› 3nnr

X-ray diffraction
2.49Å resolution

Crystal structure of a TetR-family transcriptional regulator (Maqu_3571) from MARINOBACTER AQUAEOLEI VT8 at 2.49 A resolution

Released:
DOI: 10.2210/pdb3nnr/pdb
PDB entry 3nnr coloured by chain, front view.
PDB entry 3nnr coloured by chain, side view.
PDB entry 3nnr coloured by chain, top view.
Source organism: Marinobacter nauticus VT8
Entry author: Joint Center for Structural Genomics (JCSG)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-106725 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH tetR-type domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 228 amino acids
Theoretical weight: 26.9 KDa
Source organism: Marinobacter nauticus VT8
Expression system: Escherichia coli
UniProt:
  • Canonical: A1U6M1 (Residues: 1-227; Coverage: 100%)
Gene name: Maqu_3571
Sequence domains:
Structure domains: Tetracycline Repressor, domain 2

Ligands and Environments

2 bound ligands:
Ligand UNL 1 x UNL
Ligand SO4 2 x SO4
1 modified residue:
Ligand MSE 5 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL9-2
Spacegroup: P43212
Unit cell:
a: 58.745Å b: 58.745Å c: 172.65Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.232 0.23 0.26
Expression system: Escherichia coli

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