Incidental Mutation 'R1588:Chrng'
ID 177612
Institutional Source Beutler Lab
Gene Symbol Chrng
Ensembl Gene ENSMUSG00000026253
Gene Name cholinergic receptor, nicotinic, gamma polypeptide
Synonyms Acrg, Achr-3
MMRRC Submission 039625-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1588 (G1)
Quality Score 225
Status Not validated
Chromosome 1
Chromosomal Location 87133533-87139365 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 87135229 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Phenylalanine to Leucine at position 179 (F179L)
Ref Sequence ENSEMBL: ENSMUSP00000141001 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027470] [ENSMUST00000185763] [ENSMUST00000186038] [ENSMUST00000188796]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000027470
AA Change: F157L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000027470
Gene: ENSMUSG00000026253
AA Change: F157L

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 26 241 7.9e-72 PFAM
Pfam:Neur_chan_memb 248 494 9.6e-64 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000185763
AA Change: F214L

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000139600
Gene: ENSMUSG00000026253
AA Change: F214L

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 20 72 1.4e-6 PFAM
Pfam:Neur_chan_LBD 117 255 1e-47 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000186038
AA Change: F179L

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000141001
Gene: ENSMUSG00000026253
AA Change: F179L

DomainStartEndE-ValueType
signal peptide 1 41 N/A INTRINSIC
Pfam:Neur_chan_LBD 48 220 1e-63 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000188796
SMART Domains Protein: ENSMUSP00000140796
Gene: ENSMUSG00000026253

