Chemical and Chemoenzymatic Syntheses of Bacillithiol: A Unique Low‐Molecular‐Weight Thiol amongst Low G + C Gram‐Positive Bacteria

Abstract

The full monty: The recently discovered thiol cofactor bacillithiol (BSH), its biosynthetic precursors, and its symmetrical disulfide are prepared in two ways. The fosfomycin resistance protein (FosB) is shown to be a BSH-utilizing enzyme. It displays bacillithiol-S-transferase activity with a strong preference for BSH over L-cysteine as its thiol substrate. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.