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Peptide toxin

" in MedChemExpress (MCE) Product Catalog:

158

Inhibitors & Agonists

172

Peptides

10

Natural
Products

Cat. No. Product Name Target Research Areas Chemical Structure
  • HY-P1280

    Potassium Channel Neurological Disease
    Margatoxin, an alpha-KTx scorpion toxin, is a high affinity inhibitor of Kv1.3 (Kd=11.7 pM). Margatoxin inhibits the Kv1.2 (Kd=6.4 pM) and Kv1.1 (Kd=4.2 nM). Margatoxin, a 39 amino-acid-long peptide, is isolated from the venom of the scorpion Centruroides margaritatus and widely used in ion channel research .
    Margatoxin
  • HY-P5917

    Vaejovis mexicanus Peptide 24

    Potassium Channel Others
    Vm24-toxin is a toxin peptide that can be isolated from the Mexican scorpion Vaejovis mexicanus smithy. Vm24-toxin is an inhibitor of Kv1.3 potassium channel .
    Vm24-toxin
  • HY-P5818

    Sodium Channel Neurological Disease
    BDS-II is a peptide toxin, and is composed of 43 amino acids. BDS-II is a selective Kv3.4 channel inhibitor .
    BDS-II
  • HY-P1426

    Potassium Channel Inflammation/Immunology
    AmmTX3 is a peptide toxin that can be isolated from the venom of the scorpion Androctonus mauretanicus. AmmTX3 is specific blocker of Kv4 channel. AmmTX3 inhibits the A-type K + current (Ki: 131 nM) .
    AmmTX3
  • HY-P5801

    μ-TrTx-Phlo1a

    Sodium Channel Neurological Disease
    Phlo1a (μ-TrTx-Phlo1a) is a peptide toxin contains 35-amino acid residues. Phlo1b is a selective Nav1.7 inhibitor. Phlo1a has a weak inhibitory effect on Nav1.2 and Nav1.5 .
    Phlo1a
  • HY-P5800

    μ-TrTx-Phlo1b

    Sodium Channel Neurological Disease
    Phlo1b (μ-TrTx-Phlo1b) is a peptide toxin contains 35-amino acid residues. Phlo1b is a selective Nav1.7 inhibitor. Phlo1b has a weak inhibitory effect on Nav1.2 and Nav1.5 .
    Phlo1b
  • HY-P5786

    Potassium Channel Sodium Channel Neurological Disease
    Heteropodatoxin-1 (HpTx1), a spider peptide toxin, is a Kv4.2 current inhibitor. Heteropodatoxin-1 also inhibits Nav1.7 and activates Nav1.9 but does not affect Nav1.8 .
    Heteropodatoxin-1
  • HY-P5811

    CcoTx1; β-TRTX-cm1a

    Sodium Channel Neurological Disease
    Ceratotoxin-1 (CcoTx1), a peptide toxin, is an voltage-gated sodium channel subtypes inhibitor. Ceratotoxin-1 inhibits Nav1.1/β1, Nav1.2/β1, Nav1.4/β1, and Nav1.5/β1 with IC50 of 523 nM, 3 nM, 888 nM, and 323 nM, respectively. Ceratotoxin-1 also inhibits Nav1.8/β1 .
    Ceratotoxin-1
  • HY-P5164

    Sodium Channel Neurological Disease
    GrTx1 is a peptide toxin originally isolated from the venom of the spider Grammostola rosea. GrTx1 blocks sodium channel, with IC50s of 0.63 µM, 0.23 µM, 0.77 µM, 1.29 µM, 0.63 µM and 0.37 µM for Nav1.1, Nav1.2, Nav1.3, Nav1.4, Nav1.6 and Nav1.7, repectively .GrTx1 can be used for neurological disease research .
    GrTx1
  • HY-P5175

    mAChR Neurological Disease
    Muscarinic toxin 7 is a peptide toxin with selective and noncompetitive antagonism at the muscarinic M1 receptor .
    Muscarinic toxin 7
  • HY-P1426A

    Potassium Channel Inflammation/Immunology
    AmmTX3 TFA is a peptide toxin that can be isolated from the venom of the scorpion Androctonus mauretanicus. AmmTX3 TFA is specific blocker of Kv4 channel. AmmTX3 TFA inhibits the A-type K + current (Ki: 131 nM) .
    AmmTX3 TFA
  • HY-P5942

