Allantoinase in the marine polychaete Eudistylia vancouveri.
Allantoinase, an enzyme in the purine-urea cycle, was found in Eudistylia vancouveri (Polychaeta). The enzyme had a pH optimum at 7.6. The Km was 0.012 M allantoin, and the Arrhenius energy of activation was 12.6 to 14.6 kcal/mol.
D000481:Allantoin / Q000378:metabolism*; D000581:Amidohydrolases / Q000378:metabolism*; D000818:Animals; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D011077:Polychaeta / Q000201:enzymology*; D013816:Thermodynamics
D000481:Allantoin; D000581:Amidohydrolases; C019659:allantoinase