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merck millipore,默克密理博,HTS086M,ChemiSCREEN™ Human H2 Histamine Receptor Membrane Preparation
产品名称：ChemiSCREEN™ Human H2 Histamine Receptor Membrane Preparation
产品型号：HTS086M
Human H2 GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.
merck millipore,默克密理博,HTS086M,ChemiSCREEN™ Human H2 Histamine Receptor Membrane Preparation
- 产品介绍
重要规格表
应用说明 品种 宿主细胞 蛋白靶 Radioligand binding assay and GTPγS binding. Human Chem-2 H2 描述 产品目录编号 HTS086M 品牌系列 Chemicon®
商名 - Chemicon
- ChemiScreen
描述 ChemiSCREEN™ Human H2 Histamine Receptor Membrane Preparation 概述 Full-length human HRH2 cDNA encoding H2 背景信息 The histamine H2 receptor is a widely distributed G-protein coupled receptor, which is important in regulating a host of physiologic actions extending from gastric acid secretion to gastrointestinal motility (Del Valle and Gantz, 1997). Histamine mediated activation of its receptor leads to signaling through both adenylate cyclase and phosphoinositide /protein kinase C second messenger systems (Hill, 1990). Antagonists for this receptor have proven to be effective therapy for acid peptic disorders of the GI tract. Certain antagonists are used in the treatment of neuropsychiatric and neurological diseases e.g. schizophrenia, Alzheimer's disease and Parkinson's disease. Chemicon's H2 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 at H2. The membrane preparations exhibit a Kd of 0.8 nM for [125I]-Iodoaminopotentidine. With 0.65 nM [125I]-Iodoaminopotentidine, 10 µg/well H2 Membrane Prep typically yields greater than 7-fold signal-to-background ratio. 产品信息 演示 One package contains enough membranes for at least 200 assays (units), where a unit is the amount of membrane that will yield greater than 7-fold signal:background with 125I-labeled Iodoaminopotentidine at 0.65 nM
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 1 mg/mL in packaging buffer, and dispensed at 1 mL/vial. Vials were rapidly frozen, and stored at -80oC.应用 应用 Human H2 GPCR membrane preparation for Radioligand binding Assays & GTPγS binding. 应用说明 Radioligand binding assay and GTPγS binding. 生物信息 品种 Human 品种反应性 Human Entrez基因编号 - NM_022304.1
Entrez基因汇总 Histamine is a ubiquitous messenger molecule released from mast cells, enterochromaffin-like cells, and neurons. Its various actions are mediated by histamine receptors H1, H2, H3 and H4. Histamine receptor H2 belongs to the family 1 of G protein-coupled receptors. It is an integral membrane protein and stimulates gastric acid secretion. It also regulates gastrointestinal motility and intestinal secretion and is thought to be involved in regulating cell growth and differentiation. 基因符号 - H2R
- HRH2
- DDX15
- DBP1
GPCR类别 A 宿主细胞 Chem-2 蛋白靶 H2 靶子系列 Histamine UniProt编号 - P25021
UniProt汇总 FUNCTION: SwissProt: P25021 # The H2 subclass of histamine receptors mediates gastric acid secretion. Also appears to regulate gastrointestinal motility and intestinal secretion. Possible role in regulating cell growth and differentiation. The activity of this receptor is mediated by G proteins which activate adenylyl cyclase and, through a separate G protein-dependent mechanism, the phosphoinositide/protein kinase (PKC) signaling pathway (By similarity).
SIZE: 359 amino acids; 40098 Da
SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein.
SIMILARITY: SwissProt: P25021 ## Belongs to the G-protein coupled receptor 1 family.
MISCELLANEOUS: Antagonists for this receptor have proven to be effective therapy for acid peptic disorders of the gastrointestinal tract. Certain antagonists are used in the treatment of neuropsychiatric and neurological diseases such as schizophrenia, Alzheimer disease and Parkinson disease.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 50mM HEPES, pH 7.4, 0.5% BSA. 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 Hepes, pH 7.4, 5 mM MgCl2, 1 mM CaCl2, 0.2% BSA, filtered and stored at 4°C
Radioligand: [125I] Iodoaminopotentidine (Amersham#: IM264)
Wash Buffer: 50 mM Hepes, pH 7.4, 500mM NaCl , 0.1% BSA, filtered and stored at 4°C.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 H2 membrane prep and unlabeled tiotidine.
10 µg/well Signal:Background 11.68 Specific Binding (cpm) 4152
SPECIFICATIONS: 1 unit = 10 µg
Bmax for [125I] Iodoaminopotentidine binding: 0.46 pmol/mg protein
Kd for [125I] Iodoaminopotentidine binding: ~0.8 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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