Sarafotoxin S6c

≥97% (HPLC)

Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:
Pricing and availability is not currently available.

Quality Level


≥97% (HPLC)

storage temp.


SMILES string




InChI key


Gene Information

human ... EDNRB(1910)
mouse ... EDNRB(13618)
rat ... EDNRB(50672)

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Amino Acid Sequence

Cys-Thr-Cys-Asn-Asp-Met-Thr-Asp-Glu-Glu-Cys-Leu-Asn-Phe-Cys-His-Gln-Asp-Val-Ile-Trp [Disulfide Bridges: 1-15, 3-11]

Biochem/physiol Actions

Sarafotoxin S6c is an endothelin ETB agonist. It is a peptide isotoxin with strong vasoconstrictor activity, obtained from the Middle Eastern snake, Atractaspis engaddensi. The toxin is composed of 21 amino acids.

Other Notes

Lyophilized from 0.1% TFA in H2O

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
J L Marshall et al.
British journal of pharmacology, 128(3), 809-815 (1999-10-12)
1. An investigation was performed in pentobarbitone anaesthetized rats to compare the renal vasoconstrictor actions of endothelin-1 (ET-1), endothelin-3 (ET-3) and sarafotoxin 6c and their dependency on NO production. 2. Intra-renal arterial infusion of ET-1 and ET-3, from 1 -...
The ocular hypotensive effect of the ETB receptor selective agonist, sarafotoxin S6c, in rabbits
Haque MS
Investigative Ophthalmology & Visual Science (1995)
Sarafotoxin S6c: an agonist which distinguishes between endothelin receptor subtypes.
Willaims DL Jr
Biochemical and Biophysical Research Communications (1991)
D L Williams et al.
Biochemical and biophysical research communications, 175(2), 556-561 (1991-03-25)
In contrast to endothelin-1 (ET-1) and several of its analogues, sarafotoxin S6c (S6c) was a much more potent inhibitor of [125I]-ET-1 binding in rat hippocampus and cerebellum (Ki approximately 20 pM) than in rat atria and aorta (Ki approximately 4500...
R J Johnson et al.
The Journal of pharmacology and experimental therapeutics, 289(2), 762-767 (1999-04-24)
In the present study, endothelin (ET) agonists and receptor selective antagonists were used to characterize ET receptors mediating constriction in guinea pig mesenteric veins (250-300 micrometers diameter) in vitro. The contribution of ET-evoked vasodilator release to venous tone was also...

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