Jayatilake G S, Huddleston J A, Abraham E P
Biochem J. 1981 Feb 15;194(2):645-7. doi: 10.1042/bj1940645.
In a cell-free system prepared by osmotic lysis of protoplasts of Cephalosporium acremonium, isopenicillin N is converted into penicillin N. The epimerase activity of the system is labile.
在通过顶头孢霉原生质体渗透裂解制备的无细胞体系中,异青霉素N可转化为青霉素N。该体系的差向异构酶活性不稳定。