Incidental Mutation 'R1368:Chrng'
ID 155857
Institutional Source Beutler Lab
Gene Symbol Chrng
Ensembl Gene ENSMUSG00000026253
Gene Name cholinergic receptor, nicotinic, gamma polypeptide
Synonyms Acrg, Achr-3
MMRRC Submission 039433-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R1368 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 87133533-87139365 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 87133575 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Histidine at position 10 (L10H)
Ref Sequence ENSEMBL: ENSMUSP00000027470 (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: L10H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000027470
Gene: ENSMUSG00000026253
AA Change: L10H

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 benign
Transcript: ENSMUST00000185763
SMART Domains Protein: ENSMUSP00000139600
Gene: ENSMUSG00000026253

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 20 72 1.4e-6 PFAM
Pfam:Neur_chan_LBD 117 255 1e-47 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000186038
SMART Domains Protein: ENSMUSP00000141001
Gene: ENSMUSG00000026253

DomainStartEndE-ValueType
signal peptide 1 41 N/A INTRINSIC
Pfam:Neur_chan_LBD 48 220 1e-63 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000188796
AA Change: L10H

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000140796
Gene: ENSMUSG00000026253
AA Change: L10H

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 26 142 1.3e-34 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189392
Meta Mutation Damage Score 0.3304 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.6%
  • 10x: 97.1%
  • 20x: 95.1%
Validation Efficiency 98% (55/56)
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: 53 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 A G 11: 9,241,836 (GRCm39) D1233G probably benign Het
Abcc8 G A 7: 45,772,284 (GRCm39) R832W probably damaging Het
Atp10b A G 11: 43,092,981 (GRCm39) T439A probably damaging Het
Brd10 C A 19: 29,693,796 (GRCm39) S1966I probably damaging Het
C130073F10Rik T A 4: 101,747,953 (GRCm39) N74Y possibly damaging Het
Cct8 G A 16: 87,288,200 (GRCm39) S124L probably damaging Het
Cdh9 T A 15: 16,848,568 (GRCm39) probably benign Het
Cep290 C T 10: 100,330,828 (GRCm39) probably benign Het
Cnn3 T C 3: 121,250,786 (GRCm39) L189S probably benign Het
Cog4 A G 8: 111,585,157 (GRCm39) probably benign Het
Cxcl12 A G 6: 117,153,111 (GRCm39) probably benign Het
Eif2b2 G A 12: 85,270,230 (GRCm39) A257T probably damaging Het
Entrep2 A T 7: 64,469,625 (GRCm39) V41E probably damaging Het
Fanca G A 8: 124,031,020 (GRCm39) probably benign Het
Fcgbpl1 A G 7: 27,858,903 (GRCm39) Q2341R possibly damaging Het
Fktn G A 4: 53,734,880 (GRCm39) G173R probably damaging Het
Gabbr2 T C 4: 46,674,464 (GRCm39) N841S probably benign Het
Gm5622 T A 14: 51,899,647 (GRCm39) V167E possibly damaging Het
Gnaq T C 19: 16,355,651 (GRCm39) V289A probably benign Het
Gpatch2l T G 12: 86,307,439 (GRCm39) D272E possibly damaging Het
Gzmg G A 14: 56,395,263 (GRCm39) T74I probably benign Het
Ikzf2 G A 1: 69,578,474 (GRCm39) A271V possibly damaging Het
Lig4 T C 8: 10,021,176 (GRCm39) D868G possibly damaging Het
Mfsd6 T C 1: 52,747,764 (GRCm39) E367G possibly damaging Het
Mpz T C 1: 170,987,533 (GRCm39) L223P probably damaging Het
Muc17 T C 5: 137,175,674 (GRCm39) probably benign Het
Or2f1b C A 6: 42,739,613 (GRCm39) T209K possibly damaging Het
Pdcd2 G T 17: 15,746,846 (GRCm39) N104K probably damaging Het
Pigg G T 5: 108,465,154 (GRCm39) G129V probably damaging Het
Ppp3cc T C 14: 70,483,311 (GRCm39) Y254C probably damaging Het
Prl3b1 G A 13: 27,427,848 (GRCm39) A53T probably benign Het
Psg23 A G 7: 18,348,645 (GRCm39) V54A probably benign Het
Psmd3 A G 11: 98,573,746 (GRCm39) D64G probably damaging Het
Psmg2 CTTCAGTT CTTCAGTTCAGTT 18: 67,779,095 (GRCm39) probably null Het
Ptgdr T A 14: 45,090,799 (GRCm39) I320F probably damaging Het
Rad50 T A 11: 53,574,072 (GRCm39) K722* probably null Het
Rasl10b G A 11: 83,308,665 (GRCm39) probably null Het
Rgs9 G A 11: 109,138,977 (GRCm39) S255L probably benign Het
Ror1 C T 4: 100,298,334 (GRCm39) P569L possibly damaging Het
Rsad2 T C 12: 26,497,147 (GRCm39) probably null Het
Scn8a A G 15: 100,933,422 (GRCm39) D1501G probably damaging Het
Sema3c A G 5: 17,883,330 (GRCm39) T313A possibly damaging Het
Serpinc1 T A 1: 160,821,094 (GRCm39) F59L probably damaging Het
Sike1 A G 3: 102,903,500 (GRCm39) D63G possibly damaging Het
Slc25a11 T A 11: 70,536,352 (GRCm39) probably null Het
Slc32a1 A G 2: 158,453,240 (GRCm39) M27V probably benign Het
Smc5 A G 19: 23,187,807 (GRCm39) V1003A probably damaging Het
Tll2 G A 19: 41,108,667 (GRCm39) R328C probably damaging Het
Topaz1 A G 9: 122,577,315 (GRCm39) E75G possibly damaging Het
Tspan3 A T 9: 56,054,783 (GRCm39) V48E probably benign Het
Ugt1a6b T C 1: 88,035,358 (GRCm39) I232T probably benign Het
Unc79 A G 12: 103,122,772 (GRCm39) K2290E probably damaging Het
Vmn1r19 T C 6: 57,381,656 (GRCm39) F70L 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
R1588:Chrng UTSW 1 87,135,229 (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'- TGACAATGCAGTGGTCAGACAGC -3'
(R):5'- AGTTTCGCATCAGGTCCGCAAG -3'

Sequencing Primer
(F):5'- GTAGGCTGACACATGACACT -3'
(R):5'- AAGCAGACGCTCCTCTTG -3'
Posted On 2014-02-11