Toxin Name μ-theraphotoxin-Hhn2a
Source Species Haplopelma  hainanum (Chinese Black Earth Tiger tarantula)
Toxin Group Theraphotoxin
Description Toxin inhibits neuronal TTX-sensitive voltage-gated sodium (Nav) channels. No effect on TTX-resistant Nav channels and voltage-gated calcium channels. It has been suggested that the toxin acts on site 1 of the channel.
Discovered 2003
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This toxin last updated on Sep 16, 2014

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