› 4aux

X-ray diffraction
2.25Å resolution

Tet repressor class D in complex with 9-nitrotetracycline

Released:
DOI: 10.2210/pdb4aux/pdb
PDB entry 4aux coloured by chain, front view.
PDB entry 4aux coloured by chain, side view.
PDB entry 4aux coloured by chain, top view.
Source organism: Escherichia coli K-12
Entry authors: Orth P, Saenger W, Hinrichs W

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-142298 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tetracycline repressor protein class D Chain: A
Molecule details ›
Chain: A
Length: 207 amino acids
Theoretical weight: 23.27 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P0ACT4 (Residues: 2-208; Coverage: 95%)
Gene name: tetR
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:
Ligand XTC 1 x XTC
Ligand MG 1 x MG
Ligand CL 2 x CL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: LURE BEAMLINE DW32
Spacegroup: I4122
Unit cell:
a: 69.1Å b: 69.1Å c: 182.93Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.213 0.209 0.258
Expression system: Escherichia coli K-12

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