The disclosure provides biocatalysts that halogenate complex chemical compounds in specific and predictable ways. Also disclosed are halogenated complex organic compounds. The disclosure further provides methods for the halogenation of complex chemical compounds and methods of inhibiting the contraction of smooth muscle in mammals.
Function and Structure of MalA/MalA′, Iterative Halogenases for Late-Stage C–H Functionalization of Indole Alkaloids
作者:Amy E. Fraley、Marc Garcia-Borràs、Ashootosh Tripathi、Dheeraj Khare、Eduardo V. Mercado-Marin、Hong Tran、Qingyun Dan、Gabrielle P. Webb、Katharine R. Watts、Phillip Crews、Richmond Sarpong、Robert M. Williams、Janet L. Smith、K. N. Houk、David H. Sherman
DOI:10.1021/jacs.7b06773
日期:2017.8.30
biological activity. In this study, we characterized the two flavin-dependenthalogenases involved in the late-stage halogenation of malbrancheamide in two different fungal strains. MalA and MalA′ catalyze the iterative dichlorination and monobromination of the free substrate premalbrancheamide as the final steps in the malbrancheamide biosynthetic pathway. Two unnatural bromo-chloro-malbrancheamide analogues