Huwentoxin XVI

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Cat.No. 5235 - Huwentoxin XVI | Cys-Ile-Gly-Glu-Gly-Val-Pro-Cys-Asp-Glu-Asn-Asp-Pro-Arg-Cys-Cys-Ser-Gly-Leu-Val-Cys-Leu-Lys-Pro-Thr-Leu-His-Gly-Ile-Trp-Tyr-Lys-Ser-Tyr-Tyr-Cys-Tyr-Lys-Lys | CAS No. 1600543-88-1
Description: Potent and reversible N-type Ca2+ channel blocker
Datasheet
Citations
Reviews
Literature

Biological Activity

Potent and selective N-type Ca2+ channel blocker (IC50 ~ 60 nM); selectively and reversibly blocks N-type Ca2+ channels. Does not block T-type Ca2+ channels, K+ channels or Na+ channels. Exhibits analgesic effects in vivo.

Technical Data

M. Wt 4437.13
Formula C196H292N50O56S6
Sequence CIGEGVPCDENDPRCCSGLVCLKPTLHGIWYKSYYCYKK

(Modifications: Disulfide bridge: 1-16,8-21,15-36)

Storage Store at -20°C
CAS Number 1600543-88-1
PubChem ID 90489025
InChI Key JEUFUDFTZMBKGH-UHFFFAOYSA-N
Smiles [H]N[C@H]1CSSC[C@@H]2NC(=O)[C@@H]3CSSC[C@H](NC(=O)[C@H](CC4=CC=C(O)C=C4)NC(=O)[C@H](CC4=CC=C(O)C=C4)NC(=O)[C@H](CO)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC4=CC=C(O)C=C4)NC(=O)[C@H](CC4=CNC5=C4C=CC=C5)NC(=O)[C@@H](NC(=O)CNC(=O)[C@H](CC4=CNC=N4)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](NC(=O)[C@@H]4CCCN4C(=O)[C@H](CCCCN)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CSSC[C@H](NC(=O)[C@@H]4CCCN4C(=O)[C@@H](NC(=O)CNC(=O)[C@H](CCC(O)=O)NC(=O)CNC(=O)[C@@H](NC1=O)[C@@H](C)CC)C(C)C)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(O)=O)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCNC(N)=N)C(=O)N3)NC(=O)[C@@H](NC(=O)[C@H](CC(C)C)NC(=O)CNC(=O)[C@H](CO)NC2=O)C(C)C)[C@@H](C)O)[C@@H](C)CC)C(=O)N[C@@H](CC1=CC=C(O)C=C1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(O)=O

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solubility Soluble to 1 mg/ml in water

References

References are publications that support the biological activity of the product.

Deng et al (2014) Huwentoxin-XVI, an analgesic, highly reversible mammalian N-type calcium channel antagonist from Chinese tarantula Ornithoctonus huwena. Neuropharmacology 79 657 PMID: 24467846

Jiang et al (2010) Venomics of the spider Ornithoctonus huwena based on transcriptomic versus proteomic analysis. Comp.Biochem.Physiol.Part D Genomics Proteomics 5 81 PMID: 20403776


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Literature in this Area

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