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Smartox//PTF003-00500/0.5mg

价格
¥22464.00
货号:PTF003-00500
浏览量:127
品牌:Smartox
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商品描述

ATTO488-ProTx-I(Protoxin1;β-theraphotoxin-Tp1a) isafluorescentlylabeledProTx-IthatwasoriginallyisolatedfromthevenomofThrixopelmapruriens(Peruviangreenvelvettarantula).ThistoxinreversIBLyinhibitsthetetrodotoxin(TTX)-resistantchannel Nav1.8(IC50 =27nM)and Nav1.2,Nav1.5andNav1.7 withIC50 valuesbetween50and100nM.FurThermore, ProTx-I shiftsthevoltagedependenceactivityof T-typeCav3.1channels (IC50=50nM)withoutaffectingthevoltagedependenceofinactivation. ProTx-I isavaluabletooltodiscriminatebetweenCav3.1andCav3.2.ProTx-IisalsoanantagoNISTofTRAP1.

Description:

Productcode:PTF003.Category:Sodiumchannels.Tags:protoxin,protx,protx-1,protx-i.

AAsequence:Glu-Cys2-Arg-Tyr-Trp-Leu-Gly-Gly-Cys9-Ser-Ala-Gly-Gln-Thr-Cys15-Cys16-Lys-His-Leu-Val-Cys21-Ser-Arg-Arg-His-Gly-Trp-Cys28-Val-Trp-Asp-Gly-Thr-Phe-Ser-OH
Disulfidebridges:Cys2-Cys16,Cys9-Cys21,Cys15-Cys28
Length(aa):35
FormulaofProTx-I:C171H245N53O47S6
MolecularWeightofProTx-I:3987.50Da
CASnumber:Notavailable
Source:Synthetic
Purityrate:>95%
ATTO488:λex500nm,λem520nm

Smartox生物素ProTx-I电压门控钠通道和T型Cav的阻断剂毒素I(ProTx-1;β-theraphotoxin-Tp1a) 是一种毒素,最初是从Prixopelma pruriens(秘鲁绿色天鹅绒狼蛛)的毒液中分离出来的。此毒素可逆地抑制抗河豚毒素(TTX)的通道 Na v 1.8(IC 50  = 27 nM)和 Na v 1.2,Na v 1.5和Na v 1.7  ,IC 50 值为50至100 nM。此外,  ProTx-I 改变了T型Ca v 3.1通道的电压依赖性活动  (IC 50 = 50 nM),而不会影响灭活的电压依赖性。生物素ProTx-I是ProTx-I的生物素标签版本。