    Sodium Channel Inflammation/Immunology
    Pterinotoxin-2 is a sodium channel inhibitor peptide toxin .
    Pterinotoxin-2
  • HY-P5943

    Sodium Channel Neurological Disease
    Pterinotoxin-1 is a sodium channel inhibitor peptide toxin .
    Pterinotoxin-1
  • HY-P5854

    Potassium Channel Neurological Disease
    Aa1 toxin, a neurotoxic peptide that can be obtained from the venom of Androctonus australis Garzoni, is a specific potassium channel blocker. Aa1 toxin can be used in the study of neurological diseases .
    Aa1 toxin
  • HY-P10234

    Sodium Channel Others
    Poneratoxin is a peptide toxin, which regulates the sodium currents in mammalian, and causes long-lasting pain .
    Poneratoxin
  • HY-P5916

    κ-Theraphotoxin-Gr4a; Kappa-TRTX-Gr4a; Voltage sensor toxin 3; Peptide F

    Others Potassium Channel Neurological Disease
    VSTx-3 is a KV channel blocker. VSTx-3 is demonstrated to be a potent, TTX-sensitive sodium channel blocker and especially, a potent blocker of NaV1.8 channels (IC50 0.19 μM for hNaV1.3, 0.43 μM for hNaV1.7 and 0.77 μM for hNaV1.8 channels).
    VSTx-3
  • HY-P5177

    Sodium Channel Potassium Channel Neurological Disease
    GsAF-II is a peptide toxin that blocks hERG1 subtype potassium channels in a voltage-dependent manner. GsAF-II blocks Nav1.x subtype sodium channels .
    GsAF-II
  • HY-P5140

    Calcium Channel Metabolic Disease
    ω-Tbo-IT1 is a peptide toxin that can be isolated from the venom of Tibellus oblongus.ω-Tbo-IT1 is an inhibitor of insect calcium channel .
    ω-Tbo-IT1
  • HY-125586

    DNA/RNA Synthesis ADC Cytotoxin Cancer
    β-Amanitin is a cyclic peptide toxin in the poisonous Amanita phalloides mushroom. β-Amanitin inhibits inhibits eukaryotic RNA polymerase II and III. β-Amanitin inhibits protein synthesis. β-Amanitin can be used as a cytotoxic component of antibody-drug conjugates (ADCs) .
    β-Amanitin
  • HY-P3037

    Calcium Channel Neurological Disease
    Imperatoxin A, a peptide toxin derived from the venom of the African scorpion Pandinus imperator, activator of Ca 2+-release channels/ryanodine receptors (RyRs) enhances the influx of Ca 2+ from the sarcoplasmatic reticulum into the cell .
    Imperatoxin A
  • HY-P5162

    Sodium Channel Inflammation/Immunology
    Dc1a potently promotes opening of the German cockroach Nav channel (BgNav1). Dc1a is a toxin can be isolated from the desert bush spider Diguetia canities .
    Dc1a
  • HY-P5798

    FAS-I

    Cholinesterase (ChE) Neurological Disease
    Fasciculin-I is isolated from the mambas venom. Fasciculin-I exerts its toxic effects by inhibiting acetylcholinesterase (AChE). Fasciculin-I blocks α-neurotoxins of nicotinic acetylcholine receptors and cardiac toxins that interact with cell membranes .
    Fasciculin-I
  • HY-P5179

    HWTX-I

    Calcium Channel Sodium Channel Neurological Disease
    Huwentoxin I (HWTX-I) is a peptide toxin that inhibits voltage-gated sodium channels and N-type calcium channels. Huwentoxin I inhibits sodium channels in rat hippocampus and cockroach dorsal unpaired median (DUM) neurons with IC50 values of 66.1 and 4.80 nM, respectively .
    Huwentoxin I
  • HY-P5153

    μ-TRTX-Tp1a

    Sodium Channel Neurological Disease
    ProTx-III is a selective and potent inhibitor of voltage-gated sodium channel Nav1.7, with an IC50 of 2.1 nM. ProTx-III is a spider venom peptide isolated from the venom of the Peruvian green velvet tarantella. ProTx-III has a typical inhibitor cystine knot motif (ICK). ProTx-III is able to reverse the pain response. ProTx-III can be used to study diseases such as chronic pain, epilepsy, and arrhythmia .
    ProTx-III
  • HY-P5165

