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ALX-630-059 Revised 15-Jul-08
Charybdotoxin
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SYNONYMS ChTx
PRODUCT LINE Natural Products / Antibiotics
PRODUCT CATEGORY Neurotoxins
Ordering Information
Product Numbers: Format: Size: Unit Price: Quantity: Add To Cart
ALX-630-059-C100   100 µg 490.00 USD Add To Cart
Product Specification
SEQUENCE: Pyr-Phe-Thr-Asn-Val-Ser-Cys-Thr-Thr-Ser-Lys-Glu-Cys-Trp-Ser-Val-Cys-Gln-Arg-Leu-His-Asn-Thr-Ser-Arg-Gly-Lys-Cys-Met-Asn-Lys-Lys-Cys-Arg-Cys-Tyr-Ser-OH
(Disulfide bonds between Cys7-Cys28, Cys13-Cys33 and Cys17-Cys35)
FORMULA: C176H277N57O55S7
MW: 4295.9
CAS NUMBER: 95751-30-7
MERCK INDEX: 14: 2046
SOURCE/HOST: Synthetic.
FORMULATION: Lyophilized.
RECONSTITUTION: Do not remove cap. Inject distilled water into the vial using a calibrated syringe. Dissolve all contents thoroughly to receive a 0.1mM solution. Prepare aliquots (100–200µl) and store at -20°C. The aqueous solution should be used within a few weeks.
SHIPPING: AMBIENT
LONG TERM STORAGE: -20°C
Product Description
Highly potent blocker of a variety of Ca2+-activated K+-channels in a wide range of cell types. Acts in nanomolar concentration and does not affect apamin-sensitive channels.
Product Specific Literature References
Charybdotoxin, a protein inhibitor of single Ca2+-activated K+ channels from mammalian skeletal muscle: C. Miller, et al.; Nature 313, 316 (1985) Abstract
C. Smith, et al.; J. Biol. Chem. 261, 14607 (1986) Abstract; Full Text
Purification, sequence, and model structure of charybdotoxin, a potent selective inhibitor of calcium-activated potassium channels: G. Gimenez-Gallego, et al.; PNAS 85, 3329 (1988) Abstract
Toxins in the characterization of potassium channels: N.A. Castle, et al.; TINS 12, 59 (1989) Abstract
Characterization of high affinity binding sites for charybdotoxin in sarcolemmal membranes from bovine aortic smooth muscle. Evidence for a direct association with the high conductance calcium-activated potassium channel: J. Vazquez, et al.; J. Biol. Chem. 264, 20902 (1989) Abstract; Full Text
Solution synthesis of charybdotoxin (ChTX), a K+ channel blocker: P. Lambert, et al.; BBRC 170, 684 (1990) Abstract
Potassium channel toxins: P.N. Strong; Pharmacol. Ther. 46, 137 (1990), (Review) Abstract
Characterization of high affinity binding sites for charybdotoxin in synaptic plasma membranes from rat brain. Evidence for a direct association with an inactivating, voltage-dependent, potassium channel: J. Vazquez, et al.; J. Biol. Chem. 265, 15564 (1990) Abstract; Full Text
Refined structure of charybdotoxin: common motifs in scorpion toxins and insect defensins: F. Bontems, et al.; Science 254, 1521 (1991) Abstract
Design, synthesis, and functional expression of a gene for charybdotoxin, a peptide blocker of K+ channels: C.S. Park, et al.; PNAS 88, 2046 (1991) Abstract
Synthesis of charybdotoxin and of two N-terminal truncated analogues. Structural and functional characterisation: C. Vita, et al.; Eur. J. Biochem. 217, 157 (1993) Abstract
Charybdotoxin and its effects on potassium channels: M.L. Garcia, et al.; Am. J. Physiol. 269, C1 (1995), ( Abstract
Effects of charybdotoxin on K+ channel (KV1.2) deactivation and inactivation kinetics: L.K. Sprunger, et al.; Eur. J. Pharmacol. 314, 357 (1996) Abstract
A charybdotoxin-insensitive conductance in human T lymphocytes: T cell membrane potential is set by distinct K+ channels: J. A. Verheugen & H. Korn; J. Physiol. 503, 317 (1997) Abstract
Interaction of agitoxin2, charybdotoxin, and iberiotoxin with potassium channels: selectivity between voltage-gated and Maxi-K channels: Y. D. Gao & M. L. Garcia; Proteins 52, 146 (2003) Abstract
Block of maurotoxin and charybdotoxin on human intermediate-conductance calcium-activated potassium channels (hIKCa1): V. Visan, et al.; Toxicon 43, 973 (2004) Abstract
Further Categories Containing This Product:
K+ Channel Blockers & Inhibitors
 
 

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