alpha-Conotoxin PIA

ArtNr	ALO-STC-870-0.1mg
Hersteller	Alomone
CAS-Nr.	669050-68-4
Menge	0.1 mg
Quantity options	0.1 mg 0.5 mg 10 mg 1 mg 50 ug 5 mg
Kategorie	Oncology By Cell Type Blastoma Carcinoma Hematology Lymphoma Sarcoma Reagents & Chemicals Molecules
Typ	Molecules
Format	Lyophilized
Specific against	other
Purity	≥98% (HPLC)
Formula	Lyophilized from double distilled water (ddH2O). May contain TFA as a residual counter ion.
Sequence	RDPCCSNPVCTVHNPQIC-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	α6 nAChR
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	1981 Da
Manufacturer - Format	Lyophilized
Short description	A Selective nAChRα6 Antagonist
Description	Alpha-conotoxin PIA - A Selective nAChRα6 Antagonist
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 Selective nAChRα6 Antagonist
PH	7, 4
UNSPSC	12352202
Origin	Conus purpurascens (Purple cone)
Modifications	Disulfide bonds between: Cys⁴-Cys¹⁰ and Cys⁵-Cys¹⁸ Cys¹⁸ - C-terminal amidation
Effective Concentration	0.2 - 1 µM
Activity	α-Conotoxin PIA is a selective antagonist of α6-containing nAChR1, 2.
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	α-Conotoxin PIA is a peptide toxin originally isolated from Conus purpurascens and belongs to the A superfamily of conotoxins. It is a selective antagonist for heteromeric α6 subunit -containing nicotinic acetylcholine receptors (nAChR). α-Conotoxin PIA binds on the extracellular portion of the nAChR and distinguishes α6 from α3 subunits due to its lower affinity for α3.The alpha-conotoxin PIA has an "omega-shaped" overall topology, containing spacing of Cys residues, disulfide connectivity, and the SNPV (serine, asparagine, proline, valine) sequence in the first peptide loop. The second loop demonstrates a kink in Pro15 that provides a distinct steric and electrostatic environment1-3.Evidence has shown that α-conotoxin PIA has the ability to potently block nicotine-stimulated dopamine release in rat striatal synaptosomes with low nanomolar potency1. Indeed, the IC50 value for α-conotoxin PIA of human chimeric α6/α3/β2/β3 nAChRs is 1.7 nM1.Nicotinic acetylcholine receptors containing α6 subunits in the CNS are involved in a variety of physiological functions, and considered to play an important role in cognitive function, motor activity, pain perception, analgesia and the reinforcing properties of nicotine.They are implicated in the pathophysiology and treatment of diseases like chronic Parkinson's, and Alzheimer's1.

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ALO-STC-870-0.1mg-safety-datasheet.pdf