guanosine phosphorylase activity
Catalysis of the reaction: guanosine + phosphate = alpha-D-ribose 1-phosphate + guanine.
GO:0004731
purine-nucleoside phosphorylase activity
is_a
guanosine:phosphate D-ribosyltransferase activity
related
guanosine:phosphate alpha-D-ribosyltransferase activity
related