2arc

X-ray diffraction
1.5Å resolution

ESCHERICHIA COLI REGULATORY PROTEIN ARAC COMPLEXED WITH L-ARABINOSE

Released:

Function and Biology Details

Biochemical function:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-141871 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Arabinose operon regulatory protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 164 amino acids
Theoretical weight: 19.07 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P0A9E0 (Residues: 7-170; Coverage: 56%)
Gene names: JW0063, araC, b0064
Sequence domains: AraC-like ligand binding domain
Structure domains: Regulatory protein AraC

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4A
Spacegroup: P21
Unit cell:
a: 39.75Å b: 93.84Å c: 50.33Å
α: 90° β: 95.62° γ: 90°
R-values:
R R work R free
0.179 0.179 0.232
Expression system: Escherichia coli