Alpha-like toxin BeM9

UniProtKB accession:  P09981

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UniProtKB description:  Alpha toxins bind voltage-independently at site-3 of sodium channels (Nav) and inhibit the inactivation of the activated channels, thereby blocking neuronal transmission. This toxin is active on both mammals and insects, since it inhibits inactivation of rNav1.4/SCN4A, hNav1.5/SCN5A, mNav1.6/SCN8A and insect BgNav1 and DmNav1 channels (PubMed:23637230). In vivo, it shows paralytic activity in mice (PubMed:4091860).