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Butantoxin
Butantoxin (BuTX) is a compound of the venom of three Brazilian and an Argentinean scorpion species of the genus ''Tityus''. Butantoxin reversibly blocks the voltage-gated K+ channels Shaker B and Kv1.2, and the Ca2+-activated K+ channels KCa 1.1 and KCa 3.1. ==Sources== Butantoxin is one of multiple toxins isolated from the venom of three Brazilian and one Argentinean scorpion species of the genus ''Tityus'': ''T. serrulatus'', ''T. bahiensis'', ''T. stigmurus'' and ''T. trivitattus''. Butantoxin was the first isolated scorpion toxin (identical primary structure and folding) found to be produced by more than one scorpion species.〔 Previously studied toxin sequences varied between different species within a genus.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Butantoxin」の詳細全文を読む
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