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HTS206M ChemiSCREEN™ Membrane Preparation Recombinant Human MrgD Mas-Related Gene Family Receptor

Human MRGPRD / MrgD GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.

MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
Host Cell: Chem-1 Uni Prot Number: Q8TDS7 Entrez Gene Number: NM_198923.2
HTS206M
200 units  
Purchase on Sigma-Aldrich

Overview

Replacement Information

Key Spec Table

SpeciesHost CellsProtein Target
Human Chem-1MRGPRD / MrgD
Description
Catalogue NumberHTS206M
Trade Name
  • ChemiScreen
  • Chemicon
DescriptionChemiSCREEN™ Membrane Preparation Recombinant Human MrgD Mas-Related Gene Family Receptor
OverviewFull-length human MRGPRD cDNA encoding MrgD
Background InformationThe Mas-related genes (Mrgs), also known as sensory neuron-specific G-protein coupled receptors (SNSRs), are selectively expressed in subpopulations of sensory neurons involved in the perceptor of pain (Dong et al., 2001). The Mrg family in rodents consists of 50 receptors in the MrgA-MrgH subfamilies, but humans contain fewer Mrg members. MrgD (also known as TGR7) is found across species from rodents to humans, and its expression is restricted to nonpeptidergic, small-diameter, IB4+ dorsal root ganglion (DRG) neurons. MrgD binds β-alanine, but not L-alanine, which results in increased intracellular calcium and the suppression of forskolin-induced cAMP production, thus suggesting coupling to Gq and Gi proteins (Shinohara et al., 2004). β-alanine-induced activation of MrgD inhibits KCNQ2/3-mediated M-currents in cells overexpressing MrgD and KCNQ2/3 and also in cultured DRG neurons, which indicates that MrgD enhances nociceptive signaling (Crozier et al., 2007). Millipore's MrgD 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 MrgD interactions with its ligands. The cell line exhibits a calcium response with EC50s of 11 µM for β-alanine. The membrane preparations exhibit EC50s of 69 µM for β-alanine in a GTPS binding assay.
References
Product Information
FormatMembranes
HS Code3822 19 90
PresentationLiquid in packaging buffer: 50 mM Tris pH 7.4, 10% glycerol and 1% BSA no preservatives.
Packaging method: Membranes protein were adjusted to 1 mg/ml in 1 ml packaging buffer, rapidly frozen, and stored at -80°C
Quality LevelMQ100
Applications
ApplicationHuman MRGPRD / MrgD 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
  • MRGPRD
  • MRGD
  • mrgD
  • TGR7
GPCR ClassA
Host CellsChem-1
Protein TargetMRGPRD / MrgD
Target Sub-FamilyMas-related gene
UniProt Number
UniProt SummaryFUNCTION: SwissProt: Q8TDS7 # May regulate nociceptor function and/or development, including the sensation or modulation of pain. Functions as a specific membrane receptor for beta-alanine. Beta-alanine at micromolar doses specifically evoked Ca(2+) influx in cells expressing the receptor. Beta-alanine decreases forskolin- stimulated cAMP production in cells expressing the receptor, suggesting that the receptor couples with G-protein G(q) and G(i).
SIZE: 321 amino acids; 36118 Da
SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein. Note=Localized at the plasma membrane but internalized into the cytoplasm after treatment with beta-alanine.
SIMILARITY: SwissProt: Q8TDS7 ## Belongs to the G-protein coupled receptor 1 family. Mas subfamily.
Incubation ConditionsASSAY CONDITIONS: Membranes are permeabilized by addition of saponin to an equal concentration by mass, then mixed with [35S]-GTPγS (final concentration of 0.3 nM) in 20 mM HEPES, pH 7.4/100 mM NaCl/10 mM MgCl2/0.5 μM GDP in a nonbinding 96-well plate. Unlabeled β-alanine was added to the final concentration indicated in Figure 1 (final volume 100 μL), and incubated for 30 min at 30°C. The binding reaction is transferred to a GF/B filter plate (Millipore MAHF B1H) previously prewetted with water. The plate is washed 3 times (1 mL per well per wash) with cold 10 mM sodium phosphate, pH 7.4, then dried and counted.

One vial contains enough membranes for at least 200 assays (units), where one unit is the amount of membrane that will yield greater than 1000 cpm specific β-alanine -stimulated [35S]-GTPγS binding.

The MrgD membrane preparation is expected to be functional in a radioligand binding assay; however, the end user will need to determine the optimal radiolabeled ligand for use with this product.
Physicochemical Information
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Safety Information
Product Usage Statements
Quality AssuranceSPECIFICATIONS: 1 unit = 5 µg membrane preparation
EC50 in GTPγS binding assay by β-alanine: ~ 69 μM
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
Catalogue Number GTIN
HTS206M 04053252512186

Documentation

ChemiSCREEN™ Membrane Preparation Recombinant Human MrgD Mas-Related Gene Family Receptor SDS

Title

Safety Data Sheet (SDS) 

References

Reference overviewPub Med ID
MrgD activation inhibits KCNQ/M-currents and contributes to enhanced neuronal excitability.
Crozier, Robert A, et al.
J. Neurosci., 27: 4492-6 (2007)  2007

17442834 17442834
Identification of a G protein-coupled receptor specifically responsive to beta-alanine.
Shinohara, Tokuyuki, et al.
J. Biol. Chem., 279: 23559-64 (2004)  2004

15037633 15037633
A diverse family of GPCRs expressed in specific subsets of nociceptive sensory neurons.
Dong, X, et al.
Cell, 106: 619-32 (2001)  2001

11551509 11551509

Data Sheet

Title
CHEMISCREENTM MEMBRANE PREPARATION RECOMBINANT HUMAN MrgD Mas-RELATED GENE FAMILY RECEPTOR

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