MitTx
MitTx toxin – ASIC1a/1b agonist
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產(chǎn)品名稱: MitTx
MitTx toxin – ASIC1a/1b agonist
產(chǎn)品型號: MTX002
產(chǎn)品展商: 其他品牌
產(chǎn)品文檔: 無相關(guān)文檔
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MitTx
MitTx toxin – ASIC1a/1b agonist
的詳細(xì)介紹
MitTx
MitTx toxin – ASIC1a/1b agonist
MitTx is a peptide isolated from the Venom of the Texas coral snake Micrurus tener tener. MitTx is a selective agonist for acid-sensing ion channels 1 (ASIC1s) and produces a similar effect than pH drops. MitTx activates both ASIC1a & ASIC1b with a higher selectivity for ASIC1a (EC50 = 9.4 nM) compared to the ASIC1b (EC50= 23 nM). MitTx also demonstrates an activity for ASIC3 with a lower potency (EC50=830 nM).
The venom toxin MitTx is an heterodimer composed of an α subunit of ~ 7 kDa and a β subunit of ~ 13.5 kDa. These two subunits when isolated do not present activity against ASIC channels. In vivo, the heterodimer elicits a robust pain-related behavior in mice by activation of ASIC1 channels on capsaicin-sensitive nerve fibers
Bioassay results obtained in patch clamp at 30nM on the rASIC1a and rASIC1b expressed in xenopus oocytes.