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 26 142 1.3e-34 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189392
Coding Region Coverage
  • 1x: 98.9%
  • 3x: 98.0%
  • 10x: 95.0%
  • 20x: 87.7%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] The mammalian muscle-type acetylcholine receptor is a transmembrane pentameric glycoprotein with two alpha subunits, one beta, one delta, and one epsilon (in adult skeletal muscle) or gamma (in fetal and denervated muscle) subunit. This gene, which encodes the gamma subunit, is expressed prior to the thirty-third week of gestation in humans. The gamma subunit of the acetylcholine receptor plays a role in neuromuscular organogenesis and ligand binding and disruption of gamma subunit expression prevents the correct localization of the receptor in cell membranes. Mutations in this gene cause Escobar syndrome and a lethal form of multiple pterygium syndrome. Muscle-type acetylcholine receptor is the major antigen in the autoimmune disease myasthenia gravis.[provided by RefSeq, Sep 2009]
PHENOTYPE: Homozygous null mice display perinatal and postnatal lethality, paradoxical breathing, abnormal skeletal muscle morphology, abnormal neuromuscular junction morphology and physiology, and are unable to suckle. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 56 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc4 A G 14: 118,771,484 (GRCm39) V869A probably benign Het
Ablim1 C T 19: 57,071,979 (GRCm39) M1I probably null Het
Adamts13 A T 2: 26,865,687 (GRCm39) I81F probably benign Het
Akap11 A T 14: 78,747,685 (GRCm39) N1567K possibly damaging Het
Arrdc4 G A 7: 68,391,484 (GRCm39) T261M possibly damaging Het
C4b T C 17: 34,959,999 (GRCm39) I326V probably benign Het
Casp8ap2 G A 4: 32,640,541 (GRCm39) A532T probably benign Het
Ccdc134 A G 15: 82,019,337 (GRCm39) T187A probably benign Het
Cdh8 T C 8: 99,917,039 (GRCm39) N359D probably damaging Het
Cep97 A G 16: 55,748,184 (GRCm39) L82P probably damaging Het
Cfap53 A T 18: 74,440,444 (GRCm39) R404S probably benign Het
Ddi1 A T 9: 6,265,391 (GRCm39) I326K probably damaging Het
Decr2 T C 17: 26,302,002 (GRCm39) T243A possibly damaging Het
Dip2c T C 13: 9,715,900 (GRCm39) V1502A probably damaging Het
Edem1 T C 6: 108,818,640 (GRCm39) V216A probably damaging Het
Fat2 A C 11: 55,174,230 (GRCm39) V2161G probably damaging Het
Fbn1 T C 2: 125,161,034 (GRCm39) T2169A probably benign Het
Fmn1 T C 2: 113,196,043 (GRCm39) V581A unknown Het
Hip1r A T 5: 124,134,638 (GRCm39) D350V probably damaging Het
Ift140 G A 17: 25,306,959 (GRCm39) R898H probably damaging Het
Il12a A G 3: 68,602,896 (GRCm39) I159V probably benign Het
Itprid1 A G 6: 55,955,488 (GRCm39) E1032G possibly damaging Het
Kl A G 5: 150,906,097 (GRCm39) E489G probably benign Het
Klhl3 T C 13: 58,161,712 (GRCm39) E461G probably damaging Het
Masp1 T C 16: 23,313,404 (GRCm39) Y177C probably damaging Het
Nop58 T A 1: 59,742,031 (GRCm39) Y187N probably damaging Het
Npc1l1 A G 11: 6,167,785 (GRCm39) V1002A probably benign Het
Ntaq1 T A 15: 58,021,285 (GRCm39) probably null Het
Ntrk1 A T 3: 87,687,384 (GRCm39) Y683* probably null Het
Or11g26 A G 14: 50,753,584 (GRCm39) I308V probably benign Het
Or13j1 C T 4: 43,705,923 (GRCm39) C215Y probably damaging Het
Or2w4 C T 13: 21,796,083 (GRCm39) D19N probably benign Het
Or8k21 T C 2: 86,144,874 (GRCm39) Y252C probably damaging Het
Osbpl6 T C 2: 76,409,560 (GRCm39) V367A probably benign Het
Phip A G 9: 82,782,881 (GRCm39) W855R probably damaging Het
Phlpp1 A G 1: 106,308,115 (GRCm39) S1131G probably damaging Het
Pkdrej A T 15: 85,701,442 (GRCm39) V1498E probably benign Het
Pramel22 G T 4: 143,382,121 (GRCm39) L192M probably damaging Het
Prkaa2 T C 4: 104,908,420 (GRCm39) N152D probably damaging Het
Ptpro T A 6: 137,420,592 (GRCm39) V1007D probably damaging Het
Pxdn G A 12: 30,052,558 (GRCm39) V732M probably damaging Het
Rccd1 C T 7: 79,969,859 (GRCm39) W223* probably null Het
Riox2 T A 16: 59,295,946 (GRCm39) S16T possibly damaging Het
Scn5a C T 9: 119,350,367 (GRCm39) V836I probably damaging Het
Serpinf1 G A 11: 75,301,076 (GRCm39) R380C probably damaging Het
Sf3b1 A T 1: 55,036,336 (GRCm39) N912K probably benign Het
Shprh T A 10: 11,040,488 (GRCm39) C134S probably damaging Het
Skint8 T A 4: 111,785,924 (GRCm39) C123* probably null Het
Slc16a13 G T 11: 70,109,421 (GRCm39) S360* probably null Het
Srr A G 11: 74,799,629 (GRCm39) I282T possibly damaging Het
Trpm1 T C 7: 63,873,565 (GRCm39) F607L possibly damaging Het
Ttn T C 2: 76,539,870 (GRCm39) D34372G probably benign Het
Tub C T 7: 108,628,888 (GRCm39) T401I probably damaging Het
Wdhd1 T C 14: 47,493,693 (GRCm39) E9G probably damaging Het
Yipf3 T A 17: 46,561,787 (GRCm39) F198Y possibly damaging Het
Zfp955a C T 17: 33,460,791 (GRCm39) R447K probably benign Het
Other mutations in Chrng
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00557:Chrng APN 1 87,134,469 (GRCm39) missense probably damaging 0.99
IGL02947:Chrng APN 1 87,137,606 (GRCm39) splice site probably null
IGL03014:Chrng UTSW 1 87,138,759 (GRCm39) critical splice donor site probably null
R1051:Chrng UTSW 1 87,136,785 (GRCm39) missense possibly damaging 0.70
R1346:Chrng UTSW 1 87,135,985 (GRCm39) missense probably benign 0.09
R1368:Chrng UTSW 1 87,133,575 (GRCm39) missense probably damaging 1.00
R1703:Chrng UTSW 1 87,138,628 (GRCm39) missense possibly damaging 0.63
R2852:Chrng UTSW 1 87,134,428 (GRCm39) missense probably benign 0.01
R3707:Chrng UTSW 1 87,138,333 (GRCm39) nonsense probably null
R4780:Chrng UTSW 1 87,135,246 (GRCm39) missense probably damaging 1.00
R5818:Chrng UTSW 1 87,137,523 (GRCm39) missense probably benign 0.45
R5871:Chrng UTSW 1 87,134,451 (GRCm39) missense possibly damaging 0.95
R6058:Chrng UTSW 1 87,139,074 (GRCm39) missense probably damaging 1.00
R6136:Chrng UTSW 1 87,137,523 (GRCm39) missense probably benign 0.45
R7086:Chrng UTSW 1 87,138,735 (GRCm39) missense probably benign 0.06
R7229:Chrng UTSW 1 87,137,166 (GRCm39) missense probably benign 0.27
R7261:Chrng UTSW 1 87,134,962 (GRCm39) splice site probably null
R7572:Chrng UTSW 1 87,136,836 (GRCm39) missense probably damaging 1.00
R7666:Chrng UTSW 1 87,137,175 (GRCm39) missense probably benign 0.05
R8132:Chrng UTSW 1 87,133,718 (GRCm39) missense unknown
R8865:Chrng UTSW 1 87,135,219 (GRCm39) missense probably damaging 1.00
R8902:Chrng UTSW 1 87,138,397 (GRCm39) missense possibly damaging 0.84
R9535:Chrng UTSW 1 87,139,202 (GRCm39) missense probably benign 0.00
T0975:Chrng UTSW 1 87,138,348 (GRCm39) missense probably benign 0.00
X0063:Chrng UTSW 1 87,134,428 (GRCm39) missense probably benign 0.01
Z1177:Chrng UTSW 1 87,134,020 (GRCm39) missense probably benign 0.10
Z1177:Chrng UTSW 1 87,133,717 (GRCm39) missense unknown
Z1177:Chrng UTSW 1 87,136,025 (GRCm39) missense probably damaging 0.99
Z1177:Chrng UTSW 1 87,135,985 (GRCm39) missense probably benign 0.09
Predicted Primers PCR Primer
(F):5'- AGCTCTGTACACTGGCCTATGCAC -3'
(R):5'- GGCATACCCAGATGTTCTTAGCCAC -3'

Sequencing Primer
(F):5'- CCTATGCACACAGTGTGGAC -3'
(R):5'- AGACAATAGGGTCTCCCCTTGG -3'
Posted On 2014-04-24