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Key Documents

C5856

Sigma-Aldrich

Charybdotoxin, recombinant from Leiurus quinquestriatus hebraeus

recombinant, expressed in E. coli, lyophilized powder

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About This Item

Empirical Formula (Hill Notation):
C176H280N58O55S7
Molecular Weight:
4312.92
UNSPSC Code:
51111800
NACRES:
NA.77

recombinant

expressed in E. coli

Quality Level

form

lyophilized powder

storage temp.

−20°C

Amino Acid Sequence

Gln-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

Biochem/physiol Actions

Exhibits the same activity as the natural form of the toxin

Features and Benefits

This compound is featured on the Potassium Channels page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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E E Sugg et al.
The Journal of biological chemistry, 265(31), 18745-18748 (1990-11-05)
Charybdotoxin (ChTX), a potent inhibitor of the high conductance Ca2(+)-activated K+ channel (PK,Ca) is a highly basic peptide isolated from venom of the scorpion Leiurus quinquestriatus hebraeus, whose primary structure has been determined (Gimenez-Gallego, G., Navia, M. A., Reuben, J.

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