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HTS116M ChemiSCREEN™ Human M3 Muscarinic Acetylcholine Receptor Membrane Preparation

Human M3 GPCR membrane preparation for Radioligand binding Assays & GTPγS binding.

ChemiSCREEN™ Human M3 Muscarinic Acetylcholine Receptor Membrane Preparation MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
Host Cell: Chem-1 Uni Prot Number: P20309 Entrez Gene Number: NM_000740.2
HTS116M
200 units  
Purchase on Sigma-Aldrich

Przegląd

Replacement Information

Tabela kluczowych gatunków

SpeciesHost CellsProtein Target
Human Chem-1M3
Description
Catalogue NumberHTS116M
Brand Family Chemicon®
Trade Name
  • ChemiScreen
  • Chemicon
DescriptionChemiSCREEN™ Human M3 Muscarinic Acetylcholine Receptor Membrane Preparation
OverviewFull-length human CHRM3 cDNA encoding M3
Background InformationThe muscarinic acetylcholine receptor (mAChR) family consists of five GPCRs that mediate some of the neurotransmission functions of acetylcholine in the CNS and the periphery. The M1, M3 and M5 receptors couple to Gq to mobilize intracellular calcium, whereas the M2 and M4 receptors couple to Gi/o to inhibit cAMP production (Caulfield and Birdsall, 1998). M3 is expressed prominently in smooth muscle, and plays a primary role in mediating mAChR agonist-induced contractility. Mice lacking M3 have dilated pupils, which indicates a role for M3 in regulating tone of the pupillary sphincter muscle. In addition, Msub3 plays a role in feeding, as indicated by the lean and hypophagic phenotype of M3-null mice (Wess, 2004). Chemicon's M3 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 M3 interactions with 4-DAMP. The membrane preparations exhibit a Kd of 0.72-1 nM for [3H]-4-DAMP. With 10 µg/well M3 Membrane Prep and 0.75 nM [3H]-4-DAMP, a greater than 4-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 no preservatives.
Packaging method: Membranes protein were adjusted to 0.5 mg/ml in 1 mL packaging buffer, rapidly frozen, and stored at -80°C.
Quality LevelMQ100
Applications
ApplicationHuman M3 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 SummaryThe muscarinic cholinergic receptors belong to a larger family of G protein-coupled receptors. The functional diversity of these receptors is defined by the binding of acetylcholine and includes cellular responses such as adenylate cyclase inhibition, phosphoinositide degeneration, and potassium channel mediation. Muscarinic receptors influence many effects of acetylcholine in the central and peripheral nervous system. The muscarinic cholinergic receptor 3 controls smooth muscle contraction and its stimulation causes secretion of glandular tissue.
Gene Symbol
  • CHRM3
  • HM3
GPCR ClassA
Host CellsChem-1
Protein TargetM3
Target Sub-FamilyAcetylcholine (muscarinic)
UniProt Number
UniProt SummaryFUNCTION: SwissProt: P20309 # The muscarinic acetylcholine receptor mediates various cellular responses, including inhibition of adenylate cyclase, breakdown of phosphoinositides and modulation of potassium channels through the action of G proteins. Primary transducing effect is Pi turnover.
SIZE: 590 amino acids; 66128 Da
SUBCELLULAR LOCATION: Basolateral cell membrane; Multi-pass membrane protein.
SIMILARITY: SwissProt: P20309 ## 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, a GF/C 96-well filter plate 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: [3H]-4-DAMP (Perkin Elmer#:NET1040 )
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 a unit is the amount of membrane that will yield greater than 4-fold signal:background with 3H labeled 4-DAMP at 0.75 nM
Physicochemical Information
Dimensions
Materials Information
Toxicological Information
Safety Information according to GHS
Safety Information


Signal:background and specific binding values obtained in a competition binding assay with varying amounts of M3 membrane prep:
Product Usage Statements
20 µg/well 10 µg/well
Signal:Background 5.17 5.10
Specific Binding (cpm) 1224 1030


SPECIFICATIONS: 1 unit = 10 µg
Bmax: 3.75 pmol/mg
Kd: 0.86 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
Numer katalogowy GTIN
HTS116M 04053252678844

Documentation

ChemiSCREEN™ Human M3 Muscarinic Acetylcholine Receptor Membrane Preparation MSDS

Title

Safety Data Sheet (SDS) 

ChemiSCREEN™ Human M3 Muscarinic Acetylcholine Receptor Membrane Preparation Certificates of Analysis

TitleLot Number
CHEMISCREENTM MEMBRANE PREPARATION RECOMBINANT HUMAN M3 SOMATOSTATIN RECEPTOR - 2165786 2165786
CHEMISCREENTM MEMBRANE PREPARATION RECOMBINANT HUMAN M3 SOMATOSTATIN RECEPTOR - 2250867 2250867

References

Reference overviewPub Med ID
Muscarinic acetylcholine receptor knockout mice: novel phenotypes and clinical implications.
Wess, Jürgen
Annu. Rev. Pharmacol. Toxicol., 44: 423-50 (2004)  2004

Pokaż streszczenie 		14744253 14744253
International Union of Pharmacology. XVII. Classification of muscarinic acetylcholine receptors
Caulfield, M P and Birdsall, N J
Pharmacol Rev, 50:279-90 (1998)  1998

9647869 9647869

Data Sheet

Title
CHEMISCREENTM MEMBRANE PREPARATION RECOMBINANT HUMAN M3 SOMATOSTATIN RECEPTOR

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Life Science Research > Proteins and Enzymes > GPCR Membrane Preparations