Abstract
The Caenorhabditis elegans gene unc-22 encodes a very large muscle protein, called twitchin, which consists of a protein kinase domain and several copies of two short motifs. The sequence of twit-chin has unexpected similarities to the sequences of proteins of the immunoglobulin superfamily, cell adhesion molecules and vertebrate muscle proteins, including myosin light-chain kinase. These homologies, together with results from earlier genetic and molecular analyses, indicate that twit-chin is involved in a novel mechanism of myosin regulation.
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Benian, G., Kiff, J., Neckelmann, N. et al. Sequence of an unusually large protein implicated in regulation of myosin activity in C. elegans. Nature 342, 45–50 (1989). https://doi.org/10.1038/342045a0
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DOI: https://doi.org/10.1038/342045a0
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