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Article Dans Une Revue Protein Expression and Purification Année : 2023

Simple purification and characterization of soluble and homogenous ABC-F translation factors from Enterococcus faecium

Résumé

The family of ATP-binding cassette F proteins (ABC-F) is mainly made up of cytosolic proteins involved in regulating protein synthesis, and they are often part of a mechanism that confers resistance to ribosome-targeting antibiotics. The existing literature has emphasized the difficulty of purifying these recombinant proteins because of their very low solubility and stability. Here, we describe a rapid and efficient three-step purification procedure that allows for the production of untagged ABC-F proteins from Enterococcus faecium in the heterologous host Escherichia coli. After four purified ABC-F proteins were produced using this protocol, their biological activities were validated by in vitro experiment. In conclusion, our study provides an invaluable tool for obtaining large amounts of untagged and soluble ABC-F proteins that can then be used for in vitro experiments.
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Dates et versions

hal-04163729 , version 1 (11-09-2023)

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Paternité - Pas d'utilisation commerciale

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Fanny Demay, Marc Hallier, Sylvie Georgeault, Emmanuelle Com, Vincent Cattoir, et al.. Simple purification and characterization of soluble and homogenous ABC-F translation factors from Enterococcus faecium. Protein Expression and Purification, 2023, 210, pp.106325. ⟨10.1016/j.pep.2023.106325⟩. ⟨hal-04163729⟩
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