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GrTx1 Europäischer Partner

ArtNr ALO-STG-250-0.5mg
Hersteller Alomone
Menge 0.5 mg
Quantity options 0.1 mg 0.25 mg 0.5 mg 10 mg 1 mg 50 ug 5 mg
Kategorie
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 YCQKWMWTCDSKRKCCEDMVCQLWCKKRL-OH
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
NaV, KV11.1 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
3697.5 Da
Manufacturer - Format
Lyophilized
Short description
A Blocker of NaV and KV11.1 Channels
Description
β-theraphotoxin-Gr1a, β-TRTX-Gr1a - A Blocker of NaV and KV11.1 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 NaV and KV11.1 Channels

PH
7, 4
UNSPSC
12352202
Origin
Grammostola rosea (Chilean rose tarantula) (Grammostola spatulata)
Modifications
Disulfide bonds between: Cys2-Cys16, Cys9-Cys21 and Cys15-Cys25
Effective Concentration
20 - 500 nM
Activity
GrTx1 is a blocker of voltage-gated Na+ channels and herg1 channels1.
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
β-theraphotoxin-Gr1a (GrTx1) is a peptidyl toxin originally isolated from the venom of the ''rosean-tarantula'' (Grammostola rosea). GrTx1 has 29 amino-acid residues, compactly folded by three disulfide bridges with a molecular weight of 3697 Da. Sequence analysis reveals that GrTx1 is closely related to other spider toxins reported to affect various distinct ion channel functions1. The toxin inhibits NaV1.1 (IC50 = 0.63 μM), NaV1.2 (IC50= 0.23 μM), NaV1.3 (IC50 = 0.77 μM), NaV1.4 (IC50= 1.29 μM), NaV1.6 (IC50= 0.63 μM), NaV1.7 (IC50= 0.37 μM) and potassium channels KV11.1 (IC50 = 1.2 μM)2.

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Alle Produkte sind nur für Forschungszwecke bestimmt. Nicht für den menschlichen, tierärztlichen oder therapeutischen Gebrauch.

Menge: 0.5 mg
Lieferbar: In stock
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