IUBMB Enzyme Nomenclature


Accepted name: guanosine deaminase

Reaction: guanosine + H2O = xanthosine + NH3

Other name(s): guanosine aminase

Systematic name: guanosine aminohydrolase

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number: 9067-85-0


1. Isihida, Y., Shirafiji, H., Kida, M. and Yoneda, M. Studies on the guanosine degrading system in bacterial cell. III. Preparation and properties of guanosine deaminase. Agric. Biol. Chem. 33 (1969) 384-390.

[EC created 1972]

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