heat-stable stereospecific amidase from Klebsiella oxytoca was investigated. In addition to the original substrate, 3,3,3-trifluoro-2-hydroxy-2-methylpropanamide, the amidase accepted 2-hydroxy-2-(trifluoromethyl)-butanamide and 3,3,3-trifluoro-2-amino-2-methylpropanamide as substrates. Compounds with larger side chains and compounds where the hydroxyl group was substituted with a methoxy group, or in which
研究了产氧克雷伯菌的热稳定的立体特异性酰胺酶的底物特异性。除了原始底物3,3,3-三
氟-2-羟基-2-甲基丙酰胺外,酰胺酶还接受2-羟基-2-(三
氟甲基)-丁酰胺和3,3,3-三
氟-2-
氨基-丁酰胺。以2-甲基丙酰胺为底物。不接受具有较大侧链的化合物和羟基被甲氧基取代或CF 3被CCl 3取代的化合物。
生物转化是合成(R)-(+)-3,3,3-三
氟-2-
氨基-2-甲基-2-
丙酸及其相关的(S)-(-)-酰胺和合成(R)-(+)-2-羟基-2-(三
氟甲基)-
丁酸及其相关的(S)-(-)-酰胺。