Guanosine deaminase

guanosine deaminase
Identifiers
EC number 3.5.4.15
CAS number 9067-85-0
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO

In enzymology, a guanosine deaminase (EC 3.5.4.15) is an enzyme that catalyzes the chemical reaction

guanosine + H2O xanthosine + NH3

Thus, the two substrates of this enzyme are guanosine and H2O, whereas its two products are xanthosine 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 guanosine aminohydrolase. This enzyme is also called guanosine aminase.

References

    • Isihida Y, Shirafiji H, Kida M, Yoneda M (1969). "Studies on the guanosine degrading system in bacterial cell. III Preparation and properties of guanosine deaminase". Agric. Biol. Chem. 33: 384&ndash, 390. doi:10.1080/00021369.1969.10859324.
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