› 3kjx

X-ray diffraction
2.33Å resolution

Crystal structure of a transcriptional regulator, Lacl family protein from Silicibacter pomeroyi

Released:
DOI: 10.2210/pdb3kjx/pdb
PDB entry 3kjx coloured by chain, front view.
PDB entry 3kjx coloured by chain, side view.
PDB entry 3kjx coloured by chain, top view.
Source organism: Ruegeria pomeroyi
Entry authors: Palani K, Burley SK, Swaminathan S, New York SGX Research Center for Structural Genomics (NYSGXRC)

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-177532 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH lacI-type domain-containing protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 344 amino acids
Theoretical weight: 38.32 KDa
Source organism: Ruegeria pomeroyi
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q5LM80 (Residues: 2-340; Coverage: 99%)
Gene name: SPO3684
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
1 modified residue:
Ligand MSE 56 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: P212121
Unit cell:
a: 68.662Å b: 137.392Å c: 154.984Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.238 0.238 0.287
Expression system: Escherichia coli BL21(DE3)

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