X-ray diffraction
2.78Å resolution

Crystal structure of the TetR transcriptional regulator from Nitrosomonas europaea ATCC 19718

Source organism: Nitrosomonas europaea
Entry authors: Knapik A, Chruszcz M, Cymborowski M, Xu X, Savchenko A, Edwards A, Joachimiak A, Minor W, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

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

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: 213 amino acids
Theoretical weight: 25.6 KDa
Source organism: Nitrosomonas europaea
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q82XH4 (Residues: 1-213; Coverage: 100%)
Gene name: NE0300
Sequence domains:
Structure domains: Tetracycline Repressor, domain 2

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 64.222Å b: 75.378Å c: 98.079Å
α: 90° β: 90° γ: 90°
R R work R free
0.25 0.249 0.279
Expression system: Escherichia coli BL21(DE3)