› 3crj

X-ray diffraction
2.6Å resolution

Crystal structure of a TetR transcription regulator from Haloarcula marismortui ATCC 43049

Released:
DOI: 10.2210/pdb3crj/pdb
PDB entry 3crj coloured by chain, front view.
PDB entry 3crj coloured by chain, side view.
PDB entry 3crj coloured by chain, top view.
Source organism: Haloarcula marismortui ATCC 43049
Entry authors: Tan K, Zhou M, Freeman L, Joachimiak A, Midwest Center for Structural Genomics (MCSG)

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-178404 (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: 199 amino acids
Theoretical weight: 23.02 KDa
Source organism: Haloarcula marismortui ATCC 43049
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: Q5V649 (Residues: 1-196; Coverage: 100%)
Gene names: E6P14_03590, pNG7308, tetR
Sequence domains:
Structure domains: Tetracycline Repressor, domain 2

Ligands and Environments

1 bound ligand:
Ligand CL 1 x CL
1 modified residue:
Ligand MSE 24 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P212121
Unit cell:
a: 62.494Å b: 103.361Å c: 167.898Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.236 0.234 0.288
Expression system: Escherichia coli BL21

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