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Biosci Biotechnol Biochem. 2009 Dec;73(12):2809-11. Epub 2009 Dec 7.

Generation of a zinc finger protein ZPR1 mutant that constitutively interacted with translation elongation factor 1alpha.

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1
Department of Molecular and Applied Bioscience, Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima, Japan. yanaka@hiroshima-u.ac.jp

Abstract

Zinc finger protein ZPR1 (ZPR1) binds to eukaryotic translation elongation factor 1alpha (eEF1alpha) in response to growth stimuli, and is also involved in transcription and cell cycle regulation. In this study, we characterized the interaction of ZPR1 and eEF1alpha and generated a ZPR1 mutant that constitutively interacted with eEF1alpha. ZPR1-DeltaA (Delta193-246) bound to eEF1alpha independently of Zn(2+) in vivo. This study indicates that ZPR1-DeltaA (Delta193-246) is a useful tool to provide structural insights into ZPR1 and to investigate the biological significance of the interaction between ZPR1 and eEF1alpha.

PMID:
19966453
[Indexed for MEDLINE]
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