ID 4.99.1.5 DE Aliphatic aldoxime dehydratase. CA An aliphatic aldoxime = an aliphatic nitrile + H(2)O. CF Calcium; Protoheme IX. CC -!- Exhibits a strong preference for aliphatic aldoximes, such as CC butyraldoxime and acetaldoxime, over aromatic aldoximes, such as CC pyridine-2-aldoxime, which is a poor substrate. CC -!- No activity was found with the aromatic aldoximes benzaldoxime and CC pyridine-4-aldoxime. //