omega-agatoxin IVA peptide (Atto 647N)
Reactivité: Agelenopsis aperta
Hôte: Synthetic
BP, FACS, FM, IF, LCI
N° du produit ABIN7582135
Aperçu rapide pour omega-agatoxin IVA peptide (Atto 647N) (ABIN7582135)
Antigène
omega-agatoxin IVA
Origine
Agelenopsis aperta
Source
Synthetic
Application
Blocking Peptide (BP), Flow Cytometry (FACS), Fluorescence Microscopy (FM), Immunofluorescence (IF), Live Cell Imaging (LCI)
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Type de proteíne
- Synthetic
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Purification/Conjugué
- Atto 647N
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Fonction
- A Fluorescent Conjugate Marker for Sensitive Detection of P/Q-Type CaV Channels
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Séquence
- KKKCIAKDYG RCKWGGTPCC RGRGCICSIM GTNCECKPRL IMEGLGLA-OH
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Specificité
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Toxin target: P-type Ca2+ channels,
Disulfide bonds between: Cys4-Cys20, Cys12-Cys25, Cys19-Cys36 and Cys27-Cys34 ATTO Fluor-647N -
Attributs du produit
- A Fluorescent Conjugate Marker for Sensitive Detection of P/Q-Type CaV Channels
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omega-agatoxin IVA peptide
Reactivité: Agelenopsis aperta Hôte: Synthetic BP
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Indications d'application
- Antigen Preadsorption Control: 0.5 - 3 μM
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Restrictions
- For Research Use only
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Format
- Lyophilized
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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 lyophilized in 0.5 mL conical vial. The product is soluble in pure water to high-micromolar concentrations (5 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. Avoid exposure to light.
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Buffer
- Lyophilized from double distilled water (ddH2O). May contain TFA as a residual counter ion.
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Stock
- -20 °C
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Stockage commentaire
- 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. Avoid exposure to light.,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. Avoid exposure to light.
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- omega-agatoxin IVA
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Sujet
- Omega-agatoxin-Aa4a, ω-AGTX-Aa4a, ω-Aga-IVA, ω-agatoxin-4A,Native ω-Agatoxin IVA (ω-Aga-IVA) was originally isolated from Agelenopsis aperta spider venom, and was shown to be a selective blocker of CaV2.1 (P/Q type) channels1. However, the sensitivity depends on the auxiliary b subunit isoform2 and on the splice variant3. Therefore, the effective concentration varies between systems. In accordance, the toxin blocks presynaptic Ca2+ currents and synaptic transmission in a variety of synapses4,5. ω-Agatoxin IVA is widely used in electrophysiological measurements of cloned and native channels6,7. It is used to assess the role of CaV2.1 channels in synaptic transmission4. In addition, it was used to map the spatial distribution of CaV2.1 channels in mouse cerebellar and hippocampal brain slices8.
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Poids moléculaire
- ~6144 Da
Antigène
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