General Information of This Target
Target ID
BTDT10194
Target Name
Potassium voltage-gated channel subfamily A member 7
Target Bioclass
Transporter and channel
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N.A.
Toxin Information Related to This Target
                           Toxin Name Activity Data Type Activity Data Reference
 Toxin Info    Toxin MeKTx13-3 (D33H) Inhibition rate . [1]
 Toxin Info    Kappa-stichotoxin-She3a IC50
11.5 nM
[2- 17]
References
Ref 1 The Scorpion Toxin Analogue BmKTX-D33H as a Potential Kv1.3 Channel-Selective Immunomodulator for Autoimmune Diseases. Toxins (Basel). 2016 Apr 19;8(4):115. doi: 10.3390/toxins8040115.
Ref 2 Characterization of a potassium channel toxin from the Caribbean Sea anemone Stichodactyla helianthus. Toxicon. 1995 May;33(5):603-13. doi: 10.1016/0041-0101(95)00013-c.
Ref 3 Chemical synthesis and characterization of ShK toxin: a potent potassium channel inhibitor from a sea anemone. Int J Pept Protein Res. 1995 Nov;46(5):354-8. doi: 10.1111/j.1399-3011.1995.tb01068.x.
Ref 4 Identification of three separate binding sites on SHK toxin, a potent inhibitor of voltage-dependent potassium channels in human T-lymphocytes and rat brain. Biochem Biophys Res Commun. 1996 Feb 27;219(3):696-701. doi: 10.1006/bbrc.1996.0297.
Ref 5 Structural conservation of the pores of calcium-activated and voltage-gated potassium channels determined by a sea anemone toxin. J Biol Chem. 1999 Jul 30;274(31):21885-92. doi: 10.1074/jbc.274.31.21885.
Ref 6 Targeting effector memory T cells with a selective peptide inhibitor of Kv1.3 channels for therapy of autoimmune diseases. Mol Pharmacol. 2005 Apr;67(4):1369-81. doi: 10.1124/mol.104.008193. Epub 2005 Jan 21.
Ref 7 Development of a rational nomenclature for naming peptide and protein toxins from sea anemones. Toxicon. 2012 Sep 15;60(4):539-50. doi: 10.1016/j.toxicon.2012.05.020. Epub 2012 Jun 5.
Ref 8 Defensin-neurotoxin dyad in a basally branching metazoan sea anemone. FEBS J. 2017 Oct;284(19):3320-3338. doi: 10.1111/febs.14194. Epub 2017 Sep 6.
Ref 9 Development of a sea anemone toxin as an immunomodulator for therapy of autoimmune diseases. Toxicon. 2012 Mar 15;59(4):529-46. doi: 10.1016/j.toxicon.2011.07.016. Epub 2011 Aug 12.
Ref 10 Sea Anemones: Quiet Achievers in the Field of Peptide Toxins. Toxins (Basel). 2018 Jan 8;10(1):36. doi: 10.3390/toxins10010036.
Ref 11 Solution structure of ShK toxin, a novel potassium channel inhibitor from a sea anemone. Nat Struct Biol. 1996 Apr;3(4):317-20. doi: 10.1038/nsb0496-317.
Ref 12 ShK-Dap22, a potent Kv1.3-specific immunosuppressive polypeptide. J Biol Chem. 1998 Dec 4;273(49):32697-707. doi: 10.1074/jbc.273.49.32697.
Ref 13 Role of disulfide bonds in the structure and potassium channel blocking activity of ShK toxin. Biochemistry. 1999 Nov 2;38(44):14549-58. doi: 10.1021/bi991282m.
Ref 14 Engineering a stable and selective peptide blocker of the Kv1.3 channel in T lymphocytes. Mol Pharmacol. 2009 Apr;75(4):762-73. doi: 10.1124/mol.108.052704. Epub 2009 Jan 2.
Ref 15 Native chemical ligation at Asx-Cys, Glx-Cys: chemical synthesis and high-resolution X-ray structure of ShK toxin by racemic protein crystallography. J Am Chem Soc. 2013 Aug 14;135(32):11911-9. doi: 10.1021/ja4046795. Epub 2013 Aug 6.
Ref 16 Pharmaceutical Optimization of Peptide Toxins for Ion Channel Targets: Potent, Selective, and Long-Lived Antagonists of Kv1.3. J Med Chem. 2015 Sep 10;58(17):6784-802. doi: 10.1021/acs.jmedchem.5b00495. Epub 2015 Aug 31.
Ref 17 Inversion of the Side-Chain Stereochemistry of Indvidual Thr or Ile Residues in a Protein Molecule: Impact on the Folding, Stability, and Structure of the ShK Toxin. Angew Chem Int Ed Engl. 2017 Mar 13;56(12):3324-3328. doi: 10.1002/anie.201612398. Epub 2017 Feb 14.
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