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 ALX-630-049[ALEXIS] Revised 14-Oct-08  

α-Conotoxin SI

PRODUCT LINE   

Natural Products / Antibiotics

PRODUCT FAMILIES   

Neurotoxins

Ordering Information
 Product NumbersFormatSizeUnit PriceQuantity
 ALX-630-049-C500 500 µg  
Product Specification
SEQUENCE:   H-Ile-Cys-Cys-Asn-Pro-Ala-Cys-Gly-Pro-Lys-Tyr-Ser-Cys-NH2
(Disulfide bonds between Cys2-Cys7and Cys3-Cys13)
 
FORMULA:   C55H83N16O16S4
 
MW:   1352.6
 
SOURCE/HOST:   Synthetic. Originally isolated from Conus striatus.
 
PURITY:   ≥96%
 
APPEARANCE:   Lyophilized.
 
SOLUBILITY:   Soluble in water.
 
SHIPPING:   AMBIENT
 
LONG TERM STORAGE:   -20°C
 
HAZARD:   VERY TOXIC.
Product Description

Neurotoxin. Postsynaptic inhibitor at the neuromuscular junction. Selective antagonist of neuromuscular or neuronal nicotinic acetylcholine receptors. Not for sale in U.S.A.

Product Specific Literature References
Phylogenetic specificity of cholinergic ligands: alpha-conotoxin SI: G.C. Zafaralla, et al.; Biochemistry 27, 7102 (1988) Abstract
Synthesis of .alpha.-conotoxin SI, a bicyclic tridecapeptide amide with two disulfide bridges: illustration of novel protection schemes and oxidation strategies: M.C. Munson & G. Barany; JACS 115, 10203 (1993)
The alpha-conotoxins GI and MI distinguish between the nicotinic acetylcholine receptor agonist sites while SI does not: R.M. Hann, et al.; Biochemistry 33, 14058 (1994) Abstract
alpha-Conotoxins: nicotinic acetylcholine receptor antagonists as pharmacological tools and potential drug leads: J. L. Dutton & D. J. Craik; Curr. Med. Chem. 8, 327 (2001), (Review) Abstract
Alpha-conotoxins as tools for the elucidation of structure and function of neuronal nicotinic acetylcholine receptor subtypes: A. Nicke, et al.; Eur. J. Biochem. 271, 2305 (2004), (Review) Abstract
alpha-Conotoxins as selective probes for nicotinic acetylcholine receptor subclasses: R.W. Janes; Curr. Opin. Pharmacol. 5, 280 (2005), (Review) Abstract
RELATED PRODUCT GROUPS   

Peptides / Neurobiology > Acetylcholine & Acetylcholine Receptors > Acetylcholine Receptors / Related Products > Acetylcholine Receptors Other Products / Natural Products / Antibiotics > Natural Products > Marine Natural Products