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Home / Proteins & Peptide / Proteins

alpha-Bungarotoxin-Biotin

SKU : BHP21300005

A Biotinylated Conjugate for Sensitive Detection of Neuromuscular Junctions, GABA(A) Receptors, nAChRs, and alpha-Bungarotoxin Binding Sites

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Mfr.No.	B-100-B, B-100-B_10 mcg, B-100-B_50 mcg
Description	A Biotinylated Conjugate for Sensitive Detection of Neuromuscular Junctions, GABA(A) Receptors, nAChRs, and alpha-Bungarotoxin Binding Sites
Reconstitution	Centrifuge the vial (10,000 x 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 (5 uM - 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.
Background	alpha-Bungarotoxin isoform A31 is a 74 amino acid peptidyl toxin isolated from the venom of the banded krait snake, Bungarus multicinctus1.alpha-Bungarotoxin blocks postsynaptic neuromuscular transmission via competitive inhibition of nicotinic ACh receptors (nAChRs) with an IC50 of 3.5 x 10-10 M, thereby preventing the depolarizing action on postsynaptic membranes and blocking neuromuscular transmission2.The toxin is selective for alpha7 receptors (IC50 value of 1.6 nM) and alpha3/beta4 receptors (IC50 value of >3 uM)3,4.alpha-Bungarotoxin also binds to and blocks a subset of GABAA receptors (GABAARs) that contain the GABAAR beta3 subunit. In particular, alpha-Bungarotoxin blocks GABAARs that contain interfaces between adjacent beta3 subunits5.
Biological Activity	alpha-Bungarotoxin blocks postsynaptic neuromuscular transmission via competitive inhibition of nicotinic ACh receptors (nAChRs), thereby preventing the depolarizing action on postsynaptic membranes and blocking neuromuscular transmission. Selective for alpha7 receptors (IC50 value of 1.6 nM) and alpha3/beta4 receptors (IC50 value of >3 uM)1,2. The toxin also blocks GABA(A) receptor subtypes3.
Formulation	Lyophilized from double distilled water (ddH2O). May contain TFA as a residual counter ion.
Molecular Weight	~9030 Da
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 to high-micromolar concentrations (50 uM - 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.
Source	Modified natural protein
Concentration	1 - 3 uM
Form	Lyophilized
Notes	Bioassay Tested: yes Steril endotoxin free: no Is Toxin: Yes
UNSPSC Code	12352202
Lead Time	1-2 Business Days
Modifications	Disulfide bonds between: Cys3-Cys23, Cys16-Cys44, Cys29-Cys33, Cys48-Cys59 and Cys60-Cys65 LC-Biotin
Origin	Bungarus multicinctus (Many-banded krait)

Synonyms	Long neurotoxin 1, alpha-Bgtx, alpha-BuTX
Gene Id	CHRNA1,CHRNA10,CHRNA7,CHRNA9,CHRNB1,GABRA1,GABRA2,GABRA4,GABRA5,GABRB2,GABRB3,GABRG2
Sequence	IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG-OH
Target	alpha7, alpha1/beta1/gamma/delta nAChR, GABA(A) receptor subtypes

Country Of Origin	Israel/IL
Storage	Storage After Reconstitution: Store the reconstituted solution for the shortest time possible at -20°C. We do not recommend storing the product in working solution for longer than one day. 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. Avoid exposure to light. Storage of solutions: Store the reconstituted solution at -20°C for the shortest time possible. Avoid multiple freeze-thaw cycles. We do not recommend storing the product in working solutions for longer than a day.

Applications	Electrophysiology, Immunofluorescence, Indirect flow cytometry

Reference	Ohta, M. et al. (1987) FEBS Lett. 222, 79. Wilson, P.T. et al. (1988) Mol. Pharmacol. 34, 643. Wilson, S.P. and Kirshner, N. (1977) J. Neurochem. 28, 687. Garcia-Guzman, M. et al. (1995) Eur. J. Neurosci. 7, 647. McCann, C.M. et al. (2006) Proc. Natl. Acad. Sci. U.S.A. 103, 5149. Wilson, S.P. and Kirshner, N. (1977) J. Neurochem. 28, 687. Garcia-Guzman, M. et al. (1995) Eur. J. Neurosci. 7, 647. McCann, C.M. et al. (2006) Proc. Natl. Acad. Sci. U.S.A. 103, 5149.

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Combination SKU	Supplier No.	Size	Your price	Quantity
BHP21300005-1	B-100-B_10 mcg	10 mcg	$235		Add to Cart
BHP21300005-2	B-100-B_50 mcg	50 mcg	$937		Add to Cart

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