Institute of Microbiology AS CR, Vídeňská 1083, 142 20, Prague 4 (Czech Republic).
Chembiochem. 2013 Nov 25;14(17):2259-62. doi: 10.1002/cbic.201300389. Epub 2013 Oct 25.
Chemical diversity: Two SAM-dependent N-methyltransferases-LmbJ from the biosynthesis of the antibiotic lincomycin and CcbJ from celesticetin biosynthesis-have been characterized and compared. Both tested enzymes form multimers and are able to utilize N-demethyllincomycin, the natural substrate of LmbJ, with comparable efficiency.
两个 SAM 依赖性 N-甲基转移酶——来自抗生素林可霉素生物合成的 LmbJ 和来自 celesticetin 生物合成的 CcbJ——已经被表征和比较。两种测试酶都形成多聚体,并且能够以相当的效率利用 LmbJ 的天然底物 N-去甲林可霉素。