Ion Channels

Ion Channels

Engineered venom-derived peptide toxins designed for high-specificity ion channel research and reproducible experimental performance.

Our toxins are developed in-house using controlled synthesis, folding, and multistep purification workflows that eliminate non-specific components found in crude venom. Each peptide is validated by HPLC, mass spectrometry, and functional bioassays, for lot-to-lot consistency and reliable performance. Available in synthetic, recombinant, native, and optionally fluorophore-conjugated formats. These reagents enable precise functional electrophysiology, imaging, and live-cell studies across neuronal systems.

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  • The expected molecular weight (MW) listed in the product datasheet is based solely on the size of the target protein’s amino acid sequence. It’s important to remember that many factors can affect the banding pattern of your western blot including: (1) the existence of a splice variant, (2) the quality of the loaded sample, (3) the protein extraction method, and (4) the protein transfer conditions. To achieve accurate results, you may need to systematically adjust the protein extraction method or the protein transfer conditions.

    • If the band’s MW is below the expected MW it could be due to a splice variant with a slightly different MW.
      • Heat the samples at 70°C for 10 min.
      • Increase the transfer time.
    • If the band’s MW is above the expected MW, it could be due to post-translational modifications.
    • In either event, you should use a blocking peptide as a negative control.

  • Some toxins and peptides are soluble in DMSO; you can find this information in the product specification section. For these products, prepare a concentrated stock solution first.

    1. Centrifuge vial (10,000 x g, 5 minutes) before adding solvent.
    2. Dissolve the lyophilized reagent in DMSO. We recommend keeping a concentrated stock solution at 1-10 mM (100-1000X higher than the final working concentration).
    3. Once the peptide is completely dissolved in DMSO, slowly dilute the peptide in pure water (or buffer) to the desired final working concentration.

    Note: We recommend that you maintain a DMSO concentration as low as possible. For cell assays, a final concentration of 0.1–0.5% DMSO (v/v) is considered acceptable. For other experiments, 5% DMSO (v/v) is recommended; adjust this according to your experimental requirements.

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Category: α1/β1/δ/ε
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8 Results
  • Waglerin-1
    Bioassay Tested
    Waglerin-1
    A potent antagonist of nAChR and a modulator of GABA(A) receptors
    • Product Code: STW-001
    • Short Description: A potent antagonist of nAChR and a modulator of GABA(A) receptors
    • Applications: Electrophysiology
    • CAS No.: 145038-84-2
    • MW: 2520 Da
  • α-Conotoxin EI
    Bioassay Tested
    α-Conotoxin EI
    A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptor (nAChR)
    • Product Code: STC-900
    • Short Description: A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptor (nAChR)
    • Applications: Electrophysiology
    • CAS No.: 170663-33-9
    • MW: 2093.4 Da
  • α-Conotoxin SI
    Bioassay Tested
    α-Conotoxin SI
    A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptors (nAChRs)
    • Product Code: STC-825
    • Short Description: A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptors (nAChRs)
    • Applications: Electrophysiology
    • CAS No.: 115797-06-3
    • MW: 1353.6 Da
  • αC-Conotoxin PrXA
    Bioassay Tested
    αC-Conotoxin PrXA
    A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptor (nAChR)
    • Product Code: STC-620
    • Short Description: A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptor (nAChR)
    • Applications: Electrophysiology
    • MW: 3541 Da
  • αA-Conotoxin PIVA
    Bioassay Tested
    αA-Conotoxin PIVA
    A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptor (nAChR)
    • Product Code: STC-600
    • Short Description: A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptor (nAChR)
    • Applications: Electrophysiology
    • MW: 2649 Da
  • α-Conotoxin GI-ATTO Fluor-647N
    Bioassay Tested
    α-Conotoxin GI-ATTO Fluor-647N
    A fluorescent probe for imaging and sensitive detection of muscle-type nicotinic acetylcholine receptor (nAChR)
    • Product Code: STC-500-FRN
    • Short Description: A fluorescent probe for imaging and sensitive detection of muscle-type nicotinic acetylcholine receptor (nAChR)
    • Applications: Electrophysiology, Direct flow cytometry, Fluorescence staining, Live cell imaging, Immunofluorescence
    • MW: 2065 Da
  • α-Conotoxin GI-FITC
    Bioassay Tested
    α-Conotoxin GI-FITC
    A fluorescent probe for imaging and sensitive detection of muscle-type nicotinic acetylcholine receptor (nAChR)
    • Product Code: STC-500-F
    • Short Description: A fluorescent probe for imaging and sensitive detection of muscle-type nicotinic acetylcholine receptor (nAChR)
    • Applications: Electrophysiology, Direct flow cytometry, Fluorescence staining, Immunofluorescence
    • MW: 1827 Da
  • α-Conotoxin GI
    Bioassay Tested
    α-Conotoxin GI
    A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptor (nAChR)
    • Product Code: STC-500
    • Short Description: A potent and selective antagonist of the muscle-type nicotinic acetylcholine receptor (nAChR)
    • Applications: Electrophysiology
    • CAS No.: 76862-65-2
    • MW: 1437.6 Da
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