X-ray diffraction
2.03Å resolution

Crystal structure of human dimethylarginine dymethylaminohydrolase-1 (DDAH-1)


Function and Biology Details

Reaction catalysed:
N(omega),N(omega)-dimethyl-L-arginine + H(2)O = dimethylamine + L-citrulline
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
N(G),N(G)-dimethylarginine dimethylaminohydrolase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 308 amino acids
Theoretical weight: 33.62 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: O94760 (Residues: 1-285; Coverage: 100%)
Gene names: DDAH, DDAH1
Sequence domains: Arginine deiminase
Structure domains: L-arginine/glycine Amidinotransferase; Chain A

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RUH3R
Spacegroup: P21
Unit cell:
a: 72.995Å b: 47.926Å c: 90.318Å
α: 90° β: 94.16° γ: 90°
R R work R free
0.189 0.189 0.225
Expression system: Escherichia coli