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The Mycobacterium tuberculosis GroEL1 Chaperone Is a Substrate of Ser/Thr Protein Kinases ▿

By Marc J. Canova, Laurent Kremer and Virginie Molle


We demonstrate that Mycobacterium tuberculosis GroEL1 is phosphorylated by PknF at two positions, Thr25 and Thr54. Unexpectedly, Mycobacterium smegmatis GroEL1 is not a substrate of its cognate PknF. This study shows that the phosphorylation profiles of conserved proteins are species dependent and provide insights that may explain the numerous biological functions of these important proteins

Topics: Molecular Biology of Pathogens
Publisher: American Society for Microbiology (ASM)
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Provided by: PubMed Central
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