Epoxyquinone Formation Catalyzed by a Two-Component Flavin-Dependent Monooxygenase Involved in Biosynthesis of the Antibiotic Actinorhodin
作者:Takaaki Taguchi、Susumu Okamoto、Kimiko Hasegawa、Koji Ichinose
DOI:10.1002/cbic.201100571
日期:2011.12.16
Additional epoxidation: A two‐component flavin‐dependent monooxygenase, the ActVA‐ORF5/ActVB system, functioning as a quinone‐forming C‐6 oxygenase for actinorhodin biosynthesis in Streptomyces coelicolor, was revealed to have an additional epoxidation activity in vitro. This additional function is possibly a result of the adaptable structural features of the two‐component system.
额外的环氧化作用:揭示了一种两组分黄素依赖性单加氧酶ActVA-ORF5 / ActVB系统,可在腔肠链霉菌中作为肌动蛋白的生物合成中的醌形成C-6加氧酶,在体外具有额外的环氧化活性。该附加功能可能是两组分系统具有适应性的结构特征的结果。