Carboxyl-terminal sequences critical for inositol 1,4,5-trisphosphate receptor subunit assembly.


The inositol 1,4,5-trisphosphate receptor (InsP(3)R) is a tetrameric assembly of conserved subunits that each contains six transmembrane regions (TMRs) localized near the carboxyl terminus. Receptor subunit assembly into a tetramer appears to be a multideterminant process involving an additive contribution of membrane spanning helices and the short… (More)


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