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Guangxitoxin 1E(GxTx-1E)

簡要描述:Smartox Biotechnology是*一家專門生產(chǎn)動物毒液多肽毒素,用于細胞離子通道功能研究的生物醫(yī)藥公司。多肽毒素在生物制藥領域具有重要的使用價值。

  • 產(chǎn)品型號:11GUA002
  • 廠商性質:代理商
  • 更新時間:2024-08-26
  • 訪  問  量:1677

產(chǎn)品介紹

Guangxitoxin 1E 

 

Selective blocker of Kv2.1 and Kv2.2(鉀離子通道Kv2.1 Kv2.2選擇性阻斷劑)

 

Guangxitoxin-1E (GxTx-1E) was isolated from the venom of Chilobrachys jingzhao (Chinese earth tiger tarantula).Guangxitoxin-1E was shown to block Kv2.1/KCNB1, Kv2.2/KCNB2 and Kv4.3/KCND3 channels without significant effect on Kv1.2/KCNA2, Kv1.3/KCNA3, Kv1.5/KCNA5, Kv3.2/KCNC2, Cav1.2/CACNA1C, Cav2.2/CACNA1B, Nav1.5/SCN5A, Nav1.7/SCN9A or Nav1.8/SCN10A channels. Guangxitoxin-1E inhibits Kv2.1 with an IC50 value of 1 nM and Kv2.2 with an IC50 value of 3 nM. Block of Kv4.3 occurs at 10-20 fold higher concentrations. Guangxitoxin-1E acts as a gating modifier since it shifts the voltage-dependence of Kv2.1 K+ currents towards depolarized potentials. In pancreatic beta-cells, Guangxitoxin-1E enhances glucose-stimulated insulin secretion by broadening the cell action potential and enhancing calcium oscillations.

 

治療領域:Diabetes type 2(II型糖尿?。?/span>

 

Guangxitoxin-1E 技術資料

氨基酸序列:

 Glu-Gly-Glu-Cys4-Gly-Gly-Phe-Trp-Trp-Lys-Cys11-Gly-Ser-Gly-Lys-Pro-Ala-Cys18-Cys19-Pro-Lys-Tyr-Val-Cys24-Ser-Pro-Lys-Trp-Gly-Leu-Cys31-Asn-Phe-Pro-Met-Pro-OH 

二硫鍵(Presumed disulfide bridge pattern: Cys4-Cys19, Cys11-Cys24 and Cys18-Cys31 

長度 (aa)36 

分子式:C178H248N44O45S7 

分子量:3948.70 Da 

外觀:White lyophilized solid 

可溶性:water and saline buffer 

CAS 號:not available 

來源:Synthetic 

純度: > 95%

 

產(chǎn)品信息

11GUA002-00050

GxTx-1E

0.05mg

11GUA002-50050

GxTx-1E

       5 x 0.05mg

1GUA002-00100

GxTx-1E

0.1mg

11GUA002-00500

GxTx-1E

0.5mg

 

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