Alternative substrates reveal catalytic cycle and key binding events in the reaction catalysed by anthranilate phosphoribosyltransferase from <i>Mycobacterium tuberculosis</i>
作者:Tammie V. M. Cookson、Alina Castell、Esther M. M. Bulloch、Genevieve L. Evans、Francesca L. Short、Edward N. Baker、J. Shaun Lott、Emily J. Parker
DOI:10.1042/bj20140209
日期:2014.7.1
AnPRT (anthranilate phosphoribosyltransferase), required for the biosynthesis of tryptophan, is essential for the virulence of Mycobacterium tuberculosis (Mtb). AnPRT catalyses the Mg2+-dependent transfer of a phosphoribosyl group from PRPP (5'-phosphoribosyl-1'-pyrophosphate) to anthranilate to form PRA (5'-phosphoribosyl anthranilate). Mtb-AnPRT was shown to catalyse a sequential reaction and significant