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Protein Sci. 2005 Jul;14(7):1918-21.

Mycobacterium tuberculosis serine/threonine kinases PknB, PknD, PknE, and PknF phosphorylate multiple FHA domains.

Author information

1
Department of Molecular and Cell Biology, University of California, Berkeley, 94720, USA.

Abstract

The physiologic roles and the substrates of the Mycobacterium tuberculosis (Mtb) serine/threonine kinases are largely unknown. Here, we report six novel interactions of PknB, PknD, PknE, and PknF with the Forkhead-Associated (FHA) domains of Rv0020c and the putative ABC transporter Rv1747. Purified PknB and PknF kinase domains phosphorylated multiple FHA-domain proteins in vitro. Although they remain to be verified in vivo, these reactions suggest a web of interactions between STPKs and FHA domains.

PMID:
15987910
PMCID:
PMC2253351
DOI:
10.1110/ps.051413405
[Indexed for MEDLINE]
Free PMC Article

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