Incidental Mutation 'R5871:Chrng'
ID 455172
Institutional Source Beutler Lab
Gene Symbol Chrng
Ensembl Gene ENSMUSG00000026253
Gene Name cholinergic receptor, nicotinic, gamma polypeptide
Synonyms Acrg, Achr-3
MMRRC Submission 043234-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5871 (G1)
Quality Score 217
Status Not validated
Chromosome 1
Chromosomal Location 87133533-87139365 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 87134451 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 164 (V164A)
Ref Sequence ENSEMBL: ENSMUSP00000139600 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027470] [ENSMUST00000185763] [ENSMUST00000186038] [ENSMUST00000188796]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000027470
AA Change: V107A

PolyPhen 2 Score 0.724 (Sensitivity: 0.86; Specificity: 0.92)
SMART Domains Protein: ENSMUSP00000027470
Gene: ENSMUSG00000026253
AA Change: V107A

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 26 241 7.9e-72 PFAM
Pfam:Neur_chan_memb 248 494 9.6e-64 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000185763
AA Change: V164A

PolyPhen 2 Score 0.948 (Sensitivity: 0.79; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000139600
Gene: ENSMUSG00000026253
AA Change: V164A

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 20 72 1.4e-6 PFAM
Pfam:Neur_chan_LBD 117 255 1e-47 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000186038
AA Change: V129A

PolyPhen 2 Score 0.890 (Sensitivity: 0.82; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000141001
Gene: ENSMUSG00000026253
AA Change: V129A

DomainStartEndE-ValueType
signal peptide 1 41 N/A INTRINSIC
Pfam:Neur_chan_LBD 48 220 1e-63 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000188796
AA Change: V107A

PolyPhen 2 Score 0.933 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000140796
Gene: ENSMUSG00000026253
AA Change: V107A

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 26 142 1.3e-34 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189392
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.5%
  • 10x: 97.5%
  • 20x: 92.1%
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: 41 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Ackr1 A T 1: 173,159,640 (GRCm39) L293Q probably damaging Het
Ankrd13d A G 19: 4,332,022 (GRCm39) V92A possibly damaging Het
Anxa5 T A 3: 36,506,398 (GRCm39) Q218L possibly damaging Het
Bend6 T C 1: 33,902,946 (GRCm39) M135V probably damaging Het
Ccr5 T C 9: 123,924,558 (GRCm39) F54L probably benign Het
Clca3a1 T G 3: 144,460,642 (GRCm39) S271R probably damaging Het
Csmd3 G A 15: 47,752,112 (GRCm39) T1282I probably damaging Het
Dock10 C A 1: 80,519,057 (GRCm39) probably null Het
Esrrb A G 12: 86,552,661 (GRCm39) Y196C probably benign Het
Fam76a T C 4: 132,631,321 (GRCm39) D208G probably damaging Het
Fancd2 A G 6: 113,533,243 (GRCm39) E520G probably benign Het
Fgf9 A T 14: 58,320,656 (GRCm39) probably null Het
Gatb T A 3: 85,561,083 (GRCm39) L533* probably null Het
Igsf10 G T 3: 59,237,832 (GRCm39) A783D possibly damaging Het
Ldlrap1 A G 4: 134,486,240 (GRCm39) I73T probably damaging Het
Lrrc37 T C 11: 103,507,280 (GRCm39) probably benign Het
Msr1 G A 8: 40,064,693 (GRCm39) P327L probably damaging Het
Myo18a T C 11: 77,723,306 (GRCm39) Y823H probably damaging Het
Ncapg A G 5: 45,853,039 (GRCm39) E835G probably damaging Het
Nfam1 A G 15: 82,900,623 (GRCm39) S120P probably damaging Het
Or4k44 A G 2: 111,367,984 (GRCm39) S217P probably damaging Het
Or56a3 T C 7: 104,735,511 (GRCm39) V196A possibly damaging Het
Or8b49 T A 9: 38,505,628 (GRCm39) I37K possibly damaging Het
Or9m2 T C 2: 87,821,355 (GRCm39) F300S possibly damaging Het
Phtf2 A G 5: 20,999,399 (GRCm39) V248A probably benign Het
Pik3r3 G T 4: 116,143,355 (GRCm39) E283* probably null Het
Plcg2 T A 8: 118,230,956 (GRCm39) Y13N probably damaging Het
Pth2r C T 1: 65,427,796 (GRCm39) P490S probably damaging Het
Rnf40 T A 7: 127,190,757 (GRCm39) M275K probably damaging Het
Rpgrip1l T C 8: 91,948,014 (GRCm39) E1223G possibly damaging Het
Sec14l5 T A 16: 4,986,717 (GRCm39) N168K probably benign Het
Siglecf T C 7: 43,005,045 (GRCm39) V425A probably benign Het
Sorbs1 A G 19: 40,387,027 (GRCm39) V13A probably damaging Het
Svil T A 18: 5,103,669 (GRCm39) probably null Het
Tbrg1 A G 9: 37,562,278 (GRCm39) I300T probably damaging Het
Tnni3k T A 3: 154,736,007 (GRCm39) D112V probably benign Het
Ubxn1 A G 19: 8,851,576 (GRCm39) Q203R probably benign Het
Ugt1a7c A G 1: 88,023,381 (GRCm39) D180G possibly damaging Het
Usp14 A G 18: 9,996,234 (GRCm39) F449L probably benign Het
Wwc2 A G 8: 48,321,458 (GRCm39) L552P unknown Het
Zscan10 A G 17: 23,826,241 (GRCm39) 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
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
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'- AGATGGTAAGACGCCACCTG -3'
(R):5'- ATGTTACAACCCTGGGCCAG -3'

Sequencing Primer
(F):5'- TAAGACGCCACCTGCCGTATTG -3'
(R):5'- AGAGTCTGTGCTTGAAGTCCCAC -3'
Posted On 2017-02-10