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muscarinic receptor
Function:
- muscarinic receptors are serpentine receptors, coupled to G-proteins.
Genetics:
- 5 subtypes, encoded by different genes.
Interactions
molecular events
Related
acetylcholine (Miochol, Pragmoline)
CNS cholinergic system
Specific
muscarinic M1 receptor; muscarinic acetylcholine receptor M1 (CHRM1)
muscarinic M2 receptor; muscarinic acetylcholine receptor M2 (CHRM2)
muscarinic M3 receptor; muscarinic acetylcholine receptor M3 (CHRM3)
muscarinic M4 receptor; muscarinic acetylcholine receptor M4 (CHRM4)
muscarinic M5 receptor; muscarinic acetylcholine receptor M5 (CHRM5)
General
cholinergic receptor
glycoprotein
G-protein coupled receptor; serpentine receptor
Properties
COMPARTMENT: synaptic membrane
CELL: neuron
MOTIF: exoplasmic domain
MOTIF: N-glycosylation site
transmembrane domain
cytoplasmic domain
transmembrane domain
exoplasmic domain
MOTIF: cysteine residue {loop1}
MODIFICATION: cysteine residue {loop2}
transmembrane domain
cytoplasmic domain
transmembrane domain
exoplasmic domain
MOTIF: cysteine residue {LOOP2}
MODIFICATION: cysteine residue {loop1}
transmembrane domain
cytoplasmic domain
transmembrane domain
exoplasmic domain
transmembrane domain
cytoplasmic domain
MISC-INFO: LIGAND = ACETYLCHOLINE
LIGAND = MUSCARINE
MEMBRANE-SPANNING-REGIONS
:QUANTITY 7
References
Conkilin et al PNAS 85:8698 1988