Mutasynthesis of Glycopeptide Antibiotics: Variations of Vancomycin's AB-Ring Amino Acid 3,5-Dihydroxyphenylglycine
作者:Stefan Weist、Claudia Kittel、Daniel Bischoff、Bojan Bister、Volker Pfeifer、Graeme J. Nicholson、Wolfgang Wohlleben、Roderich D. Süssmuth
DOI:10.1021/ja0499389
日期:2004.5.1
In the mutasynthetic approach, the DeltadpgA mutant of the vancomycin-type glycopeptide antibiotic producer Amycolatopsis balhimycina, which is deficient in the synthesis of 3,5-dihydroxyphenylglycine (DPg), was supplemented with synthetic DPg analogues to obtain the corresponding modified glycopeptides. Sterically more demanding 3,5-disubstituted methoxy derivatives as well as monosubstituted DPg
在突变合成方法中,万古霉素型糖肽抗生素生产者 Amycolatopsis balhimycina 的 DeltadpgA 突变体在 3,5-二羟基苯基甘氨酸 (DPg) 的合成中存在缺陷,补充了合成的 DPg 类似物以获得相应的修饰糖肽。空间上要求更高的 3,5-二取代甲氧基衍生物以及单取代 DPg 类似物被接受为底物。这些事实表明,空间和电子要求在几种情况下足以使 AB 环氧化闭合,从而导致产生新的抗生素活性糖肽衍生物。结果代表了评估肽次生代谢物突变合成潜力的进一步步骤。