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.