Calcicludine

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Calcicludine is a protein toxin from the venom of the green mamba Dendroaspis angusticeps that inhibits high-voltage-activated calcium channel, especially L-type calcium channel with the IC₅₀ of 88 nM. Calcicludine has role in excitatory synaptic transmission.

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Calcicludine Chemical Structure

CAS No. : 178036-64-1

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Calcicludine Related Antibodies

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Description

Calcicludine is a protein toxin from the venom of the green mamba Dendroaspis angusticeps that inhibits high-voltage-activated calcium channel, especially L-type calcium channel with the IC₅₀ of 88 nM. Calcicludine has role in excitatory synaptic transmission^[1]^[2].

IC₅₀ & Target

L-type calcium channel

88 nM (IC₅₀)

Molecular Weight
6980.13

Formula
C₃₂₁H₄₇₆N₈₆O₇₈S₆

CAS No.
178036-64-1

Sequence
Trp-Gln-Pro-Pro-Trp-Tyr-Cys-Lys-Glu-Pro-Val-Arg-Ile-Gly-Ser-Cys-Lys-Lys-Gln-Phe-Ser-Ser-Phe-Tyr-Phe-Lys-Trp-Thr-Ala-Lys-Lys-Cys-Leu-Pro-Phe-Leu-Phe-Ser-Gly-Cys-Gly-Gly-Asn-Ala-Asn-Arg-Phe-Gln-Thr-Ile-Gly-Glu-Cys-Arg-Lys-Lys-Cys-Leu-Gly-Lys (Disulfide bridge: Cys7-Cys57; Cys16-Cys40; Cys32-Cys53)

Sequence Shortening
WQPPWYCKEPVRIGSCKKQFSSFYFKWTAKKCLPFLFSGCGGNANRFQTIGECRKKCLGK (Disulfide bridge: Cys7-Cys57; Cys16-Cys40; Cys32-Cys53)

Structure Classification

Others

Initial Source

Animals

Ceratogyrus cornuatus

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Please store the product under the recommended conditions in the Certificate of Analysis.

Purity & Documentation

Data Sheet (261 KB) Handling Instructions (2659 KB)

References

[1]. H Schweitz, et al. Calcicludine, a venom peptide of the Kunitz-type protease inhibitor family, is a potent blocker of high-threshold Ca2+ channels with a high affinity for L-type channels in cerebellar granule neurons. Proc Natl Acad Sci U S A. 1994 Feb 1;91(3):878-82. [Content Brief]

[2]. S C Stotz, et al. Block of Voltage-dependent Calcium Channel by the Green Mamba Toxin Calcicludine. J Membr Biol. 2000 Mar 15;174(2):157-65. [Content Brief]

[1]. H Schweitz, et al. Calcicludine, a venom peptide of the Kunitz-type protease inhibitor family, is a potent blocker of high-threshold Ca2+ channels with a high affinity for L-type channels in cerebellar granule neurons. Proc Natl Acad Sci U S A. 1994 Feb 1;91(3):878-82.

[2]. S C Stotz, et al. Block of Voltage-dependent Calcium Channel by the Green Mamba Toxin Calcicludine. J Membr Biol. 2000 Mar 15;174(2):157-65.

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Calcicludine Related Classifications

Natural Products

Animals Others

Peptides

Peptide and Derivatives

Inhibitors and Substrates

Ion Channel Modulators

Neurological Disease

Membrane Transporter/Ion Channel Neuronal Signaling

Calcium Channel

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Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

× = ×

C1 V1 C2 V2

Help & FAQs

Do most proteins show cross-species activity?
Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

Calcicludine178036-64-1Calcium ChannelCa2+ channelsCa channelsCalcium Channel InhibitorInhibitorinhibitorinhibit

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Calcicludine

Calcicludine Related Antibodies

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