酰胺酶特征家族 是本课源文档中的必保知识点，前面页面未覆盖，需要单独补齐。
原文线索：amidase signature family. Within this group of enzymes the Ser-Ser-Lys triad is involved in the catalytic reaction,
聚酰胺(PA)表面水解的特异性酶类，含Ser-Ser-Lys催化三联体
补齐高优先级知识点：酰胺酶特征家族。 原文线索：amidase signature family. Within this group of enzymes the Ser-Ser-Lys triad is involved in the