Omega-hexatoxin-Hv1a

UniProtKB accession: P56207

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Polymer Entities matching query 3

Go to UniProtKB: P56207

UniProtKB description: Reversibly and voltage-independently blocks both mid-low- (M-LVA) and high-voltage-activated (HVA) calcium channels in cockroach DUM neurons (PubMed:17610847). Is lethal to many insect species but not toxic to mammals (PubMed:16779650, PubMed:9228949). May target the insect high-voltage-activated calcium channel Dmca1D. Also inhibits acarines calcium channels. An extremely high toxin concentration partially inhibits Cav1.2/CACNA1C, Cav2.1/CACNA1A and Cav2.2/CACNA1B calcium channel of rats. As for omega-AcTx-Hv2a, the phenotypic effect of injection of this toxin into lone star ticks (Amblyomma americanum) is curling of all eight legs into closed loops.

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