... to 0.043 and 0.021 lmolặmin)1ặmg myosin)1, respectively, at 15C(Fig. 6A,B). In the present study, we compared the functional roles of the N- and C-terminal regions of molluskan and vertebrate ... volumes of 5M urea solution and then run on SDS ⁄ PAGE. Lanes a and d, in the absence of both TnC and Ca2+; lanes b and e, in the presence of TnC and the absence of Ca2+; lanes c and f, in the ... replaces the general and conventionalview that the N-terminal region of TnI only plays arole in maintaining the structural integrity of the tro-ponin complex. In molluskan muscles, the C-terminal region...