› 3npi

X-ray diffraction
2.96Å resolution

Crystal structure of a TetR family regulatory protein (DIP1788) from CORYNEBACTERIUM DIPHTHERIAE at 2.96 A resolution

Released:
DOI: 10.2210/pdb3npi/pdb
PDB entry 3npi coloured by chain, front view.
PDB entry 3npi coloured by chain, side view.
PDB entry 3npi coloured by chain, top view.
Source organism: Corynebacterium diphtheriae
Entry author: Joint Center for Structural Genomics (JCSG)

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-180038 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH tetR-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 251 amino acids
Theoretical weight: 28.22 KDa
Source organism: Corynebacterium diphtheriae
Expression system: Escherichia coli
UniProt:
  • Canonical: Q6NFU8 (Residues: 1-250; Coverage: 100%)
Gene name: DIP1788
Sequence domains:
Structure domains: Tetracycline Repressor, domain 2

Ligands and Environments

1 bound ligand:
Ligand SO4 8 x SO4
1 modified residue:
Ligand MSE 22 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P3221
Unit cell:
a: 137.238Å b: 137.238Å c: 54.725Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.202 0.201 0.222
Expression system: Escherichia coli

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