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merck millipore,默克密理博,HTS125M,ChemiScreen™ Membrane Preparation Recombinant Human SST4 SOMATOSTATIN RECEPTOR
产品名称：ChemiScreen™ Membrane Preparation Recombinant Human SST4 SOMATOSTATIN RECEPTOR
产品型号：HTS125M
Human sst4 GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.
merck millipore,默克密理博,HTS125M,ChemiScreen™ Membrane Preparation Recombinant Human SST4 SOMATOSTATIN RECEPTOR
- 产品介绍
- merck millipore,默克密理博,HTS125M,ChemiScreen™ Membrane Preparation Recombinant Human SST4 SOMATOSTATIN RECEPTOR
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-1 sst4 描述 产品目录编号 HTS125M 品牌系列 Chemicon®
商名 - Chemicon
- ChemiScreen
描述 ChemiScreen™ Membrane Preparation
Recombinant Human SST4 SOMATOSTATIN RECEPTOR概述 Human SSTR4 encoding SST4 背景信息 Somatostatin is a 14 or 28 amino acid regulatory peptide that inhibits hormone secretion from the pituitary, pancreas, and other endocrine sites. A family of 6 GPCRs, sst1, sst2A, sst2B, sst3, sst4 and sst5, mediate the biological activity of somatostatins. The somatostatin receptors couple to Gi to inhibit cAMP production, and also increase MAP kinase signalling. Several tumors have been shown to overexpress somatostatin receptors, and binding of somatostatin to these tumor cells stimulates or inhibits proliferation, depending on the receptor subtypes expressed (Olias et al., 2004). Somatostatin has been implicated in seizure susceptibility in animal models, and activation of sst4 with selective agonists increases seizure activity (Moneta et al., 2002). Chemicon's SST4 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 antagonists of SST4 interactions with somatostatin. The membrane preparations exhibit a Kd of 1.78 nM for [125I]-Somatostatin 14. With 5 ug/well SST4 Membrane Prep and 1 nM [125I]-Somatostatin 14, a greater than 20-fold signal-to-background ratio was obtained. 产品信息 演示 One package contains enough membranes for at least 200 assays (units), where an unit is the amount of membrane that will yield greater than 20-fold signal:background with 125I-labeled somatostatin 14 at 1 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 the indicated concentration in packaging buffer, rapidly frozen, and stored at -80°C. 应用 应用 Human sst4 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 Only Entrez基因编号 - NM_001052.2
Entrez基因汇总 Somatostatin acts at many sites to inhibit the release of many hormones and other secretory proteins. The biologic effects of somatostatin are probably mediated by a family of G protein-coupled receptors that are expressed in a tissue-specific manner. SSTR4 is a member of the superfamily of receptors having seven transmembrane segments and is expressed in highest levels in fetal and adult brain and lung. 基因符号 - SS4R
- SSTR4
GPCR类别 A 宿主细胞 Chem-1 蛋白靶 sst4 靶子系列 Somatostatin UniProt编号 - P31391
UniProt汇总 FUNCTION: SwissProt: P31391 # Receptor for somatostatin-14. The activity of this receptor is mediated by G proteins which inhibits adenylyl cyclase. It is functionally coupled not only to inhibition of adenylate cyclase, but also to activation of both arachidonate release and mitogen-activated protein (MAP) kinase cascade. Mediates antiproliferative action of somatostatin in tumor cells.
SIZE: 388 amino acids; 41895 Da
SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein.
TISSUE SPECIFICITY: Specifically expressed in fetal and adult brain, lung tissue, stomach, and in lesser quantities in the kidney, pituitary and adrenals.
SIMILARITY: SwissProt: P31391 ## 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, a GF/C 96-well filter plate is coated with 0.33% polyethyleneimine for 30 min, then washed with 50 mM 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]-Somatostatin 14 (Perkin Elmer # NEX389)
Wash Buffer: 50 mM Hepes, pH 7.4, 500 mM NaCl , 0.1% BSA, filtered and stored at 4°C.产品使用声明 质量保证 SPECIFICATIONS: 1 unit = 5 μg membrane preparation
Bmax: 28.2 pmol/mg
Kd: 1.78 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 2 mL 包装 200 units
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