Macrolactams are made by feeding aromatic amino acids as replacement starter units to a mutant strain of the geldanamycin-producing microorganism
Streptomyces hygroscopicus
var.
geldanus
NRRL 3602, wherein the gene cluster encoding enzymes for the biosynthesis of the natural starter unit 3-amino-5-hydroxybenzoic acid has been deleted.
大环内酰胺是通过将芳香族
氨基酸作为替代起始单元供应给生产格尔达霉素的微
生物链霉菌属湿生链霉菌格尔达努斯NRRL 3602的突变菌株制备的,其中编码天然起始单元
3-氨基-5-羟基苯甲酸生物合成酶的
基因簇已被删除。