The subunit protein of microtubules, tubulin, has been demonstrated to be present in isolated nerve endings by gel electrophoresis, amino acid composition, and peptide mapping. The tubulin constitutes approximately 28% of the soluble protein of the nerve endings. The transport of tubulin to the nerve endings has been demonstrated and its relationship to slow transport is discussed.
MICROTUBULE PROTEIN : Identification in and Transport to Nerve Endings
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Howard Feit, Gary R. Dutton, Samuel H. Barondes, Michael L. Shelanski; MICROTUBULE PROTEIN : Identification in and Transport to Nerve Endings . J Cell Biol 1 October 1971; 51 (1): 138–147. doi: https://doi.org/10.1083/jcb.51.1.138
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