HTS040M
ChemiSCREEN Membrane Preparation Recombinant Human NOP Opioid Receptor
Human NOP / ORL1 / OP4 GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.
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About This Item
Polecane produkty
Opis ogólny
Full-length human OPRL1 cDNA encoding NOP
The NOP receptor (also known as ORL1) is related to the opioid receptor family of GPCRs but does not bind to classical opioids. An endogenous ligand for NOP has been characterized and termed orphanin FQ or nociceptin (OFQ/N), which in turn does not bind to other members of the opioid receptor family. NOP is expressed widely in the CNS, and binding of OFQ/N to NOP1 appears to function in nociception, locomotor activity, anxiety, reward, memory and tolerance to classical opioids (Mogil and Pasternak, 2001). Millipore′s NOP membrane preparations are crude membrane preparations made from our proprietary stable recombinant cell lines to ensure high-level of GPCR surface expression; thus, they are ideal HTS tools for screening of agonists and antagonists of NOP. The membrane preparations exhibit a Kd of 0.06 nM for [125II]-Nociceptin. With 0.1 nM [125I]-Nociceptin, 5μg/well NOP Membrane Prep typically yields greater than 10-fold signal-to-background ratio.
Zastosowanie
Radioligand binding assay and GTPγS binding
Działania biochem./fizjol.
GPCR Class: A
Protein Target: NOP / ORL1 / OP4
Target Sub-Family: Opioid
Jakość
Table 1. Signal:background and specific binding values obtained in a competition binding assay with NOP Receptor membrane prep.
SPECIFICATIONS: 1 unit = 5 µg
Bmax for [125I]-Nociceptin binding: 1.1 pmol/mg protein
Kd for [125I]-Nociceptin binding: ~0.06 nM
5 µg/well | |
---|---|
Signal:Background | 23.8 |
Specific Binding (cpm) | 6656 |
SPECIFICATIONS: 1 unit = 5 µg
Bmax for [125I]-Nociceptin binding: 1.1 pmol/mg protein
Kd for [125I]-Nociceptin binding: ~0.06 nM
Charakterystyka techniczna
Inucbation Conditions
Membranes are mixed with radioactive ligand and unlabeled competitor (see Figures 1 and 2 for concentrations tested) in binding buffer in a nonbinding 96-well plate, and incubated for 1-2 h. Prior to filtration, an FC 96-well harvest plate (Millipore cat. # MAHF C1H) is coated with 0.33% polyethyleneimine for 30 min, then washed with 50 mM Tris-HCl, pH 7.4. Binding reaction is transferred to the filter plate, and washed 3 times (1 mL per well per wash) with Wash Buffer. The plate is dried and counted.
Binding buffer: 50 mM Tris-HCl, pH 7.4 filtered and stored at 4°C
Radioligand: [125I]-Nociceptin. (Perkin Elmer#:NEX-324 )
Wash Buffer: 50 mM Hepes, pH 7.4, 500 mM NaCl , 0.1% BSA, filtered and stored at 4°C.
One package contains enough membranes for at least 200 assays (units), where a unit is the amount of membrane that will yield greater than 10-fold signal:background with 125I labeled Nociceptin
Membranes are mixed with radioactive ligand and unlabeled competitor (see Figures 1 and 2 for concentrations tested) in binding buffer in a nonbinding 96-well plate, and incubated for 1-2 h. Prior to filtration, an FC 96-well harvest plate (Millipore cat. # MAHF C1H) is coated with 0.33% polyethyleneimine for 30 min, then washed with 50 mM Tris-HCl, pH 7.4. Binding reaction is transferred to the filter plate, and washed 3 times (1 mL per well per wash) with Wash Buffer. The plate is dried and counted.
Binding buffer: 50 mM Tris-HCl, pH 7.4 filtered and stored at 4°C
Radioligand: [125I]-Nociceptin. (Perkin Elmer#:NEX-324 )
Wash Buffer: 50 mM Hepes, pH 7.4, 500 mM NaCl , 0.1% BSA, filtered and stored at 4°C.
One package contains enough membranes for at least 200 assays (units), where a unit is the amount of membrane that will yield greater than 10-fold signal:background with 125I labeled Nociceptin
Postać fizyczna
Liquid in packaging buffer: 50 mM Tris pH 7.4, 10% glycerol and 1% BSA with no preservatives.
Packaging method: Membranes protein were adjusted to the indicated concentration in 1 ml packaging buffer, rapidly frozen, and stored at -80°C
Packaging method: Membranes protein were adjusted to the indicated concentration in 1 ml packaging buffer, rapidly frozen, and stored at -80°C
Przechowywanie i stabilność
Maintain frozen at –70°C up to the expiration date indicated on the product label. Do not freeze and thaw.
Informacje prawne
CHEMICON is a registered trademark of Merck KGaA, Darmstadt, Germany
Oświadczenie o zrzeczeniu się odpowiedzialności
Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
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Kod klasy składowania
12 - Non Combustible Liquids
Klasa zagrożenia wodnego (WGK)
WGK 2
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
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