    Potassium Channel Inflammation/Immunology
    Maurotoxin is a 34-residue and four disulde-bridged toxin that can be isolated from the chactoid scorpion (Scorpio maurus). Maurotoxin inhibits the Shaker potassium channels (ShB) K + current with an IC50 of 2 nM .
    Maurotoxin
  • HY-P1280A

    Potassium Channel Neurological Disease
    Margatoxin TFA, an alpha-KTx scorpion toxin, is a high affinity inhibitor of Kv1.3 (Kd=11.7 pM). Margatoxin TFA inhibits the Kv1.2 (Kd=6.4 pM) and Kv1.1 (Kd=4.2 nM). Margatoxin TFA, a 39 amino-acid-long peptide, is isolated from the venom of the scorpion Centruroides margaritatus and widely used in ion channel research .
    Margatoxin TFA
  • HY-P5156

    Potassium Channel Neurological Disease
    BDS-I known as blood depressing substance, is a marine toxin which can be extracted from Anemonia sulcata. BDS-I is a specific inhibitor of Potassium Channel, targeting to Kv3.4. BDS-I inhibits Aβ1-42-induced enhancement of KV3.4 activity, caspase-3 activation, and abnormal nuclear morphology of NGF-differentiated PC-12 cells. BDS-I reverts the Aβ peptide-induced cell death .
    BDS-I
  • HY-P5807A

    β-Mammal toxin Cn2 TFA

    Sodium Channel Neurological Disease
    Cn2 toxin TFA (β-Mammal toxin Cn2 TFA) is a single-chain β-scorpion neurotoxic peptide that is the main toxin in scorpion venom. Cn2 toxin (TFA) specifically targets mammalian voltage-gated sodium channels (VGSC) Nav1.6 .
    Cn2 toxin TFA
  • HY-P10572

    Ser/Thr Protease Potassium Channel Inflammation/Immunology Endocrinology
    HG1 Toxin is a peptide found in the venom of the scorpion Heterometrus fulvipes, which has the activity of inhibiting potassium channel Kv1.3. HG1 Toxin also has the activity of inhibiting trypsin (Ki=107 nM) and can be used in the study of autoimmune diseases .
    HG1 Toxin
  • HY-126106

    Potassium Channel Others
    (BrMT)2 (compound 2) is a non-peptide snail toxin that slows down the activation of Kv1.1 channels .
    (BrMT)2
  • HY-P4211

    Bacterial Infection
    PSM-β is a active peptide , which can be isolated from Staphylococcus epidermidis. PSM-β is an analog of staphylococcal toxins, as well as a termed phenol-soluble modulin. PSM-β has bacteriostatic and poorly hemolytic properties .
    PSM-β
  • HY-P3064

    Leiurotoxin I

    Potassium Channel Neurological Disease
    Scyllatoxin (Leiurotoxin I) is a peptide toxin, it can be isolated from the venom of the scorpion (Leiurus quinquestriatus hebraeus). Scyllatoxin is a blocker of small-conductance KCa (SK) channel. Scyllatoxin enhances both norepinephrine (NE) and epinephrine (Epi) release in vivo .
    Scyllatoxin
  • HY-E70128

    Others Others
    Leucyl aminopeptidase is a metallopeptidase that cleave N-terminal residues from proteins and peptides. Leucyl aminopeptidase serves as transcriptional repressors to control pyrimidine, alginate and cholera toxin biosynthesis, as well as mediate site-specific recombination events in plasmids and phages .
    Leucyl aminopeptidase
  • HY-P10529

    Trk Receptor Infection
    Ganglioside GM1-binding peptides p3 is a synthetic peptide that can specifically bind to the pentasaccharide part of GM1 ganglioside. The dynamic transformation of Ganglioside GM1-binding peptides p3 may play an important role in the function of GM1 as a multiple receptor, such as in the classical pathway of cholera toxin infection. Ganglioside GM1-binding peptides p3 can be used to study the interaction between GM1 and its ligands .
    Ganglioside GM1-binding peptides p3
  • HY-P3037A

