NameMuscarinic acetylcholine receptor M1
SynonymsNot Available
Gene NameCHRM1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0000184|Muscarinic acetylcholine receptor M1
MNTSAPPAVSPNITVLAPGKGPWQVAFIGITTGLLSLATVTGNLLVLISFKVNTELKTVN
NYFLLSLACADLIIGTFSMNLYTTYLLMGHWALGTLACDLWLALDYVASNASVMNLLLIS
FDRYFSVTRPLSYRAKRTPRRAALMIGLAWLVSFVLWAPAILFWQYLVGERTVLAGQCYI
QFLSQPIITFGTAMAAFYLPVTVMCTLYWRIYRETENRARELAALQGSETPGKGGGSSSS
SERSQPGAEGSPETPPGRCCRCCRAPRLLQAYSWKEEEEEDEGSMESLTSSEGEEPGSEV
VIKMPMVDPEAQAPTKQPPRSSPNTVKRPTKKGRDRAGKGQKPRGKEQLAKRKTFSLVKE
KKAARTLSAILLAFILTWTPYNIMVLVSTFCKDCVPETLWELGYWLCYVNSTINPMCYAL
CNKAFRDTFRLLLLCRWDKRRWRKIPKRPGSVHRTPSRQC
Number of residues460
Molecular Weight51420.375
Theoretical pI9.67
GO Classification
Functions
  • G-protein coupled acetylcholine receptor activity
  • phosphatidylinositol phospholipase C activity
  • drug binding
Processes
  • cognition
  • entrainment of circadian clock
  • neuromuscular synaptic transmission
  • phototransduction, visible light
  • positive regulation of intracellular protein transport
  • positive regulation of ion transport
  • adenylate cyclase-inhibiting G-protein coupled acetylcholine receptor signaling pathway
  • G-protein coupled acetylcholine receptor signaling pathway
  • signal transduction
  • G-protein coupled receptor signaling pathway
  • nervous system development
  • phospholipase C-activating G-protein coupled acetylcholine receptor signaling pathway
  • saliva secretion
  • regulation of locomotion
  • sensory perception of chemical stimulus
  • cell proliferation
  • synaptic transmission, cholinergic
  • positive regulation of cell proliferation
  • cellular protein modification process
  • protein kinase C-activating G-protein coupled receptor signaling pathway
Components
  • postsynaptic density
  • asymmetric synapse
  • axon terminus
  • dendrite
  • synapse
  • membrane
  • postsynaptic membrane
  • plasma membrane
  • cell junction
  • integral component of plasma membrane
General FunctionPhosphatidylinositol phospholipase c activity
Specific FunctionThe 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.
Pfam Domain Function
Transmembrane Regions25-47 62-82 100-121 142-164 187-209 367-387 402-421
GenBank Protein ID34451
UniProtKB IDP11229
UniProtKB Entry NameACM1_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0009929|Muscarinic acetylcholine receptor M1 (CHRM1)
ATGAACACTTCAGCCCCACCTGCTGTCAGCCCCAACATCACCGTCCTGGCACCAGGAAAG
GGTCCCTGGCAAGTGGCCTTCATTGGGATCACCACGGGCCTCCTGTCGCTAGCCACAGTG
ACAGGCAACCTGCTGGTACTCATCTCTTTCAAGGTCAACACGGAGCTCAAGACAGTCAAT
AACTACTTCCTGCTGAGCCTGGCCTGTGCTGACCTCATCATCGGTACCTTCTCCATGAAC
CTCTATACCACGTACCTGCTCATGGGCCACTGGGCTCTGGGCACGCTGGCTTGTGACCTC
TGGCTGGCCCTGGACTATGTGGCCAGCAATGCCTCCGTCATGAATCTGCTGCTCATCAGC
