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Smartox//CON024-00100/0.1mg

价格
¥811.20
货号:CON024-00100
浏览量:127
品牌:Smartox
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商品描述

α-ConotoxinBuIAhasbeenidentifiedwithinthevenomofthemarinesnailConusBullatus. α-ConotoxinBuIAisapotentblockerofneuronalnicotinicacetylcholinereceptorswithinterestingselectivitypropertiesamongisoforms.Inparticular,itdiscriminatesbestratα6-subunitcontainingneuronalAChRoverα4-containingreceptorswithrespectiveIC50valuesof0.25nMforα6/α3β2chimerasand10µMforα4β2.However,thelevelofdiscriminationismainlyβ-isoformdependentbecausethekineticsofunblockaredependentontheβ-subunittype.NeuronalAChRscontainingβ4ratherthanβ2haveaveryslowoffrateforα-ConotoxinBuIA.ThisistruealsoforhumanAChRs.Asaresult,theIC50valuesforα3β2andα3β4are,respectively,5.7nMand27nMandtheirKoff,respectively,0.65min-1and0.011min-1.α-ConotoxinBuIA canthusbeadvantageouslyusedtodiscriminatebetweena-isoformsandalsobetweenβ2andβ4isoforms.

Description:

Productcode:CON024.Category:NicotinicAcetylcholineReceptor.

AAsequence:GCCSTPPCAVLYC-NH2
Disulfidebonds:Cys2-Cys8;Cys3-Cys13
Formula:C54H82N14O16S4
Appearance:Whitelyophilizedsolid
MolecularWeight: 1311.59g/mol
Source:Synthetic
Counterion:TFAsalts
Solubility:Waterorsalinebuffer

Reference:

Determinantsofα-conotoxinBuIAselectivityonthenicotinicacetylcholinereceptorβsubunit
ShiembobD.,etal.(2006) Determinantsofα-conotoxinBuIAselectivityonthenicotinicacetylcholinereceptorβsubunit.Biochemistry
α-ConotoxinBuIA,aNovelPeptidefromConusbullatus,DistinguishesamongNeuronalNicotinicAcetylcholineReceptors
AzamL.,etal.(2004)α-ConotoxinBuIA,aNovelPeptidefromConusbullatus,DistinguishesamongNeuronalNicotinicAcetylcholineReceptors.JBC
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。