ProTx II

Pricing Availability Delivery Time Qty
Cat.No. 4023 - ProTx II | Tyr-Cys-Gln-Lys-Trp-Met-Trp-Thr-Cys-Asp-Ser-Glu-Arg-Lys-Cys-Cys-Glu-Gly-Met-Val-Cys-Arg-Leu-Trp-Cys-Lys-Lys-Lys-Leu-Trp | CAS No. 484598-36-9
Description: Selective NaV1.7 channel blocker
Datasheet
Citations
Literature

Biological Activity

Selective NaV1.7 channel blocker. Shifts activation gating positively and decreases current magnitude. Displays 100-fold selectivity over other sodium channel subtypes.

Technical Data

M. Wt 3826.59
Formula C168H250N46O41S8
Sequence YCQKWMWTCDSERKCCEGMVCRLWCKKKLW

(Modifications: Disulfide bridge: 2-16, 9-21, 15-25)

Storage Store at -20°C
CAS Number 484598-36-9
PubChem ID 118708662
InChI Key XOAUGYVLRSCGBG-ZJDFQAAZSA-N
Smiles [H]N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@H]1CSSC[C@@H]2NC(=O)[C@@H]3CSSC[C@H](NC(=O)[C@H](CC4=CNC5=C4C=CC=C5)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCNC(N)=N)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@@H](NC(=O)[C@H](CC4=CNC5=C4C=CC=C5)NC(=O)[C@H](CCSC)NC(=O)[C@H](CC4=CNC5=C4C=CC=C5)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(N)=O)NC1=O)[C@@H](C)O)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N3)NC(=O)[C@@H](NC(=O)[C@H](CCSC)NC(=O)CNC(=O)[C@H](CCC(O)=O)NC2=O)C(C)C)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CC1=CNC2=C1C=CC=C2)C(O)=O

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.

Solubility Data

SolubilitySoluble to 1 mg/ml in water

Preparing Stock Solutions

The following data is based on the product molecular weight 3826.59. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Select a batch to recalculate based on the batch molecular weight:
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 0.26 mL 1.31 mL 2.61 mL
5 mM 0.05 mL 0.26 mL 0.52 mL
10 mM 0.03 mL 0.13 mL 0.26 mL
50 mM 0.01 mL 0.03 mL 0.05 mL

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.
=
x
x
g/mol

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

=
÷

Dilution Calculator

Calculate the dilution required to prepare a stock solution.
x
=
x

Product Datasheets

Certificate of Analysis / Product Datasheet
Select another batch:
Safety Datasheet

References

References are publications that support the products' biological activity.

Smith et al (2007) Molecular interactions of the gating modifier toxin ProTx-II with NaV 1.5: implied existence of a novel toxin binding site coupled to activation. J.Biol.Chem. 282 12687 PMID: 17339321

Edgerton et al (2008) Evidence for multiple effects of ProTxII on activation gating in NaV 1.5. Toxicon. 52 489 PMID: 18657562

Schmalhofer et al (2008) ProTx-II, a selective inhibitor of NaV 1.7 sodium channels, blocks action potential propagation in nociceptors. Mol.Pharmacol. 74 1476 PMID: 18728100


If you know of a relevant reference for ProTx II, please let us know.

View Related Products by Target

View Related Products by Product Action

View all Voltage-gated Sodium (NaV) Channel Blockers

Keywords: ProTx II, supplier, toxins, voltage, gated, sodium, Na+, channels, NaV1.7, potent, selective, blockers, venoms, Voltage-gated, Sodium, Channels, Voltage-gated, Sodium, Channels, Tocris Bioscience

Citations for ProTx II

Citations are publications that use Tocris products.

Currently there are no citations for ProTx II. Do you know of a great paper that uses ProTx II from Tocris? If so please let us know.

Commented out for usability testing

Reviews

TODO: Add Reviews

Literature in this Area

Cancer

Cancer Research Product Guide

A collection of over 750 products for cancer research, the guide includes research tools for the study of:

  • Cancer Metabolism
  • Epigenetics in Cancer
  • Receptor Signaling
  • Cell Cycle and DNA Damage Repair
  • Angiogenesis
  • Invasion and Metastasis
Cardiovascular

Cardiovascular Research Product Guide

A collection of over 250 products for cardiovascular research, the guide includes research tools for the study of:

  • Hypertension
  • Thrombosis and Hemostasis
  • Atherosclerosis
  • Myocardial Infarction
  • Ischemia/Reperfusion Injury
  • Arrhythmias
  • Heart Failure
Pain

Pain Research Product Guide

A collection of over 250 products for pain research, the guide includes research tools for the study of:

  • Nociception
  • Ion Channels
  • G-Protein-Coupled Receptors
  • Intracellular Signaling

Pathways for ProTx II

Protocols

TODO: Add Protocols