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Creatinine deaminase

From Wikipedia, the free encyclopedia
creatinine deaminase
Identifiers
EC no.3.5.4.21
CAS no.37289-15-9
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum
Gene OntologyAmiGO / QuickGO
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PMCarticles
PubMedarticles
NCBIproteins

In enzymology, a creatinine deaminase (EC 3.5.4.21) is an enzyme that catalyzes the chemical reaction

creatinine + H2O N-methylhydantoin + NH3

Thus, the two substrates of this enzyme are creatinine and H2O, whereas its two products are N-methylhydantoin and NH3.

This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in cyclic amidines. The systematic name of this enzyme class is creatinine iminohydrolase. Other names in common use include creatinine hydrolase, and creatinine desiminase. This enzyme participates in arginine and proline metabolism.

References

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  • Szulmajster J (October 1958). "Bacterial degradation of creatinine. II. Creatinine desimidase". Biochimica et Biophysica Acta. 30 (1): 154–63. doi:10.1016/0006-3002(58)90252-X. PMID 13584408.