Enzyme:3.5.4.3

Upper Levels: EC3.-.-.- Hydrolases. : EC3.5.-.- Acting on carbon-nitrogen bonds, other than peptide bonds. : EC3.5.4.- In cyclic amidines.

IDs and Links
IUBMB	EC3
ExPaSy	NiceZyme 3.5.4.3

guanine aminohydrolase
Systematic Name	guanine aminohydrolase
Common Name	guanine deaminase guanase guanine aminase GAH

Guanine + H2O => Xanthine + NH3 (links: 2-Amino-3,7-dihydropurin-6-one = 3,7-Dihydropurine-2,6-dione + NH3)
2-Amino-3,7-dihydropurin-6-one <Mapping> AtomMap:BMCCPUGU0014$BMCCPUXA0021$0 3,7-Dihydropurine-2,6-dione 1 ↔ 1 2 ↔ 2 3 ↔ 3 4 ↔ 4 5 ↔ 5 6 ↔ 6 7 ↔ 7 8 ↔ 8 9 ↔ 9 2-Amino-3,7-dihydropurin-6-one <Mapping> AtomMap:BMCCPUGU0014$BMIONT--0004$0 NH3 10 ↔ 1