› 3k9c

X-ray diffraction
2.14Å resolution

Crystal structure of LacI Transcriptional regulator from Rhodococcus species.

Released:
DOI: 10.2210/pdb3k9c/pdb
PDB entry 3k9c coloured by chain, front view.
PDB entry 3k9c coloured by chain, side view.
PDB entry 3k9c coloured by chain, top view.
Source organism: Rhodococcus jostii RHA1
Entry authors: Damodharan L, 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-171113 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
HTH lacI-type domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 289 amino acids
Theoretical weight: 30.81 KDa
Source organism: Rhodococcus jostii RHA1
Expression system: Escherichia coli
UniProt:
  • Canonical: Q0S5Y9 (Residues: 63-340; Coverage: 82%)
Gene name: RHA1_ro05266
Sequence domains: Periplasmic binding protein-like domain
Structure domains: Rossmann fold

Ligands and Environments

1 bound ligand:
Ligand GOL 2 x GOL
1 modified residue:
Ligand MSE 16 x MSE

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X29A
Spacegroup: C2221
Unit cell:
a: 98.435Å b: 100.543Å c: 106.433Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.209 0.209 0.243
Expression system: Escherichia coli

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