Gene structure of mammalian acetylcholinesterase. Alternative exons dictate tissue-specific expression.

Abstract excerpt

The genes encoding mouse and human acetylcholinesterases have been cloned from genomic and cosmid libraries. Restriction analysis and a comparison of sequence with the cDNAs have defined the exon-intron boundaries. In mammals, three invariant exons encode the signal peptide and the amino-terminal 535 amino acids common to all forms of the enzyme whereas alternative exon usage of the next exon accounts for the...

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