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Muscarinic Acetylcholine Receptor Antibodies

Muscarinic acetylcholine receptors (M1-M5) are activated by the endogenous agonist acetylcholine. All five M receptors have a widespread tissue distribution and are involved in the control of numerous central and peripheral physiological responses, as well as being a major drug target in human disease. Classically these receptors are sub-divided into two broad groups based on their primary coupling efficiency to G-proteins. M1, M3, and M5 preferentially couple to Gq/11 proteins, whilst M2 and M4 predominantly couple to pertusiss toxin-sensitive Gi/o proteins. Both agonists and antagonists of mAChRs are clinically approved drugs, including pilocarpine for the treatment of elevated intra-ocular pressure and glaucoma, and atropine for the treatment of bradycardia and poisoning by muscarinic agents such as organophosphates. Nevertheless, the orthosteric binding pocket of the muscarinic receptor family is highly conserved, making the development of subtype-specific agonists and antagonists very difficult. Attempts to generate novel muscarinic ligands have more recently centred on the development of allosteric regulators that act at non-conserved sites and therefore offer the prospect of subtype selectivity.

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NEW
Agonist-induced Threonine271 phosphorylation of the M2 Muscarinic Acetycholine Receptor
pT271-M2 (phospho-M2 Muscarinic Acetylcholine...
Threonine271 is a major phosphorylation site of the M2 Muscarinic Acetylcholine Receptor. The pT271-M2 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. T271 phosphorylation is a key...
$ 350.00
NEW
Agonist-induced Serine332/Serine333/Serine334 phosphorylation of the M3 Muscarinic Acetycholine Receptor.
pS332/pS333/pS334-M3 (phospho-M3 Muscarinic...
Serine332/Serine333/Serine334 is a major phosphorylation site of the M3 Muscarinic Acetylcholine Receptor. The pS332/pS333/pS334-M3 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation....
$ 350.00
NEW
Agonist-induced Serine359/Threonine361 phosphorylation of the M3 Muscarinic Acetylcholine Receptor
pS359/pT361-M3 (phospho-M3 Muscarinic...
Serine359/Threonine361 is a major phosphorylation site of the M3 Muscarinic Acetylcholine Receptor. The pS359/pT361-M3 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. S359/T361...
$ 350.00
NEW
Agonist-induced Serine385/Serine386 phosphorylation of the M3 Muscarinic Acetylcholine Receptor
pS385/pS386-M3 (phospho-M3 Muscarinic...
Serine385/Serine386 is a major phosphorylation site of the M3 Muscarinic Acetylcholine Receptor. The pS385/pS386-M3 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. S385/S386...
$ 350.00
NEW
Agonist-induced Serine296/Serine297 phosphorylation of the M4 Muscarinic Acetylcholine Receptor
pS296/pS297-M4 (phospho-M4 Muscarinic...
Serine296/Serine297 is a major phosphorylation site of the M4 Muscarinic Acetylcholine Receptor. The pS296/pS297-M4 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. S296/S297...
$ 350.00
NEW
Agonist-induced Serine282/Serine283 phosphorylation of the M2 Muscarinic Acetylcholine Receptor
pS282/pS283-M2 (phospho-M2 Muscarinic...
Serine282/Serine283 is a major phosphorylation site of the M2 Muscarinic Acetylcholine Receptor. The pS282/pS283-M2 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. S282/S283...
$ 350.00
NEW
Agonist-induced Serine286/Threonine287/Serine288 phosphorylation of the M2 Muscarinic Acetycholine Receptor
pS286/pT287/pS288-M2 (phospho-M2 Muscarinic...
Serine286/Threonine287/Serine288 is a major phosphorylation site of the M2 Muscarinic Acetylcholine Receptor. The pS286/pT287/pS288-M2 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation....
$ 350.00
NEW
Agonist-induced Threonine307/Serine309 phosphorylation of the M2 Muscarinic Acetylcholine Receptor
pT307/pS309-M2 (phospho-M2 Muscarinic...
Threonine307/Serine309 is a major phosphorylation site of the M2 Muscarinic Acetylcholine Receptor. The pT307/pS309-M2 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. T307/S309...
$ 350.00
NEW
Agonist-induced Threonine310/Serine311 phosphorylation of the M2 Muscarinic Acetycholine Receptor
pT310/pS311-M2 (phospho-M2 Muscarinic...
Threonine310/Serine311 is a major phosphorylation site of the M2 Muscarinic Acetylcholine Receptor. The pT310/pS311-M2 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. T310/S311...
$ 350.00
NEW
Agonist-induced Serine315/Serine320 phosphorylation of the M2 Muscarinic Acetycholine Receptor
pS315/pS320-M2 (phospho-M2 Muscarinic...
Serine315/Serine320 is a major phosphorylation site of the M2 Muscarinic Acetylcholine Receptor. The pS315/pS320-M2 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. S315/S320...
$ 350.00
NEW
Agonist-induced Serine298 phosphorylation of the M1 Muscarinic Acetylcholine Receptor
pS298-M1 (phospho-M1 Muscarinic Acetylcholine...
Serine298 is a major phosphorylation site of the M1 muscarinic acetylcholine receptor. The pS298-M1 antibody detects phosphorylation in response to high-efficacy agonists.
$ 350.00
NEW
Agonist-induced Threonine311/Serine314 phosphorylation of the M4 Muscarinic Acetylcholine Receptor
pT311/pS314-M4 (phospho-M4 Muscarinic...
Threonine311/Serine314 is a major phosphorylation site of the M4 Muscarinic Acetylcholine Receptor. The pT311/pS314-M4 antibody detects phosphorylation in response to high-efficacy agonists but not after PKC activation. T311/S314...
$ 350.00
NEW
Validation of the M3 Muscarinic Acetylcholine Receptor in transfected HEK293 cells
M3 (non-phospho-M3 Muscarinic Acetylcholine...
The non-phospho-M3 receptor antibody is directed against the distal part of the carboxyl-terminal tail of human M3 Muscarinic Acetylcholine Receptor (M3). It can be used to detect total M3 receptors in Western blots independent of...
$ 250.00
NEW
Validation of the M2 Muscarinic Acetylcholine Receptor in transfected HEK293 cells
M2 (non-phospho-M2 Muscarinic Acetylcholine...
The non-phospho-M2 receptor antibody is directed against the distal part of the carboxyl-terminal tail of human M2 Muscarinic Acetylcholine Receptor (M2). It can be used to detect total M2 receptors in Western blots independent of...
$ 250.00

