Protoxin II (ProTx II)
产品编号 ABIN1540119
发货至:
中国
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Quick Overview for Protoxin II (ProTx II) (ABIN1540119)
抗原
Protoxin II
应用范围
Blocking Reagent (BR)
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原理
- ProTx-2 is a Nav1.7 channel selective blocker
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序列
- Tyr-Cys2-Gln-Lys-Trp-Met-Trp-Thr-Cys9-Asp-Ser-Glu-Arg-Lys-Cys15-Cys16-Glu-Gly-Met-Val-Cys21-Arg-Leu-Trp-Cys25-Lys-Lys-Lys-Leu-Trp-OHDisulfid e bonds between Cys2-Cys16, Cys9-Cys21and Cys15-Cys25
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限制
- 仅限研究用
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- Protoxin II
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背景
- Protoxin II is a toxin that was originally isolated from Thrixopelma pruriens (Peruvian green velvet tarantula). Protoxin II inhibits voltage-gated calcium and sodium channels (site 4). This toxin inhibits activation by shifting the voltage-dependence of channel activation to more positive potentials. The toxin potently inhibits all sodium channel subtypes tested (Nav1.2/SCN2A, Nav1.5/SCN5A, Nav1.7/SCN9A, and Nav1.8/SCN10A). It is approximately 15-fold more potent on Nav1.7/SCN9A than on Nav1.5/SCN5A channels and acts on Cav3.1/CACNA1G and interacts more weakly with the related T-Type channel Cav3.2/CACNA1H but potently inhibits the L-type calcium channel Cav1.2/CACNA1C. Protoxin II also binds to phospholipids. ProTx-II, a selective inhibitor of Nav1.7 sodium channels,blocks action potential propagation in nociceptors.
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分子量
- 3828 Da
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CAS-编号
- 484598-36-9
抗原
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