X-ray diffraction
2.1Å resolution

Crystal structure of TetR transcriptional regulator from Agrobacterium tumefaciens

Entry authors: Osipiuk J, Skarina T, Zheng H, Savchenko A, Edwards AM, Joachimiak 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
HTH tetR-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 221 amino acids
Theoretical weight: 24.31 KDa
Source organism: Agrobacterium fabrum str. C58
Expression system: Escherichia coli BL21(DE3)
  • Canonical: A9CID8 (Residues: 1-217; Coverage: 100%)
Gene name: Atu2020
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: P212121
Unit cell:
a: 44.134Å b: 72.791Å c: 127.198Å
α: 90° β: 90° γ: 90°
R R work R free
0.201 0.198 0.241
Expression system: Escherichia coli BL21(DE3)