Huwentoxin-XVI


CAS No. :

Huwentoxin-XVI,
Product Details
For research use only. Not Intended for Therapeutic Use!
Cat No:P000388
Molecular Formula:C196H292N50O56S6
Molecular Weight:4437.2 Da
Target:Huwentoxin-XVI is a selective blocker of N-type Ca2+ channels
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Appearance: White lyophilized solid
Purity rate: > 98%
AA sequence:  Cys1-Ile-Gly-Glu-Gly-Val-Pro-Cys8-Asp-Glu-Asn-Asp-Pro-Arg-Cys15-Cys16-Ser-Gly-Leu-Val-Cys21-Leu-Lys-Pro-Thr-Leu-His-Gly-Ile-Trp-Tyr-Lys-Ser-Tyr-Tyr-Cys36-Tyr-Lys-Lys-OH
Disulfide bonds:     Cys1-Cys16, Cys8-Cys21 and Cys15-Cys36
Length (aa): 39
Cat No:P000388
Product-Name:Huwentoxin-XVI
Huwentoxin-XVI is a 39 amino acids peptide that was discovered from the venom of the Chinese tarantula Ornithoctonus huwena. Huwentoxin-XVI was shown to be a potent blocker of HVA N-type calcium channels with an IC50 value of 60 nM in rat DRG. The blocking effect appears to be similar to that of ω-conotoxin-GVIA and ω-conotoxin-MVIIA. Neverthelss, Huwentoxin-XVI differs from GVIA and MVIIA thanks to its greater reversibility and its higher selectivity for N-type over P/Q type than MVIIA.

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