    Calcium Channel Neurological Disease
    Imperatoxin A TFA is a peptide toxin derived from the venom of the African scorpion Pandinus imperator. Imperatoxin A TFA is a Ca 2+-release channels/ryanodine receptors (RyRs) activator. Imperatoxin A TFA enhances the influx of Ca 2+ from the sarcoplasmatic reticulum into the cell .
    Imperatoxin A TFA
  • HY-P1105

    Chloride Channel Neurological Disease
    GaTx2 is a seletive and a high affinity inhibitor of ClC-2 channels with a voltage-dependent apparent KD of ∼20 pM. GaTx2 is a peptide toxin inhibitor from Leiurus quinquestriatus hebraeus venom. GaTx2 is useful in determining the role and the membrane localization of ClC-2 in specific cell types .
    GaTx2
  • HY-P5182A

    Potassium Channel Inflammation/Immunology
    HsTX1 (TFA) toxin, from the scorpion Heterometrus spinnifer, is a 34-residue, C-terminally amidated peptide cross-linked by four disulfide bridges. HsTX1 (TFA) is an the inhibitor of potassium channel, with IC50 for Kv1.3 of 12 pM and inhibits TEM cell activation and attenuates inflammation in autoimmunity .
    HsTX1 TFA
  • HY-P10360

    α-synuclein Neurological Disease
    Tat-βsyn-degron is an α-synuclein knockdown peptide. Tat-βsyn-degron binds toα-synuclein and reduces α-synuclein levels in primary rat cortical neuron cultures. Tat-βsyn-degron also reduces α-synuclein levels and decreases the parkinsonian toxin-induced neuronal damage and motor impairment in a mouse toxicity model of PD .
    Tat-βsyn-degron
  • HY-P10408

    EGFR MMP Calcium Channel Infection Inflammation/Immunology
    Candidalysin is a cytolytic peptide toxin, which is initially isolated from Candida albicans and exhibits virulent and avirulent characters. Candidalysin activates epithelial cell signaling pathways by interacting with the epithelial growth factor receptor (EGFR) of host cells, activates matrix metalloproteinase (MMP) and calcium flux, resulting in inflammatory responses and recruitment of immune cells. Candidalysin exhibits cytotoxicity by dealing membran damage to host cells .
    Candidalysin
  • HY-P1427A

    Potassium Channel Neurological Disease
    Guangxitoxin 1E TFA is the TFA salt form of Guangxitoxin 1E (HY-P1427). Guangxitoxin 1E TFA is a peptide toxin and a selective inhibitor for voltage-gated potassium channel KV2.1 and KV2.2 with IC50 of 1-3 nM. Guangxitoxin 1E TFA enhances glucose-stimulated intracellular calcium ion oscillations and increases insulin secretion in a glucose-dependent manner .
    Guangxitoxin 1E TFA
  • HY-138298A
    Trastuzumab deruxtecan
    2 Publications Verification

    DS-8201; DS-8201a

    Antibody-Drug Conjugates (ADCs) EGFR Cancer
    Trastuzumab deruxtecan (DS-8201a) is an anti-human epidermal growth factor receptor 2 (HER2) antibody-drug conjugate (ADC). Trastuzumab deruxtecan is composed of a humanized anti-HER2 antibody, an enzymatically cleavable peptide-linker, a topoisomerase I inhibitor (a toxin component of Dxd). Trastuzumab deruxtecan can be used for the research of HER2-positive breast cancer and gastric cancer .
    Trastuzumab deruxtecan
  • HY-P2358

    Toll-like Receptor (TLR) Inflammation/Immunology
    PSMα3 is a peptide for manipulating DCs to become tolerogenic for DC vaccination strategies. PSMα3 penetrates and modulates human monocyte-derived DCs by altering the TLR2- or TLR4-induced maturation, inhibiting pro- and anti-inflammatory cytokine production and reducing antigen uptake. PSMα3 is an important toxin released by the most virulent strains of methicillin-resistant Staphylococcus aureus (MRSA) .
    PSMα3
  • HY-138298
    Trastuzumab deruxtecan (solution)
    2 Publications Verification

    DS-8201 (solution); DS-8201a (solution)

