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Common Mechanism for Target Specificity of Protein- and DNA-Targeting ADP-Ribosyltransferases

Overview
Journal Toxins (Basel)
Publisher MDPI
Specialty Toxicology
Date 2021 Jan 12
PMID 33430384
Citations 7
Authors
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Abstract

Many bacterial pathogens utilize ADP-ribosyltransferases (ARTs) as virulence factors. The critical aspect of ARTs is their target specificity. Each individual ART modifies a specific residue of its substrates, which could be proteins, DNA, or antibiotics. However, the mechanism underlying this specificity is poorly understood. Here, we review the substrate recognition mechanism and target residue specificity based on the available complex structures of ARTs and their substrates. We show that there are common mechanisms of target residue specificity among protein- and DNA-targeting ARTs.

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