Abstract:Calmodulin (CaM) is a prototypical and versatile Ca2þ sensor. CaM is present in all eukaryotic cells, mediating Ca2þ-dependent signaling. Upon binding Ca2þ, CaM changes its conformation to form complexes with a diverse array of target proteins. Despite a wealth of knowledge on CaM, little is known on how target proteins regulate CaM's ability to bind Ca2þ. Recently we identified a novel splice variant (KCNN2-b) of KCNN channels which shows different Ca2þ sensitivity compared to the original KCNN2-a. KCNN2-b ha… Show more
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