1x87

X-ray diffraction
2.4Å resolution

2.4A X-ray structure of Urocanase protein complexed with NAD

Released:
Entry authors: Tereshko V, Zaborske J, Gilbreth R, Dementieva I, Collart F, Joachimiak A, Kossiakoff A, Midwest Center for Structural Genomics (MCSG)

Function and Biology Details

Reaction catalysed:
3-(5-oxo-4,5-dihydro-3H-imidazol-4-yl)propanoate = urocanate + H(2)O
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-177402 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Urocanate hydratase Chains: A, B
Molecule details ›
Chains: A, B
Length: 551 amino acids
Theoretical weight: 60.98 KDa
Source organism: Geobacillus stearothermophilus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q5L084 (Residues: 1-551; Coverage: 100%)
Gene names: GK1367, hutU
Sequence domains:
Structure domains:

Ligands and Environments


Cofactor: Ligand NAD 2 x NAD
No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 100.118Å b: 101.614Å c: 113.854Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.189 0.187 0.232
Expression system: Escherichia coli