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omega-Conotoxin MVIIC

omega-Conotoxin MVIIC

ArtNr	ALO-C-150-0.1mg
Hersteller	Alomone
CAS-Nr.	147794-23-8
Menge	0.1 mg
Quantity options	0.1 mg 0.25 mg 0.5 mg 10 mg 1 mg 2.5 mg 30 ug 5 mg
Kategorie	Metabolism Diabetes Reagents & Chemicals Molecules
Typ	Molecules
Format	Lyophilized
Specific against	other
Purity	≥99% (HPLC)
Formula	Lyophilized from double distilled water (ddH2O). May contain TFA as a residual counter ion.
Sequence	CKGKGAPCRKTMYDCCSGSCGRRGKC-NH<sub>2</sub>
ECLASS 10.1	32169090
ECLASS 11.0	32169090
UNSPSC	12000000
Versandbedingung	Raumtemperatur
Lieferbar
Manufacturer - Type	Non Antibodies
Manufacturer - Applications	Electrophysiology
Manufacturer - Category	Proteins
Manufacturer - Targets	N-type and P/Q-type Ca2+ channels
Country of Origin	Israel
Shipping Temperature	The product is shipped as a lyophilized powder at room temperature. Upon receipt, store the product at -20°C. Protect from moisture.
Storage Conditions	Storage as Solution: The reconstituted solution can be stored at 4°C for up to 1 week. For longer periods (up to 6 months), small aliquots should be stored at -20°C. We do not recommend storing the product in working solutions for longer than a few days. Avoid multiple freeze-thaw cycles. - Storage before Reconstitution: The product is shipped as a lyophilized powder at room temperature. Upon receipt, store the product at -20°C. Protect from moisture. - Storage after Reconstitution: The reconstituted solution can be stored at 4°C for up to 1 week. For longer periods (up to 6 months), small aliquots should be stored at -20°C. We do not recommend storing the product in working solutions for longer than a few days. Avoid multiple freeze-thaw cycles.
Molecular Weight	2749 Da
Manufacturer - Format	Lyophilized
Short description	A Blocker of Presynaptic CaV (N- and P/Q-Type) Channels
Description	SNX-230 - A Blocker of Presynaptic CaV (N- and P/Q-Type) Channels
Reconstitution	Centrifuge the vial (10, 000 × g for 5 minutes) before adding solvent to spin down all the powder to the bottom of the vial. The lyophilized product may be difficult to visualize. Add solvent directly to the centrifuged vial. Gently tap, tilt, and roll the vial to aid dissolution. Avoid vigorous vortexing; light vortexing for up to 3 seconds is acceptable if needed. The product is soluble in pure water at high micromolar concentrations (100 µM - 1 mM). For long-term storage in solution, we recommend preparing a stock solution by dissolving the product in double-distilled water (ddH2O) at a concentration between 100-1000x of the final working concentration. Divide the stock solution into small aliquots and store at -20°C. Before use, thaw the relevant vial(s) and dilute to the desired working concentration in your working buffer. Centrifuge all product preparations before use. It is recommended to prepare fresh solutions in working buffers just before use. Avoid multiple freeze-thaw cycles to maintain biological activity.
Specificity	A Blocker of Presynaptic Ca_V (N- and P/Q-Type) Channels
PH	7, 4
UNSPSC	12352202
Origin	Conus magus (Magical cone)
Modifications	Disulfide bonds between: Cys¹-Cys¹⁶, Cys⁸-Cys²⁰ and Cys¹⁵-Cys²⁶ Cys²⁶ - C-terminal amidation
Effective Concentration	50 nM - 1 μM
Activity	ω-Conotoxin MVIIC blocks P/Q- and N-type CaV channels1. ω-Conotoxin MVIIC is also reported to block nicotinic receptors heterologously expressed in Xenopus oocytes with an IC50 of 1.3 μM2.
Solubility	Centrifuge the vial before adding solvent (10, 000 x g for 5 minutes) to spin down all the powder to the bottom of the vial. The lyophilized product may be difficult to visualize. Add solvent directly to the centrifuged vial. Tap the vial to aid in dissolving the lyophilized product. Tilt and gently roll the liquid over the walls of the vial. Avoid vigorous vortexing. Light vortexing for up to 3 seconds is acceptable if needed. The product is soluble in pure water at high micromolar concentrations (100 µM - 1 mM). For long-term storage in solution, we recommend preparing a stock solution by dissolving the product in double-distilled water (ddH2O) at a concentration between 100-1000x of the final working concentration. Divide the stock solution into small aliquots and store at -20°C. Before use, thaw the relevant vial(s) and dilute to the desired working concentration in your working buffer. Centrifuge all product preparations before use. It is recommended to prepare fresh solutions in working buffers just before use. Avoid multiple freeze-thaw cycles to maintain biological activity.
Sterile endotoxin free	no
Bioassay tested	yes
Scientific Background	ω-Conotoxin MVIIC blocks CaV2.1 (α1A, P/Q-type) and CaV2.2 (α1B, N-type) channels.1 The toxin binds with high affinity to CaV2.1 and with lower affinity to CaV2.2 in rabbit brain.2 However, the block by ω-Conotoxin-MVIIC of N-type channels in DRG neurons developed much faster than the block of P-type currents in Purkinje cells.1 The effect of the toxin is modulated by voltage (i.e. it is more potent for inactivated channels).3In addition this toxin was reported to block nicotinic receptors (transiently expressed in Xenopus oocytes) with IC50 of 1.3 µM4 It was also shown to inhibit K+-induced 3H-GABA release in hippocampus in vivo.5 This effect was with high affinity (50% block, 200 nM). The toxin was used to inhibit synaptic transmission in several peripheral preparations.6, 7

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ALO-C-150-0.1mg-safety-datasheet.pdf