Cryo-EM structure of arabinosyltransferase EmbB from Mycobacterium smegmatis.

Abstract:

:Arabinosyltransferase B (EmbB) belongs to a family of membrane-bound glycosyltransferases that build the lipidated polysaccharides of the mycobacterial cell envelope, and are targets of anti-tuberculosis drug ethambutol. We present the 3.3 Å resolution single-particle cryo-electron microscopy structure of Mycobacterium smegmatis EmbB, providing insights on substrate binding and reaction mechanism. Mutations that confer ethambutol resistance map mostly around the putative active site, suggesting this to be the location of drug binding.

journal_name

Nat Commun

journal_title

Nature communications

authors

Tan YZ,Rodrigues J,Keener JE,Zheng RB,Brunton R,Kloss B,Giacometti SI,Rosário AL,Zhang L,Niederweis M,Clarke OB,Lowary TL,Marty MT,Archer M,Potter CS,Carragher B,Mancia F

doi

10.1038/s41467-020-17202-8

subject

Has Abstract

pub_date

2020-07-07 00:00:00

pages

3396

issue

1

issn

2041-1723

pii

10.1038/s41467-020-17202-8

journal_volume

11

pub_type

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