 amino acids
Theoretical weight: 22.19 KDa
Source organism: Chloroflexus aurantiacus J-10-fl
Expression system: Escherichia coli
UniProt:
  • Canonical: A9WFT0 (Residues: 1-198; Coverage: 100%)
Gene name: Caur_2221
Sequence domains:
Structure domains: Tetracycline Repressor, domain 2

Ligands and Environments

3 bound ligands:
Ligand MG 2 x MG
Ligand PEG 8 x PEG
Ligand PGE 1 x PGE
1 modified residue:
Ligand MSE 10 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: P21
Unit cell:
a: 43.335Å b: 106.449Å c: 45.577Å
α: 90° β: 110.94° γ: 90°
R-values:
R R work R free
0.167 0.165 0.213
Expression system: Escherichia coli

Quick links