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merck millipore,默克密理博,HTS115M,ChemiSCREEN™ Membrane Preparation Recombinant Human M2 Muscarinic Acetylcholine Receptor
产品名称：ChemiSCREEN™ Membrane Preparation Recombinant Human M2 Muscarinic Acetylcholine Receptor
产品型号：HTS115M
Human M2 GPCR membrane prepation for Radioligand binding Assays.
merck millipore,默克密理博,HTS115M,ChemiSCREEN™ Membrane Preparation Recombinant Human M2 Muscarinic Acetylcholine Receptor
- 产品介绍
- merck millipore,默克密理博,HTS115M,ChemiSCREEN™ Membrane Preparation Recombinant Human M2 Muscarinic Acetylcholine Receptor
重要规格表
品种 宿主细胞 蛋白靶 Human Chem-1 M2 描述 产品目录编号 HTS115M 品牌系列 Chemicon®
商名 - Chemicon
- ChemiScreen
描述 ChemiSCREEN™ Membrane Preparation Recombinant Human M2 Muscarinic Acetylcholine Receptor 概述 Full-length human CHRM2 cDNA encoding M2 Alternate Names - mAChR2
背景信息 The muscarinic acetylcholine receptor (mAChR) family consists of five GPCRs that mediate some of the neurotransmission functions of acetylcholine in the CNS and the periphery. The M1, M3 and M5 receptors couple to Gq to mobilize intracellular calcium, whereas the M2 and M4 receptors couple to Gi/o to inhibit cAMP production (Caulfield and Birdsall, 1998). In urinary bladder trachea and stomach, M2 augments the function of M3 in promoting contractility, and activation of M2 serves to counteract relaxation induced by increased cAMP levels (Ehlert et al., 2005; Wess, 2004). In addition, the ability of mAChR agonists to decrease heart rate appears to be mediated primarily by M2. Agonists of mAChRs induce tremor, hypothermia, corticosterone release, and analgesia; each of these functions is mediated at least in part by M2 (Wess, 2004). Chemicon's M2 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 M2 interactions with its ligands. The membrane preparations exhibit a Kd of 0.24 nM for [3H]-Scopolamine methyl chloride (NMS). With 10 µg/well M2 Membrane Prep and 0.5 nM [3H]-NMS, greater than 3-fold signal-to-background ratio was obtained. 产品信息 演示 Liquid in packaging buffer: 50 mM Tris pH 7.4, 10% glycerol and 1% BSA no preservatives.
Packaging method: Membranes protein was adjusted to the indicated concentration in packaging buffer, rapidly frozen, and stored at -80oC.应用 应用 Human M2 GPCR membrane prepation for Radioligand binding Assays. 生物信息 品种 Human Entrez基因编号 - NM_001006632.1
- NM_000739.2
- NM_001006626.1
- NM_001006627.1
- NM_001006628.1
- NM_001006629.1
- NM_001006630.1
- NM_001006631.1
Entrez基因汇总 The muscarinic cholinergic receptors belong to a larger family of G protein-coupled receptors. The functional diversity of these receptors is defined by the binding of acetylcholine to these receptors and includes cellular responses such as adenylate cyclase inhibition, phosphoinositide degeneration, and potassium channel mediation. Muscarinic receptors influence many effects of acetylcholine in the central and peripheral nervous system. The muscarinic cholinergic receptor 2 is involved in mediation of bradycardia and a decrease in cardiac contractility. Multiple alternatively spliced transcript variants have been described for this gene. 基因符号 - HM2
- CHRM2
- MGC120006
- FLJ43243
- MGC120007
GPCR类别 A 宿主细胞 Chem-1 蛋白靶 M2 靶子系列 Acetylcholine (muscarinic) UniProt编号 - P08172
UniProt汇总 FUNCTION: SwissProt: P08172 # The muscarinic acetylcholine receptor mediates various cellular responses, including inhibition of adenylate cyclase, breakdown of phosphoinositides and modulation of potassium channels through the action of G proteins. Primary transducing effect is adenylate cyclase inhibition.
SIZE: 466 amino acids; 51715 Da
SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein.
SIMILARITY: SwissProt: P08172 ## Belongs to the G-protein coupled receptor 1 family.孵化条件 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 4mM Na2HPO4, 1mM KH2PO4, pH7.4. 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 and Wash buffer: 4mM Na2HPO4, 1mM KH2PO4, pH7.4, filtered and stored at 4°C Radioligand: [3H] NMS (Perkin Elmer#:NEX-636 ) One package contains enough membranes for at least 200 assays (units), where a unit is the amount of membrane that will yield greater than 3-fold signal:background with 3H-labeled NMS at 0.5 nM 产品使用声明 质量保证 Table 1. Signal:background and specific binding values obtained in a competition binding assay with M2 membrane prep and unlabeled Atropine.
SPECIFICATIONS: 1 unit = 10 µg10 µg/well Signal:Background 3.2 Specific Binding (cpm) 606.8
Bmax for [3H]-NMS binding: 0.5 pmol/mg protein
Kd for [3H]-NMS binding: ~0.24 nM使用声明 - 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.
储存和货运信息 存储条件 Maintain frozen at -70°C for up to 2 years. Do not freeze and thaw. 包装信息 数量 200 units
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