Guanine deaminase.

5-methylthioadenosine/S-adenosylhomocysteine deaminase
5-methylthioadenosine/S-adenosylhomocysteine deaminase
Guanine deaminase (Guanase) (Guanine aminase) (Guanine aminohydrolase) (GAH) (GDEase) (RefSeq)
guanine deaminase (RefSeq)