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HTS184M ChemiSCREEN™ Membrane Preparation Recombinant Human CCK1 Cholecystokinin Receptor

Human CCK1 / CCKa GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.

ChemiSCREEN™ Membrane Preparation Recombinant Human CCK1 Cholecystokinin Receptor: のSDS（安全データシート）、CoA（試験成績書）およびCoQ（品質証明書）、カタログなど製品関連の技術資料を入手いただけます。
Host Cell: Chem-1 Uni Prot Number: P32238 Entrez Gene Number: NM_000730.2
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HTS184M
200 units  
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      概要

      Replacement Information

      主要スペック表

      SpeciesHost CellsProtein Target
      Human Chem-1CCK1 / CCKa
      Description
      Catalogue NumberHTS184M
      Brand Family Chemicon®
      Trade Name
      • ChemiScreen
      • Chemicon
      DescriptionChemiSCREEN™ Membrane Preparation Recombinant Human CCK1 Cholecystokinin Receptor
      OverviewHuman CCK1 Receptor
      Background InformationCholecystokinins are a series of peptides of heterogeneous length (5 to 58 amino acids) that are derived from preprocholecystokinin and are found in gastrointestinal tissues and the central nervous system. Gastrin is a related peptide with 5 C-terminal amino acids identical to those of cholecystokinin. Two GPCRs, CCK1 (CCKA) and CCK2 (CCKB), bind to CCK and/or gastrin to mediate the biological effects of the peptides. CCK1 selectively binds sulfated CCK, whereas CCK2 binds to CCK and gastrin with similar affinity. Binding of ligands to CCK1 stimulates mobilization of intracellular calcium by activation of Gq/11. CCK1 receptors in the periphery are primarily localized in the pancreas, gallbladder, pylorus, intestine where they are responsible for the regulation of diverse digestive processes. They are also present in select areas of the peripheral nervous system (vagus nerve), and the CNS where they mediate the satiety effects of CCK, regulate an increase in dopamine release, and antagonize opioid analgesia (Noble et al., 1999). Chemicon's CCK1 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 CCK1 interactions and its ligands. The membrane preparations exhibit a Kd of 0.5 nM for [125I]-CCK-8 sulfated. With 10.0ug/well CCK1 membrane prep and 0.5 nM [125I]-CCK-8 sulfated, a greater than 4-fold signal-to-background ratio was obtained.
      References
      Product Information
      FormatMembranes
      PresentationOne package contains enough membranes for at least 200 assays (units), where an unit is the amount of membrane that will yield greater than 4-fold signal:background with 125I-labeled CCK-8 at 0.5 nM.

      Liquid in packaging buffer: 50 mM Tris, pH 7.4, 10% glycerol with no preservatives.
      Packaging method: Membranes protein was adjusted to the indicated concentration in packaging buffer, rapidly frozen, and stored at -80oC.
      Quality LevelMQ100
      Applications
      ApplicationHuman CCK1 / CCKa GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.
      Key Applications
      • Radioligand binding assay
      • GTPγS binding
      Application NotesRadioligand binding assay and GTPγS binding
      Biological Information
      Entrez Gene Number
      Entrez Gene SummaryThis gene encodes a G-protein coupled receptor that binds non-sulfated members of the cholecystokinin (CCK) family of peptide hormones. This receptor is a major physiologic mediator of pancreatic enzyme secretion and smooth muscle contraction of the gallbladder and stomach. In the central and peripheral nervous system this receptor regulates satiety and the release of beta-endorphin and dopamine.
      Gene Symbol
      • CCKAR
      • CCK1-R
      • CCK-AR
      • CCKRA
      • CCK-A
      GPCR ClassA
      Host CellsChem-1
      Protein TargetCCK1 / CCKa
      Target Sub-FamilyCholecystokinin
      UniProt Number
      UniProt SummaryFUNCTION: SwissProt: P32238 # Receptor for cholecystokinin. Mediates pancreatic growth and enzyme secretion, smooth muscle contraction of the gall bladder and stomach. Has a 1000-fold higher affinity for CCK rather than for gastrin. It modulates feeding and dopamine-induced behavior in the central and peripheral nervous system. This receptor mediates its action by association with G proteins that activate a phosphatidylinositol-calcium second messenger system.
      SIZE: 428 amino acids; 47841 Da
      SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein.
      SIMILARITY: SwissProt: P32238 ## Belongs to the G-protein coupled receptor 1 family.
      Incubation ConditionsMembranes 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 blocked 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.
      Note: Due to the acidic property of the labeled sulfated CCK-8, filter plates coated with PEI bind the labeled ligand nonspecifically and result in elevated backgrounds.

      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] -CCK-8 sulfated (Perkin Elmer # NEX203)
      Wash Buffer: 50 mM Hepes, pH 7.4, 500mM NaCl, 0.1% BSA, filtered and stored at 4°C.
      Physicochemical Information
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Table 1. Signal:background and specific binding values obtained in a competition binding assay with varying amounts of CCK1 Receptor membrane prep.
      Product Usage Statements
      10 µg/well 5 µg/well
      Signal:Background 5.31 6.16
      Specific Binding (cpm) 1274.9 1691.4
      SPECIFICATIONS: 1 unit = 10 µg membrane preparation
      Bmax: 0.15 pmol/mg
      Kd: 0.5 nM Usage Statement
      • 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.
      Storage and Shipping Information
      Storage ConditionsMaintain frozen at -70°C for up to 2 years. Do not freeze and thaw.
      Packaging Information
      Material Size200 units
      Transport Information
      Supplemental Information
      Specifications
      Global Trade Item Number
      カタログ番号 GTIN
      HTS184M 04053252324000

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      Life Science Research > Drug Discovery and Development > GPCR Cell Lines & Assays > GPCR Membrane Preparations
      Life Science Research > タンパク質と酵素 > GPCR Membrane Preparations