For more information on muscarinic receptor pharmacology please refer to the IUPHAR database. For further reading refer to:

Caulfield MP, Birdsall NJ. International Union of Pharmacology. XVII. Classification of muscarinic acetylcholine receptors. Pharmacol Rev. 1998 Jun;50(2):279-90. PMID: 9647869.

Wess J, Eglen RM, Gautam D. Muscarinic acetylcholine receptors: mutant mice provide new insights for drug development. Nat Rev Drug Discov. 2007 Sep;6(9):721-33. doi: 10.1038/nrd2379. PMID: 17762886.

Birdsall NJM, Bradley S, Brown DA, Buckley NJ, Challiss RJ, Christopoulos A, Eglen RM, Ehlert F, Felder CC, Hammer R, Kilbinger HJ, Lambrecht G, Langmead C, Mitchelson F, Mutschler E, Nathanson NM, Schwarz RD, Thal D, Tobin AB, Valant C, Wess J. Acetylcholine receptors (muscarinic) in GtoPdb v.2021.3. IUPHAR/BPS Guide to Pharmacology CITE. 2021; 2021(3).

For more information on muscarinic receptor pharmacology please refer to the IUPHAR database. For further reading refer to: Caulfield MP, Birdsall NJ. International Union of Pharmacology.... read more »
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Muscarinic Acetylcholine Receptor Antibodies

For more information on muscarinic receptor pharmacology please refer to the IUPHAR database. For further reading refer to:

Caulfield MP, Birdsall NJ. International Union of Pharmacology. XVII. Classification of muscarinic acetylcholine receptors. Pharmacol Rev. 1998 Jun;50(2):279-90. PMID: 9647869.

Wess J, Eglen RM, Gautam D. Muscarinic acetylcholine receptors: mutant mice provide new insights for drug development. Nat Rev Drug Discov. 2007 Sep;6(9):721-33. doi: 10.1038/nrd2379. PMID: 17762886.

Birdsall NJM, Bradley S, Brown DA, Buckley NJ, Challiss RJ, Christopoulos A, Eglen RM, Ehlert F, Felder CC, Hammer R, Kilbinger HJ, Lambrecht G, Langmead C, Mitchelson F, Mutschler E, Nathanson NM, Schwarz RD, Thal D, Tobin AB, Valant C, Wess J. Acetylcholine receptors (muscarinic) in GtoPdb v.2021.3. IUPHAR/BPS Guide to Pharmacology CITE. 2021; 2021(3).

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