Target Information

General Information of This Target
Target ID
BTDT10185
Target Name
Potassium voltage-gated channel subfamily A member 3
Target Bioclass
Transporter and channel
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N.A.
Species: Mammalian
Toxin Information Related to This Target
                           Toxin Name Activity Data Type Activity Data Reference
 Toxin Info    Potassium channel toxin alpha-KTx 3.2 Inhibition constant
<1 nM
 [1- 5]
 Toxin Info    Potassium channel toxin alpha-KTx 3.4 Inhibition constant
1.7 nM
 [1- 6]
 Toxin Info    NU-buthitoxin-Ptr1a Effect . [7]
 Toxin Info    NU-theraphotoxin-Preg1a Effect . [7]
 Toxin Info    Potassium channel toxin alpha-KTx J123 IC50
0.79 nM
 [8]
 Toxin Info    Putative potassium channel toxin Ts21 IC50
26.4 nM
 [9], [10]
 Toxin Info    Toxin KTx8 IC50
26.4 nM
 [11]
 Toxin Info    Potassium channel toxin alpha-KTx 12.5 IC50
28 nM
 [12], [13]
References
Ref 1 Purification and characterization of three inhibitors of voltage-dependent K+ channels from Leiurus quinquestriatus var. hebraeus venom. Biochemistry. 1994 Jun 7;33(22):6834-9. doi: 10.1021/bi00188a012.
Ref 2 Chemical synthesis and 1H-NMR 3D structure determination of AgTx2-MTX chimera, a new potential blocker for Kv1.2 channel, derived from MTX and AgTx2 scorpion toxins. Protein Sci. 2008 Jan;17(1):107-18. doi: 10.1110/ps.073122908. Epub 2007 Nov 27.
Ref 3 A designer ligand specific for Kv1.3 channels from a scorpion neurotoxin-based library. Proc Natl Acad Sci U S A. 2009 Dec 29;106(52):22211-6. doi: 10.1073/pnas.0910123106. Epub 2009 Dec 10.
Ref 4 Scorpion toxins interact with nicotinic acetylcholine receptors. FEBS Lett. 2019 Oct;593(19):2779-2789. doi: 10.1002/1873-3468.13530. Epub 2019 Jul 18.
Ref 5 Solution structure of the potassium channel inhibitor agitoxin 2: caliper for probing channel geometry. Protein Sci. 1995 Aug;4(8):1478-89. doi: 10.1002/pro.5560040805.
Ref 6 Moving pieces in a taxonomic puzzle: venom 2D-LC/MS and data clustering analyses to infer phylogenetic relationships in some scorpions from the Buthidae family (Scorpiones). Toxicon. 2006 May;47(6):628-39. doi: 10.1016/j.toxicon.2006.01.015. Epub 2006 Mar 23.
Ref 7 A Venomics Approach Coupled to High-Throughput Toxin Production Strategies Identifies the First Venom-Derived Melanocortin Receptor Agonists. J Med Chem. 2020 Aug 13;63(15):8250-8264. doi: 10.1021/acs.jmedchem.0c00485. Epub 2020 Jul 16.
Ref 8 Characterization of a new Kv1.3 channel-specific blocker, J123, from the scorpion Buthus martensii Karsch. Peptides. 2008 Sep;29(9):1514-20. doi: 10.1016/j.peptides.2008.04.021. Epub 2008 May 13.
Ref 9 Proteomic endorsed transcriptomic profiles of venom glands from Tityus obscurus and T. serrulatus scorpions. PLoS One. 2018 Mar 21;13(3):e0193739. doi: 10.1371/journal.pone.0193739. eCollection 2018.
Ref 10 Novel components of Tityus serrulatus venom: A transcriptomic approach. Toxicon. 2021 Jan 15;189:91-104. doi: 10.1016/j.toxicon.2020.11.001. Epub 2020 Nov 10.
Ref 11 Molecular cloning and electrophysiological studies on the first K(+) channel toxin (LmKTx8) derived from scorpion Lychas mucronatus. Peptides. 2007 Dec;28(12):2306-12. doi: 10.1016/j.peptides.2007.10.009. Epub 2007 Oct 22.
Ref 12 Molecular cloning and functional identification of a new K(+) channel blocker, LmKTx10, from the scorpion Lychas mucronatus. Peptides. 2009 Apr;30(4):675-80. doi: 10.1016/j.peptides.2008.11.015. Epub 2008 Dec 3.
Ref 13 Comparative venom gland transcriptome analysis of the scorpion Lychas mucronatus reveals intraspecific toxic gene diversity and new venomous components. BMC Genomics. 2010 Jul 28;11:452. doi: 10.1186/1471-2164-11-452.
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