Target Information

General Information of This Target
Target ID
BTDT10302
Target Name
Voltage-dependent T-type calcium channel subunit alpha-1I
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    Mu-thomitoxin-Hme1c Inhibition rate . [1], [2]
 Toxin Info    Neurotoxic enhancer CSTX-13 Inhibition rate . [3], [4], [5], [6]
 Toxin Info    Potassium channel toxin alpha-KTx 1.16 Inhibition rate . [7], [8]
 Toxin Info    Potassium channel toxin alpha-KTx 1.17 Inhibition rate . [7], [8]
 Toxin Info    Mu-theraphotoxin-Pn3a IC50
960 nM
 [9- 14]
References
Ref 1 Structure of membrane-active toxin from crab spider Heriaeus melloteei suggests parallel evolution of sodium channel gating modifiers in Araneomorphae and Mygalomorphae. J Biol Chem. 2015 Jan 2;290(1):492-504. doi: 10.1074/jbc.M114.595678. Epub 2014 Oct 28.
Ref 2 Spider toxin inhibits gating pore currents underlying periodic paralysis. Proc Natl Acad Sci U S A. 2018 Apr 24;115(17):4495-4500. doi: 10.1073/pnas.1720185115. Epub 2018 Apr 10.
Ref 3 The Dual Prey-Inactivation Strategy of Spiders-In-Depth Venomic Analysis of Cupiennius salei. Toxins (Basel). 2019 Mar 19;11(3):167. doi: 10.3390/toxins11030167.
Ref 4 CSTX-13, a highly synergistically acting two-chain neurotoxic enhancer in the venom of the spider Cupiennius salei (Ctenidae). Proc Natl Acad Sci U S A. 2004 Aug 3;101(31):11251-6. doi: 10.1073/pnas.0402226101. Epub 2004 Jul 22.
Ref 5 Spider venom: enhancement of venom efficacy mediated by different synergistic strategies in Cupiennius salei. J Exp Biol. 2005 Jun;208(Pt 11):2115-21. doi: 10.1242/jeb.01594.
Ref 6 Neurotoxin Merging: A Strategy Deployed by the Venom of the Spider Cupiennius salei to Potentiate Toxicity on Insects. Toxins (Basel). 2020 Apr 12;12(4):250. doi: 10.3390/toxins12040250.
Ref 7 Variability of Potassium Channel Blockers in Mesobuthus eupeus Scorpion Venom with Focus on Kv1.1: AN INTEGRATED TRANSCRIPTOMIC AND PROTEOMIC STUDY. J Biol Chem. 2015 May 8;290(19):12195-209. doi: 10.1074/jbc.M115.637611. Epub 2015 Mar 19.
Ref 8 K(V)1.2 channel-specific blocker from Mesobuthus eupeus scorpion venom: Structural basis of selectivity. Neuropharmacology. 2018 Dec;143:228-238. doi: 10.1016/j.neuropharm.2018.09.030. Epub 2018 Sep 22.
Ref 9 Pharmacological characterisation of the highly Na(V)1.7 selective spider venom peptide Pn3a. Sci Rep. 2017 Jan 20;7:40883. doi: 10.1038/srep40883.
Ref 10 Corrigendum: Pharmacological characterisation of the highly Na(V)1.7 selective spider venom peptide Pn3a. Sci Rep. 2017 May 26;7:46816. doi: 10.1038/srep46816.
Ref 11 Antiallodynic effects of the selective NaV1.7 inhibitor Pn3a in a mouse model of acute postsurgical pain: evidence for analgesic synergy with opioids and baclofen. Pain. 2019 Aug;160(8):1766-1780. doi: 10.1097/j.pain.0000000000001567.
Ref 12 Chemical Synthesis, Proper Folding, Na(v) Channel Selectivity Profile and Analgesic Properties of the Spider Peptide Phlotoxin 1. Toxins (Basel). 2019 Jun 21;11(6):367. doi: 10.3390/toxins11060367.
Ref 13 Spider Venom Peptide Pn3a Inhibition of Primary Afferent High Voltage-Activated Calcium Channels. Front Pharmacol. 2021 Jan 28;11:633679. doi: 10.3389/fphar.2020.633679. eCollection 2020.
Ref 14 -Theraphotoxin Pn3a inhibition of Ca(V)3.3 channels reveals a novel isoform-selective drug binding site. Elife. 2022 Jul 20;11:e74040. doi: 10.7554/eLife.74040.
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