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HTS189M ChemiSCREEN™ Membrane Preparation Recombinant Human GPR103 / QRFP Neuropeptide Receptor

Human GPR103 / QRFP GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.

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Host Cell: Chem-1 Uni Prot Number: Q96P65 Entrez Gene Number: NM_198179
HTS189M
200 units  
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      Replacement Information

      Tableau de caractéristiques principal

      SpeciesHost CellsProtein Target
      Human Chem-1GPR103 / QRFP
      Description
      Catalogue NumberHTS189M
      Brand Family Chemicon®
      Trade Name
      • ChemiScreen
      • Chemicon
      DescriptionChemiSCREEN™ Membrane Preparation Recombinant Human GPR103 / QRFP Neuropeptide Receptor
      OverviewHuman GPR103
      Background InformationGPR103 is a Gq-coupled receptor that is located in the brain and adrenal gland, and is activated by a 43-amino acid RFamide peptide, QRFP43, and a 26 amino acid fragment, QRFP26/26RFa/Peptide 518 (Jiang et al., 2003; Fukusumi et al., 2003). QRFP43 is the active form in rat brain, and intracerebral administration of QRFP43 induces feeding and metabolic rate (Takayasu et al., 2006; Moriya et al., 2006). Millipore's GPR103 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 GPR103. The membrane preparations exhibit a Kd of 0.63nM for [125I]-QRFP43. With 10 μg/well GPR103 Membrane Prep and 0.35 nM [125I]- QRFP43, a greater than 6-fold signal-to-background ratio was obtained.
      References
      Product Information
      FormatMembranes
      PresentationLiquid in packaging buffer: 50 mM Tris pH 7.4, 10% glycerol and 1% BSA with no preservatives.
      Packaging method: Membrane protein was adjusted to the indicated concentration in packaging buffer, rapidly frozen, and stored at -80°C.
      Quality LevelMQ100
      Applications
      ApplicationHuman GPR103 / QRFP 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
      Gene Symbol
      • QRFPR
      • GPR103
      • hCG_1778361
      GPCR ClassA
      Host CellsChem-1
      Protein TargetGPR103 / QRFP
      Target Sub-FamilyPeptide P518
      UniProt Number
      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 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]QRFP43 (Perkin Elmer # NEX408)

      Wash Buffer: 50 mM Hepes, pH 7.4, 500mM NaCl , 0.1% BSA, filtered and stored at 4°C.

      One package contains enough membranes for at least 200 assays (units), where an unit is the amount of membrane that will yield greater than 6-fold signal:background with 125I-labeled QRFP43 at 0.35 nM.
      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 GPR103 membrane prep.
      Product Usage Statements
      10 µg/well
      Signal:Background 10
      Specific Binding (cpm) 4217


      SPECIFICATIONS: 1 unit = 10 µg
      Bmax: 0.81 pmol/mg
      Kd: 0.63 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
      Référence GTIN
      HTS189M 04053252741470

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      Produits associés classés par : Brand Facete

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      Catégories

      Life Science Research > Drug Discovery and Development > GPCR Cell Lines & Assays > GPCR Membrane Preparations
      Life Science Research > Proteins and Enzymes > GPCR Membrane Preparations