Abstract
The sodium (Na+) channel that transiently depolarizes nerve and muscle membranes in the initial phase of the action potential (Hodgkin and Huxley, 1952; Cahalan, 1980) is perhaps the archetypical voltage-gated channel. Advances in the biochemical isolation, characterization, and functional reconstitution of Na+− channel proteins from the electroplax of electric fish (Miller et al., 1983; Norman et al., 1983; Rosenberg et al., 1984a, b), mammalian skeletal muscle (Barchi, 1983; Weigele and Barchi, 1982; Tanaka et al., 1983), and mammalian brain (Hartshorne and Catterall, 1984; Talvenheimo et al., 1982; Tamkun et al., 1984) have recently been made (for review, see Agnew, 1984). In addition, the cDNA for the principal peptide component of the electroplax channel has been cloned and sequenced, providing the first extensive information about the primary structure and allowing deductions of the possible secondary and tertiary structure of the protein (Noda et al., 1984). These biochemical, biophysical, and molecular biological approaches, including specific protein chemical modifications, site-specific mutagenesis, electron microscopic structural analysis, and functional reconstitution will provide important insights into the structures and mechanisms of the channel. This chapter concentrates on reconstitution studies with the purified electroplax Na+ channel.
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Agnew, W.S., Rosenberg, R.L., Tomiko, S.A. (1986). Reconstitution of the Sodium Channel from Electrophorus Electricus . In: Miller, C. (eds) Ion Channel Reconstitution. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-1361-9_12
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DOI: https://doi.org/10.1007/978-1-4757-1361-9_12
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