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  • Title: Isolation and characterization of cDNA clones for human skeletal muscle alpha actin.
    Author: Hanauer A, Levin M, Heilig R, Daegelen D, Kahn A, Mandel JL.
    Journal: Nucleic Acids Res; 1983 Jun 11; 11(11):3503-16. PubMed ID: 6190133.
    Abstract:
    Two cDNA libraries corresponding to polyA+ RNA from human adult skeletal muscle have been constructed by cloning in the PstI site of pBR322. Skeletal alpha actin cDNA clones have been isolated and characterized. Three of these plasmids have overlapping inserts which together contain the complete 5' non-coding and protein-coding region and part of the 3' untranslated region. Determination of the sequence of the cloned cDNA confirms the complete conservation in human of the amino-acid sequence of skeletal alpha actin compared to the rabbit or rat proteins. The 5' untranslated region, but not the 3' untranslated region, shows good homology with the corresponding one in the rat gene. Analysis of changes at silent sites within the protein-coding region suggests that the divergence of skeletal and cardiac alpha actin took place much earlier than the mammalian radiation. The plasmids described here have been used as probes to detect the homologous gene among the about thirty actin sequences present in the human genome.
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