Catalysis of the covalent hydration of pteridine by adenosine aminohydrolase.
D000241:Adenosine; D000588:Amines; D000619:Aminohydrolases / Q000037:antagonists & inhibitors; D000818:Animals; D002384:Catalysis; D002417:Cattle; D055598:Chemical Phenomena; D002621:Chemistry; D003641:Deamination; D003903:Deuterium; D004126:Dimethylformamide; D004355:Drug Stability; D004386:Duodenum / Q000201:enzymology; D005658:Fungi / Q000201:enzymology; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D009904:Optical Rotation; D011621:Pteridines; D013045:Species Specificity; D013053:Spectrophotometry; D013056:Spectrophotometry, Ultraviolet; D014867:Water
D000588:Amines; D011621:Pteridines; D014867:Water; D004126:Dimethylformamide; D003903:Deuterium; D000619:Aminohydrolases; D000241:Adenosine