Differential splicing-in of a proline-rich exon converts alphaNAC into a muscle-specific transcription factor

NAC (nascent polypeptide-associated complex) was recently purified as an alpha/beta heterodimeric complex binding the newly synthesized polypeptide chains as they emerge from the ribosome. We have identified, cloned, and characterized a muscle-specific isoform of alphaNAC. The 7.0-kb mRNA arises fro...

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