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New aspects of calmodulin-calmodulin binding domains recognition

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Audran, Emilie | Dagher, Rania | Gioria, Sophie | Kilhoffer-Haiech, Marie-Claude | Haiech, Jacques

Edité par CCSD ; Humana Press/Springer Imprint -

Understanding the role of calmodulin (CaM) in calcium signal transduction implies to describe the -calcium-dependent molecular mechanism of interaction of CaM with the various CaM-binding domains (CBD). In order to fulfill this aim, we have developed a new strategy and the afferent techniques to quantify the interaction of CaM with any CBD as a function of calcium concentration. Excel software has been used to deconvolute the experimental data and to obtain the macroscopic constants characterizing the system. We are illustrating our approach on six different CaM/CBD. This strategy may be used to analyze the interaction between any calcium-binding protein and its targets.

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