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Merck

C9915

Sigma-Aldrich

ω-Conotoxin GVIA

≥97% (HPLC)

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About This Item

Fórmula empírica (notación de Hill):
C120H182N38O43S6
Número de CAS:
Peso molecular:
3037.35
MDL number:
UNSPSC Code:
12352202
NACRES:
NA.32

Quality Level

assay

≥97% (HPLC)

form

powder

composition

Peptide content, ~70%

storage temp.

−20°C

Gene Information

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Amino Acid Sequence

Cys-Lys-Ser-Hyp-Gly-Ser-Ser-Cys-Ser-Hyp-Thr-Ser-Tyr-Asn-Cys-Cys-Arg-Ser-Cys-Asn-Hyp-Tyr-Thr-Lys-Arg-Cys-Tyr-NH2 [Disulfide Bridges: 1-16, 8-19, 15-26]

Application

ω-Conotoxin GVIA has been used as an antagonist for N-type calcium channel (CaV2.2) in various studies.
Powerful probe for exploring the vertebrate pre-synaptic terminal.

Biochem/physiol Actions

ω-Conotoxin GVIA is a 27 amino acid neurotoxin containing three disulfide bonds. It inhibits central neurotransmitter release and also exhibits antihypertensive, analgesic and neuroprotective activities.
Blocks specific voltage-dependent N-type Ca2+ channels in neurons, but not in muscle; does not bind to either the dihydropyridine or verapamil binding sites; peptide first isolated from the marine snail Conus geographus L.

Other Notes

Lyophilized from 0.1% TFA in H2O

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Certificados de análisis (COA)

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CaV2. 2 gates calcium-independent but voltage-dependent secretion in mammalian sensory neurons
Chai Z, et al.
Neuron, 96(6), 1317-1326 (2017)
Inhibition of central neurotransmitter release by omega-conotoxin GVIA, a peptide modulator of the N-type voltage-sensitive calcium channel
Dooley DJ, et al.
Naunyn-Schmiedeberg'S Archives of Pharmacology, 336(4), 467-470 (1987)
Precursor structure of omega-conotoxin GVIA determined from a cDNA clone
Colledge CJ, et al.
Toxicon, 30(9), 1111-1116 (1992)
C J Herrero et al.
British journal of pharmacology, 127(6), 1375-1387 (1999-08-24)
Rat alpha3beta4 or alpha7 neuronal nicotinic acetylcholine receptors (AChRs) were expressed in Xenopus laevis oocytes, and the effects of various toxins and non-toxin Ca2+ channel blockers studied. Nicotinic AChR currents were elicited by 1 s pulses of dimethylphenylpiperazinium (DMPP, 100
Crotoxin from Crotalus durissus terrificus snake venom induces the release of glutamate from cerebrocortical synaptosomes via N and P/Q calcium channels
da Silva Lomeo R, et al.
Toxicon, 85(1), 5-16 (2014)

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