Reference: Kölling R, et al. (1993) A new yeast gene with a myosin-like heptad repeat structure. Mol Gen Genet 237(3):359-69

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Abstract


We isolated a gene encoding a 218 kDa myosin-like protein from Saccharomyces cerevisiae using a monoclonal antibody directed against human platelet myosin as a probe. The protein sequence encoded by the MLP1 gene (for myosin-like protein) contains extensive stretches of a heptad-repeat pattern suggesting that the protein can form coiled coils typical of myosins. Immunolocalization experiments using affinity-purified antibodies raised against a TrpE-MLP1 fusion protein showed a dot-like structure adjacent to the nucleus in yeast cells bearing the MLP1 gene on a multicopy plasmid. In mouse epithelial cells the yeast anti-MLP1 antibodies stained the nucleus. Mutants bearing disruptions of the MLP1 gene were viable, but more sensitive to ultraviolet light than wild-type strains, suggesting an involvement of MLP1 in DNA repair. The MLP1 gene was mapped to chromosome 11, 25 cM from met1.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Kölling R, Nguyen T, Chen EY, Botstein D
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