IUBMB Enzyme Nomenclature


Accepted name: guanosine phosphorylase

Reaction: guanosine + phosphate = guanine + α-D-ribose 1-phosphate

Other Name(s): guanosine:phosphate D-ribosyltransferase

Systematic name: guanosine:phosphate α-D-ribosyltransferase

Comments: Also acts on deoxyguanosine.

Links to other databases: BRENDA, EXPASY, GTD, KEGG, Metacyc, CAS registry number: 9030-28-8


1. Yamada, E.W. The phosphorolysis of nucleosides by rabbit bone marrow. J. Biol. Chem. 236 (1961) 3043-3046.

[EC created 1965]

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