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Inhibition of N- and L-type Ca2+ channels by the spider venom toxin omega-Aga-IIIA.

omega-Aga-IIIA, an 8.5-kDa peptide toxin isolated from the venom of Agelenopsis aperta, was found to be a highly potent inhibitor of Ca channels in cardiac muscle and in peripheral and central neurons of rats and frogs. Cardiac L-type Ca channels were completely (Kd approximately 0.6 nM) blocked by...

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Autores principales: Mintz, I M, Venema, V J, Adams, M E, Bean, B P
Formato: Artigo
Lenguaje:Inglês
Publicado: 1991
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Acceso en línea:https://ncbi.nlm.nih.gov/pmc/articles/PMC52141/
https://ncbi.nlm.nih.gov/pubmed/1713686
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