guanine deaminase activity
Catalysis of the reaction: guanine + H2O = xanthine + NH3.
EC:3.5.4.3
GAH activity
GO:0008892
MetaCyc:GUANINE-DEAMINASE-RXN
RHEA:14668
Reactome:REACT_100021
Reactome:REACT_102945
Reactome:REACT_104237
Reactome:REACT_107253
Reactome:REACT_1442
Reactome:REACT_29585
Reactome:REACT_30054
Reactome:REACT_31176
Reactome:REACT_31455
Reactome:REACT_34439
Reactome:REACT_78829
Reactome:REACT_81559
Reactome:REACT_91279
Reactome:REACT_92579
Reactome:REACT_93510
Reactome:REACT_94677
guanase activity
guanine aminase activity
guanine aminohydrolase activity
molecular_function