Alone at Last! New Functions for Ca2+ Channel β Subunits?

Science's STKE  15 Mar 2005:
Vol. 2005, Issue 275, pp. pe11
DOI: 10.1126/stke.2752005pe11

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New functions for voltage-gated Ca2+ channel auxiliary β subunits have recently been identified. These functions appear to be regulated by the β subunit alone, independently of any effects on the Ca2+ influx; hence, the β subunit may not be truly "auxiliary" and may play more fundamental roles in Ca2+ homeostasis or gene regulation. These new findings raise important questions and open new, exciting research avenues.

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