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Specificity for block by saxitoxin and divalent cations at a residue which determines sensitivity of sodium channel subtypes to guanidinium toxins
bTyrosine 401 of the skeletal muscle isoform (mu 1) of the rat muscle Na channel is an important determinant of high affinity block by tetrodotoxin (TTX) and saxitoxin (STX) in Na-channel isoforms. In mammalian heart Na channels, this residue is substituted by cysteine, which results in low affinity...
Formato: | Texto |
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Lenguaje: | English |
Publicado: |
The Rockefeller University Press
1995
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2229260/ https://www.ncbi.nlm.nih.gov/pubmed/8537816 |
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