› 3gbv

X-ray diffraction
2.2Å resolution

Crystal structure of a putative LacI transcriptional regulator from Bacteroides fragilis

Released:
DOI: 10.2210/pdb3gbv/pdb
PDB entry 3gbv coloured by chain, front view.
PDB entry 3gbv coloured by chain, side view.
PDB entry 3gbv coloured by chain, top view.
Source organism: Bacteroides fragilis NCTC 9343
Entry authors: Syed Ibrahim B, Kumaran D, 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

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-104706 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
LacI-family transcriptional regulator Chains: A, B
Molecule details ›
Chains: A, B
Length: 304 amino acids
Theoretical weight: 35.48 KDa
Source organism: Bacteroides fragilis NCTC 9343
Expression system: Escherichia coli
UniProt:
  • Canonical: A0A381D6S6 (Residues: 61-353; Coverage: 83%)
Gene name: BF9343_2635
Sequence domains: Periplasmic binding protein domain
Structure domains: Rossmann fold

Ligands and Environments

2 bound ligands:
Ligand EDO 6 x EDO
Ligand NA 1 x NA
1 modified residue:
Ligand MSE 14 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X25
Spacegroup: C2221
Unit cell:
a: 43.976Å b: 240.568Å c: 119.214Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.21 0.21 0.24
Expression system: Escherichia coli

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