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ProTx-III

Catalog No. T80169

ProTx-III, a spider venom peptide derived from the Peruvian green velvet tarantula, functions as a selective and potent inhibitor of the voltage-gated sodium channel Na v 1.7, exhibiting an IC 50 of 2.1 nM. Characterized by its inhibitor cystine knot motif (ICK), ProTx-III can attenuate the pain response and is applicable in research on chronic pain, epilepsy, and arrhythmia [1].

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Product Introduction

Bioactivity

Description	ProTx-III, a spider venom peptide derived from the Peruvian green velvet tarantula, functions as a selective and potent inhibitor of the voltage-gated sodium channel Na v 1.7, exhibiting an IC 50 of 2.1 nM. Characterized by its inhibitor cystine knot motif (ICK), ProTx-III can attenuate the pain response and is applicable in research on chronic pain, epilepsy, and arrhythmia [1].
In vitro	Natural, recombinant, and synthetic C-terminal (acid and amide) forms of ProTx-III exhibit IC50 values for the inhibition of hNav1.7 at 2.1, 9.5, 11.5, and 2.5 nM, respectively [1]. ProTx-III suppresses hNav1.7 without significantly altering the voltage dependency of its activation or inactivation [1].
In vivo	ProTx-III (0.01-1 μM; intraplantar injection) reversibly mitigated spontaneous pain in a mouse model elicited by intraplantar OD1 injection, thus demonstrating its analgesic properties [1].
Alias	μ-TRTX-Tp1a

Chemical Properties

Molecular Weight	3802.4
Formula	C162H246N52O43S6
Cas No.

Storage & Solubility Information

Storage

keep away from moisture Powder: -20°C for 3 years | In solvent: -80°C for 1 year

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Please enter your animal experiment information in the following box and click Calculate to obtain the mother liquor preparation method and in vivo formula preparation method:

For example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . TargetMol | Animal experiments

A total of 10 animals were administered, and the formula you used is 5% TargetMol | reagent

DMSO+30% PEG300+5% Tween 80+60% ddH2O. So your working solution concentration is 2 mg/mL。

Mother liquor preparation method: 2 mg of drug dissolved in 50 μL DMSO TargetMol | reagent

(mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.

Preparation method for in vivo formula: Take 50 μL DMSO TargetMol | reagent

main solution, add 300 μLPEG300 TargetMol | reagent

mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O TargetMol | reagent

mix well and clarify

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Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc