Incidental Mutation 'R0101:Chrm2'
ID 33194
Institutional Source Beutler Lab
Gene Symbol Chrm2
Ensembl Gene ENSMUSG00000045613
Gene Name cholinergic receptor, muscarinic 2, cardiac
Synonyms muscarinic acetylcholine receptor 2, M2, AChR M2, Chrm-2
MMRRC Submission 038387-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.073) question?
Stock # R0101 (G1)
Quality Score 225
Status Validated
Chromosome 6
Chromosomal Location 36365019-36505349 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 36501430 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Cysteine to Phenylalanine at position 429 (C429F)
Ref Sequence ENSEMBL: ENSMUSP00000130874 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000172278]
AlphaFold Q9ERZ4
Predicted Effect probably damaging
Transcript: ENSMUST00000172278
AA Change: C429F

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000130874
Gene: ENSMUSG00000045613
AA Change: C429F

DomainStartEndE-ValueType
Pfam:7tm_1 40 440 2.5e-75 PFAM
Meta Mutation Damage Score 0.9291 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.4%
  • 10x: 96.7%
  • 20x: 94.0%
Validation Efficiency 100% (50/50)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The 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 to these receptors 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 2 is involved in mediation of bradycardia and a decrease in cardiac contractility. Multiple alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous mutants have slightly decreased body weight (5%) compared to wild-type animals and are resistant to the tremorogenic, analgesic, and hypothermic responses to oxotremorine. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aatk C T 11: 119,901,739 (GRCm39) D829N probably benign Het
B3galnt1 A G 3: 69,483,139 (GRCm39) Y41H probably benign Het
Carmil3 A C 14: 55,735,212 (GRCm39) probably benign Het
Cdh17 A G 4: 11,771,341 (GRCm39) Q41R probably benign Het
Cep43 A T 17: 8,388,374 (GRCm39) S76C possibly damaging Het
Cplane1 T A 15: 8,250,444 (GRCm39) C1844S probably benign Het
Cyld T A 8: 89,444,928 (GRCm39) probably null Het
Cyp2d11 C A 15: 82,274,395 (GRCm39) probably benign Het
Dnah1 A G 14: 31,005,856 (GRCm39) Y2308H probably damaging Het
Dnajc27 T C 12: 4,139,142 (GRCm39) V60A probably benign Het
Dnmbp A G 19: 43,862,599 (GRCm39) V850A possibly damaging Het
Emcn A T 3: 137,047,001 (GRCm39) M1L possibly damaging Het
Epc1 A T 18: 6,462,998 (GRCm39) probably benign Het
Fbxo21 T C 5: 118,133,521 (GRCm39) L310P probably damaging Het
Filip1 A G 9: 79,726,810 (GRCm39) I603T probably benign Het
Fndc3b A G 3: 27,512,957 (GRCm39) V723A probably damaging Het
Gemin5 G A 11: 58,036,322 (GRCm39) P674S probably damaging Het
Gsk3a T C 7: 24,928,328 (GRCm39) D471G probably benign Het
Igbp1b G A 6: 138,634,658 (GRCm39) P262L probably damaging Het
Itga11 T C 9: 62,651,768 (GRCm39) L300S probably damaging Het
Itsn2 T C 12: 4,683,058 (GRCm39) probably benign Het
Lhcgr A G 17: 89,072,598 (GRCm39) S150P probably damaging Het
Man1a T C 10: 53,951,120 (GRCm39) M1V probably null Het
Mical2 C T 7: 111,936,074 (GRCm39) R892C possibly damaging Het
Mtus2 T C 5: 148,019,845 (GRCm39) S747P probably damaging Het
Mug1 A G 6: 121,861,206 (GRCm39) K1276E possibly damaging Het
Or1n1b A G 2: 36,780,138 (GRCm39) S241P probably damaging Het
