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In enzymology, an amidinoaspartase (EC is an enzyme that catalyzes the chemical reaction

N-amidino-L-aspartate + H2O L-aspartate + urea

Thus, the two substrates of this enzyme are N-amidino-L-aspartate and H2O, whereas its two products are L-aspartate and urea.

This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in linear amidines. The systematic name of this enzyme class is N-amidino-L-aspartate amidinohydrolase. This enzyme is also called amidinoaspartic amidinohydrolase.


  • IUBMB entry for
  • BRENDA references for (Recommended.)
  • PubMed references for
  • PubMed Central references for
  • Google Scholar references for
  • Milstien S, Goldman P (1972). "Metabolism of guanidinosuccinic acid. I. Characterization of a specific amidino hydrolase from Pseudomonas chlororaphis". J. Biol. Chem. 247: 6280&ndash, 3. PMID 4651648.

External links

The CAS registry number for this enzyme class is 37325-60-3.

Gene Ontology (GO) codes