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Scorpion toxins Harumasa Okamoto 1 1The Department of Biochemistry, Institute of Brain Research, Faculty of Medicine, University of Tokyo pp.887-897
Published Date 1980/10/10
DOI https://doi.org/10.11477/mf.1431905209
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Abstract

 1) Action of a purified scorpion toxin on the Na current in situ were studied in an excitable membrane of the tunicate egg. The purified toxin affected the Na current with an apparent dissociation constant around 10 nM under a cation-free condition, and its action was specific for Na channels, indicating that the toxin serves as a useful marker for the Na channels.

 2) Properties of binding of the scorpion toxin to membrane fragments isolated from electroplaque of the electric eel were analyzed using radioiodinated toxin.


Copyright © 1980, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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