Cat. No. 5792
Biological ActivityPotent Nav1.7 blocker (IC50 = 2.5 nM). Also inhibits Nav1.1, Nav1.2, Nav1.3 and Nav1.6 in the nanomolar range. Exhibits no effects on Cav channels or nAChR at 5 μM. Demonstrates analgesic activity in vivo; antagonizes effects of scorpion-venom toxin OD1 at Nav1.7.
(Modifications: Disulfide bridge: 2-17, 9-22, 16-29, Ile-33 = C-terminal amide)
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
All Tocris products are intended for laboratory research use only.
Certificate of Analysis / Safety Data Sheet
Cardoso et al (2015) Identification and characterization of ProTx-III [μ-TRTX-Tp1a], a new voltage-gated sodium channel inhibitor from venom of the tarantula thrixopelma pruriens. Mol.Pharmacol. 88 291. PMID: 25979003.
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Keywords: ProTx III, supplier, Potent, Nav1.7, blockers, inhibitors, inhibits, Nav1.1,, Nav1.2,, Nav1.3, Nav1.6, analgesics, voltage, gated, sodium, channels, Tocris Bioscience, Voltage-gated Sodium (NaV) Channel Blocker products
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