    Antibody-Drug Conjugates (ADCs) EGFR Cancer
    Trastuzumab deruxtecan (T-DXd; DS-8201a) (solution) is an anti-human epidermal growth factor receptor 2 (HER2) antibody-drug conjugate (ADC). Trastuzumab deruxtecan is composed of a humanized anti-HER2 antibody, an enzymatically cleavable peptide-linker, a topoisomerase I inhibitor (a toxin component of Dxd). Trastuzumab deruxtecan can be used for the research of HER2-positive breast cancer and gastric cancer .
    Trastuzumab deruxtecan (solution)
  • HY-P3444

    PECAM-1

    SHP2 Bacterial Metabolic Disease Inflammation/Immunology
    CD31 (PECAM-1) is platelet endothelial cell adhesion molecule-1, serves as the endothelial cell-specific receptor of clostridium perfringens b-Toxin (CPB). CD31 is also an ER-MP12 antigen, acts as a linker between mechanical stress, metabolism and inflammation. CD31 peptide is able to sustain phosphorylation of the CD31 ITIM686 and of SHP2 and to inhibit TCR-induced T-cell activation - .
    CD31
  • HY-P3444A

    PECAM-1 TFA

    SHP2 Bacterial Metabolic Disease Inflammation/Immunology
    CD31 (PECAM-1) TFA is platelet endothelial cell adhesion molecule-1, serves as the endothelial cell-specific receptor of clostridium perfringens b-Toxin (CPB). CD31 TFA is also an ER-MP12 antigen, acts as a linker between mechanical stress, metabolism and inflammation. CD31 TFA peptide is able to sustain phosphorylation of the CD31 ITIM686 and of SHP2 and to inhibit TCR-induced T-cell activation - .
    CD31 TFA
  • HY-400684

    Others Cancer
    Tubulysin A intermediate-1 is an intermediate in the synthesis of the cytotoxic peptide Tubulysin A (HY-15995). Tubulysin A (TubA) is an antibiotic, anti-microtubule toxins, and apoptosis inducer isolated from myxobacteria. Tubulysin A has anti-angiogenic, anti-microtubule, anti-mitotic, and anti-proliferative activities. Tubulysin A arrests cells in the G2/M phase, effectively inhibits tubulin polymerization, and induces depolymerization of detached microtubules. Tubulysin A acts as an ADC cytotoxin (ADC Cytotoxin) to synthesize ADC .
    Tubulysin A intermediate-1
  • HY-P1117

    Formyl Peptide Receptor (FPR) Calcium Channel Neurological Disease Inflammation/Immunology
    MMK1 is a potent and selective human formyl peptide receptor like-1 (FPRL-1/FPR2) agonist with EC50s of <2 nM and >10000 nM for FPRL-1 and FPR1, respectively. MMK1 is a potent chemotactic and calcium-mobilizing agonist. MMK1 potently activates phagocytic leukocytes and enhances Pertussis Toxin-sensitive production by human monocytes of proinflammatory cytokines IL-1b and IL-6. MMK1 exerts anxiolytic-like activity .
    MMK1
  • HY-P1117A

    Formyl Peptide Receptor (FPR) Calcium Channel Neurological Disease Inflammation/Immunology
    MMK1 TFA is a potent and selective human formyl peptide receptor like-1 (FPRL-1/FPR2) agonist with EC50s of <2 nM and >10000 nM for FPRL-1 and FPR1, respectively. MMK1 TFA is a potent chemotactic and calcium-mobilizing agonist. MMK1 TFA potently activates phagocytic leukocytes and enhances Pertussis Toxin-sensitive production by human monocytes of proinflammatory cytokines IL-1b and IL-6. MMK1 TFA exerts anxiolytic-like activity .
    MMK1 TFA
  • HY-P0256
    Apamin
    4 Publications Verification

    Apamine

    Potassium Channel Neurological Disease Inflammation/Immunology
    Apamin (Apamine) is an 18 amino acid peptide neurotoxin found in apitoxin (bee venom), is known as a specifically selective blocker of Ca 2+-activated K + (SK) channels and exhibits anti-inflammatory and anti-fibrotic activity .
    Apamin
  • HY-P0173A

    Chloride Channel Cancer
    Chlorotoxin is a 36 amino-acid peptide from the venom of the Israeli scorpion Leiurus quinquestriatus with anticancer activity. Chlorotoxin is a chloride channel blocker.
    Chlorotoxin

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