Four structural subclasses of the antivirulence drug target disulfide oxidoreductase DsbA provide a platform for design of subclass-specific inhibitors

RM McMahon, L Premkumar, JL Martin - Biochimica et Biophysica Acta …, 2014 - Elsevier
By catalyzing oxidative protein folding, the bacterial disulfide bond protein A (DsbA) plays an
essential role in the assembly of many virulence factors. Predictably, DsbA disruption affects …

Peptide Inhibitors of the Escherichia coli DsbA Oxidative Machinery Essential for Bacterial Virulence

W Duprez, L Premkumar, MA Halili… - Journal of medicinal …, 2015 - ACS Publications
One approach to address antibiotic resistance is to develop drugs that interfere with
bacterial virulence. A master regulator of virulence in Gram-negative bacteria is the oxidative …

[HTML][HTML] Structural bioinformatic analysis of DsbA proteins and their pathogenicity associated substrates

C Santos-Martin, G Wang, P Subedi, L Hor… - Computational and …, 2021 - Elsevier
The disulfide bond (DSB) forming system and in particular DsbA, is a key bacterial oxidative
folding catalyst. Due to its role in promoting the correct assembly of a wide range of …

Disarming Burkholderia pseudomallei: Structural and Functional Characterization of a Disulfide Oxidoreductase (DsbA) Required for Virulence In Vivo

PM Ireland, RM McMahon, LE Marshall… - Antioxidants & redox …, 2014 - liebertpub.com
Abstract Aims: The intracellular pathogen Burkholderia pseudomallei causes the disease
melioidosis, a major source of morbidity and mortality in southeast Asia and northern …

Redox pathway sensing bile salts activates virulence gene expression in Vibrio cholerae

Y Xue, F Tu, M Shi, C Wu, G Ren, X Wang… - Molecular …, 2016 - Wiley Online Library
Vibrio cholerae, the causative agent of the severe diarrheal disease cholera, has evolved
signal transduction systems to control co‐ordinately the expression of virulence …

Bioinformatics tools and resources for analyzing protein structures

JJ Paxman, B Heras - Proteome Bioinformatics, 2017 - Springer
The dramatic increase in the number of protein sequences and structures deposited in
biological databases has led to the development of many bioinformatics tools and programs …

Small molecule inhibitors of disulfide bond formation by the bacterial DsbA–DsbB dual enzyme system

MA Halili, P Bachu, F Lindahl, C Bechara… - ACS chemical …, 2015 - ACS Publications
The DsbA: DsbB redox machinery catalyzes disulfide bond formation in secreted proteins
and is required for bacterial virulence factor assembly. Both enzymes have been identified …

Structural and biochemical characterization of the essential DsbA-like disulfide bond forming protein from Mycobacterium tuberculosis

N Chim, CA Harmston, DJ Guzman… - BMC Structural Biology, 2013 - Springer
Background Bacterial D is ulfide b ond forming (Dsb) proteins facilitate proper folding and
disulfide bond formation of periplasmic and secreted proteins. Previously, we have shown …

Comparative Sequence, Structure and Redox Analyses of Klebsiella pneumoniae DsbA Show That Anti-Virulence Target DsbA Enzymes Fall into Distinct Classes

F Kurth, K Rimmer, L Premkumar, B Mohanty… - PloS one, 2013 - journals.plos.org
Bacterial DsbA enzymes catalyze oxidative folding of virulence factors, and have been
identified as targets for antivirulence drugs. However, DsbA enzymes characterized to date …

[HTML][HTML] Unveiling the versatility of the thioredoxin framework: Insights from the structural examination of Francisella tularensis DsbA1

S Penning, Y Hong, T Cunliffe, L Hor, M Totsika… - Computational and …, 2024 - Elsevier
In bacteria the formation of disulphide bonds is facilitated by a family of enzymes known as
the disulphide bond forming (Dsb) proteins, which, despite low sequence homology, belong …