TTTGACCGCTACTTCTCCGTGACTCGGCCCCTGAGCTACCGTGCCAAGCGCACACCCCGC
CGGGCAGCTCTGATGATCGGCCTGGCCTGGCTGGTTTCCTTTGTGCTCTGGGCCCCAGCC
ATCCTCTTCTGGCAGTACCTGGTAGGGGAGCGGACAGTGCTAGCTGGGCAGTGCTACATC
CAGTTCCTCTCCCAGCCCATCATCACCTTTGGCACAGCCATGGCTGCCTTCTACCTCCCT
GTCACAGTCATGTGCACGCTCTACTGGCGCATCTACCGGGAGACAGAGAACCGAGCACGG
GAGCTGGCAGCCCTTCAGGGCTCCGAGACGCCAGGCAAAGGGGGTGGCAGCAGCAGCAGC
TCAGAGAGGTCTCAGCCAGGGGCTGAGGGCTCACCAGAGACTCCTCCAGGCCGCTGCTGT
CGCTGCTGCCGGGCCCCCAGGCTGCTGCAGGCCTACAGCTGGAAGGAAGAAGAGGAAGAG
GACGAAGGCTCCATGGAGTCCCTCACATCCTCAGAGGGAGAGGAGCCTGGCTCCGAAGTG
GTGATCAAGATGCCAATGGTGGACCCCGAGGCACAGGCCCCCACCAAGCAGCCCCCACGG
AGCTCCCCAAATACAGTCAAGAGGCCGACTAAGAAAGGGCGTGATCGAGCTGGCAAGGGC
CAGAAGCCCCGTGGAAAGGAGCAGCTGGCCAAGCGGAAGACCTTCTCGCTGGTCAAGGAG
AAGAAGGCGGCTCGGACCCTGAGTGCCATCCTCCTGGCCTTCATCCTCACCTGGACACCG
TACAACATCATGGTGCTGGTGTCCACCTTCTGCAAGGACTGTGTTCCCGAGACCCTGTGG
GAGCTGGGCTACTGGCTGTGCTACGTCAACAGCACCATCAACCCCATGTGCTACGCACTC
TGCAACAAAGCCTTCCGGGACACCTTTCGCCTGCTGCTGCTTTGCCGCTGGGACAAGAGA
CGCTGGCGCAAGATCCCCAAGCGCCCTGGCTCCGTGCACCGCACTCCCTCCCGCCAATGC
TGA
GenBank Gene IDX52068
GeneCard IDNot Available
GenAtlas IDCHRM1
HGNC IDHGNC:1950
Chromosome Location11
Locus11q13
References
  1. Allard WJ, Sigal IS, Dixon RA: Sequence of the gene encoding the human M1 muscarinic acetylcholine receptor. Nucleic Acids Res. 1987 Dec 23;15(24):10604. 3697105
  2. Chapman CG, Browne MJ: Isolation of the human ml (Hml) muscarinic acetylcholine receptor gene by PCR amplification. Nucleic Acids Res. 1990 Apr 25;18(8):2191. 2336407
  3. Peralta EG, Ashkenazi A, Winslow JW, Smith DH, Ramachandran J, Capon DJ: Distinct primary structures, ligand-binding properties and tissue-specific expression of four human muscarinic acetylcholine receptors. EMBO J. 1987 Dec 20;6(13):3923-9. 3443095
  4. Taylor TD, Noguchi H, Totoki Y, Toyoda A, Kuroki Y, Dewar K, Lloyd C, Itoh T, Takeda T, Kim DW, She X, Barlow KF, Bloom T, Bruford E, Chang JL, Cuomo CA, Eichler E, FitzGerald MG, Jaffe DB, LaButti K, Nicol R, Park HS, Seaman C, Sougnez C, Yang X, Zimmer AR, Zody MC, Birren BW, Nusbaum C, Fujiyama A, Hattori M, Rogers J, Lander ES, Sakaki Y: Human chromosome 11 DNA sequence and analysis including novel gene identification. Nature. 2006 Mar 23;440(7083):497-500. 16554811
  5. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. 15489334
  6. Arden JR, Nagata O, Shockley MS, Philip M, Lameh J, Sadee W: Mutational analysis of third cytoplasmic loop domains in G-protein coupling of the HM1 muscarinic receptor. Biochem Biophys Res Commun. 1992 Nov 16;188(3):1111-5. 1445347
  7. Simonin F, Karcher P, Boeuf JJ, Matifas A, Kieffer BL: Identification of a novel family of G protein-coupled receptor associated sorting proteins. J Neurochem. 2004 May;89(3):766-75. 15086532