Pfkfb4 C G 9: 108,839,711 (GRCm39) P260R probably benign Het
Prkca A T 11: 107,948,626 (GRCm39) L121Q probably damaging Het
Prpf40b T C 15: 99,204,681 (GRCm39) probably benign Het
Ripor2 T C 13: 24,864,615 (GRCm39) M215T probably damaging Het
Rpn1 A G 6: 88,070,769 (GRCm39) D213G possibly damaging Het
Rreb1 C A 13: 38,115,518 (GRCm39) P959Q probably benign Het
Sema5b T C 16: 35,483,472 (GRCm39) probably benign Het
Slc38a10 A G 11: 120,041,903 (GRCm39) M1T probably null Het
Slco1c1 G T 6: 141,477,236 (GRCm39) L11F probably damaging Het
Spef2 T C 15: 9,713,194 (GRCm39) T393A probably damaging Het
Srp54b A G 12: 55,302,405 (GRCm39) probably benign Het
St14 G T 9: 31,008,403 (GRCm39) N512K probably benign Het
Syce1l T A 8: 114,382,061 (GRCm39) S237T probably benign Het
Taar2 G A 10: 23,817,393 (GRCm39) R311H probably benign Het
Tamm41 A T 6: 115,009,207 (GRCm39) Y129N probably damaging Het
Tctn2 T C 5: 124,753,357 (GRCm39) noncoding transcript Het
Tpr T C 1: 150,285,053 (GRCm39) probably benign Het
Vsig10 T A 5: 117,473,134 (GRCm39) probably null Het
Zfp335 T C 2: 164,741,910 (GRCm39) K635R probably damaging Het
Zfp541 A G 7: 15,811,968 (GRCm39) Y207C probably damaging Het
Other mutations in Chrm2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00264:Chrm2 APN 6 36,500,326 (GRCm39) missense probably damaging 1.00
IGL00495:Chrm2 APN 6 36,500,355 (GRCm39) missense possibly damaging 0.61
IGL01011:Chrm2 APN 6 36,501,373 (GRCm39) missense probably benign 0.41
IGL01482:Chrm2 APN 6 36,500,692 (GRCm39) missense possibly damaging 0.95
R0390:Chrm2 UTSW 6 36,501,046 (GRCm39) missense probably benign 0.06
R0539:Chrm2 UTSW 6 36,500,641 (GRCm39) missense possibly damaging 0.69
R0972:Chrm2 UTSW 6 36,501,401 (GRCm39) missense possibly damaging 0.56
R2106:Chrm2 UTSW 6 36,500,382 (GRCm39) missense probably damaging 1.00
R3552:Chrm2 UTSW 6 36,500,745 (GRCm39) missense probably damaging 1.00
R4431:Chrm2 UTSW 6 36,501,097 (GRCm39) missense probably benign
R4910:Chrm2 UTSW 6 36,501,168 (GRCm39) missense probably benign 0.19
R5358:Chrm2 UTSW 6 36,500,290 (GRCm39) missense probably damaging 1.00
R5846:Chrm2 UTSW 6 36,500,385 (GRCm39) missense probably damaging 0.98
R6108:Chrm2 UTSW 6 36,500,230 (GRCm39) missense probably damaging 1.00
R6418:Chrm2 UTSW 6 36,500,674 (GRCm39) missense probably damaging 1.00
R6628:Chrm2 UTSW 6 36,500,292 (GRCm39) missense probably damaging 1.00
R6677:Chrm2 UTSW 6 36,501,027 (GRCm39) missense probably damaging 0.99
R6716:Chrm2 UTSW 6 36,501,370 (GRCm39) missense probably damaging 1.00
R7658:Chrm2 UTSW 6 36,500,184 (GRCm39) missense probably benign 0.00
R8004:Chrm2 UTSW 6 36,500,221 (GRCm39) missense probably damaging 1.00
R8185:Chrm2 UTSW 6 36,500,824 (GRCm39) missense probably benign 0.00
R8277:Chrm2 UTSW 6 36,500,211 (GRCm39) missense probably benign 0.31
R8557:Chrm2 UTSW 6 36,501,010 (GRCm39) missense probably benign
R9395:Chrm2 UTSW 6 36,501,196 (GRCm39) missense possibly damaging 0.50
R9441:Chrm2 UTSW 6 36,500,955 (GRCm39) missense probably benign 0.04
Z1177:Chrm2 UTSW 6 36,501,542 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- AGAACTAGTGGGATCGTCAGGTCAG -3'
(R):5'- GCGCCTAAACGGACAGGGTTTATAC -3'

Sequencing Primer
(F):5'- GAACATTGTAGCCCGCAAAATTG -3'
(R):5'- AAACCCCTTAATTGCACGTTG -3'
Posted On 2013-05-09