Beta spectrin in human skeletal muscle. Tissue-specific differential processing of 3' beta spectrin pre-mRNA generates a beta spectrin isoform with a unique carboxyl terminus

Spectrin, an important component of the mammalian erythrocyte membrane skeleton, is a heterodimeric protein with alpha and beta subunits of 280 and 246 kDa, respectively. Spectrin-like proteins have also been demonstrated in a wide variety of nonerythroid cells. To examine the hypothesis that nonery...

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