› 3g85

X-ray diffraction
1.84Å resolution

Crystal structure of LacI family transcription regulator from Clostridium acetobutylicum

Released:
DOI: 10.2210/pdb3g85/pdb
PDB entry 3g85 coloured by chain, front view.
PDB entry 3g85 coloured by chain, side view.
PDB entry 3g85 coloured by chain, top view.
Source organism: Clostridium acetobutylicum ATCC 824
Entry authors: Bagaria A, Burley SK, Swaminathan S, New York SGX Research Center for Structural Genomics (NYSGXRC)

Function and Biology Details

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

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Assembly name:
PDBe Complex ID:
PDB-CPX-188888 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH lacI-type domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 289 amino acids
Theoretical weight: 32.62 KDa
Source organism: Clostridium acetobutylicum ATCC 824
Expression system: Escherichia coli
UniProt:
  • Canonical: Q97DC5 (Residues: 58-335; Coverage: 83%)
Gene name: CA_C3553
Sequence domains: Periplasmic binding protein-like domain
Structure domains: Rossmann fold

Ligands and Environments

1 bound ligand:
Ligand GOL 1 x GOL
1 modified residue:
Ligand MSE 6 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: C2221
Unit cell:
a: 70.024Å b: 96.058Å c: 99.976Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.186 0.184 0.23
Expression system: Escherichia coli

Quick links