A process for the one-step conversion of cephalosporin C and derivatives thereof to the corresponding 7-aminocephalosporanic acid and derivatives comprising treating said cephalosporin C and derivatives with a cephalosporin C amidase enzyme of a recited sequence, the DNA encoding said enzyme, and expression thereof in a suitable host, e.g., Bacillus species under the control of a suitable promoter.
一种将
头孢菌素C及其衍
生物一步转化为相应的
7-氨基头孢烷酸及其衍
生物的工艺,包括用所述序列的
头孢菌素C酰胺酶、编码所述酶的DNA处理所述
头孢菌素C及其衍
生物,并在合适的宿主(如芽孢杆菌)中在合适的启动子控制下表达。