Incidental Mutation 'R5818:Chrng'
ID 449137
Institutional Source Beutler Lab
Gene Symbol Chrng
Ensembl Gene ENSMUSG00000026253
Gene Name cholinergic receptor, nicotinic, gamma polypeptide
Synonyms Acrg, Achr-3
MMRRC Submission 043398-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R5818 (G1)
Quality Score 225
Status Validated
Chromosome 1
Chromosomal Location 87133533-87139365 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 87137523 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 320 (V320I)
Ref Sequence ENSEMBL: ENSMUSP00000027470 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000027470] [ENSMUST00000050876] [ENSMUST00000076362] [ENSMUST00000113230] [ENSMUST00000113231] [ENSMUST00000113232] [ENSMUST00000113233] [ENSMUST00000185763] [ENSMUST00000188796] [ENSMUST00000113235] [ENSMUST00000186038] [ENSMUST00000123735]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000027470
AA Change: V320I

PolyPhen 2 Score 0.451 (Sensitivity: 0.89; Specificity: 0.90)
SMART Domains Protein: ENSMUSP00000027470
Gene: ENSMUSG00000026253
AA Change: V320I

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: ENSMUST00000050876
SMART Domains Protein: ENSMUSP00000053403
Gene: ENSMUSG00000026254

DomainStartEndE-ValueType
Pfam:IF4E 55 217 2.4e-64 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000076362
SMART Domains Protein: ENSMUSP00000075699
Gene: ENSMUSG00000026254

DomainStartEndE-ValueType
Pfam:IF4E 55 217 4.1e-64 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000113230
SMART Domains Protein: ENSMUSP00000108856
Gene: ENSMUSG00000026254

DomainStartEndE-ValueType
Pfam:IF4E 50 212 1.7e-64 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000113231
SMART Domains Protein: ENSMUSP00000108857
Gene: ENSMUSG00000026254

DomainStartEndE-ValueType
Pfam:IF4E 50 212 4.4e-64 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000113232
SMART Domains Protein: ENSMUSP00000108858
Gene: ENSMUSG00000026254

DomainStartEndE-ValueType
Pfam:IF4E 55 217 4e-64 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000113233
SMART Domains Protein: ENSMUSP00000108859
Gene: ENSMUSG00000026254

DomainStartEndE-ValueType
Pfam:IF4E 55 217 8.6e-64 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189392
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: ENSMUST00000188796
SMART Domains Protein: ENSMUSP00000140796
Gene: ENSMUSG00000026253

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 26 142 1.3e-34 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000113235
SMART Domains Protein: ENSMUSP00000108861
Gene: ENSMUSG00000026254

DomainStartEndE-ValueType
Pfam:IF4E 55 217 1.8e-64 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 benign
Transcript: ENSMUST00000123735
SMART Domains Protein: ENSMUSP00000137771
Gene: ENSMUSG00000026254

DomainStartEndE-ValueType
Pfam:IF4E 50 128 1.8e-33 PFAM
Meta Mutation Damage Score 0.1167 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.6%
  • 10x: 98.3%
  • 20x: 95.1%
Validation Efficiency 100% (64/64)
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: 54 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca6 A T 11: 110,110,469 (GRCm39) V560D probably damaging Het
Actn4 A G 7: 28,618,444 (GRCm39) I72T probably damaging Het
Adam33 A T 2: 130,896,278 (GRCm39) C440S possibly damaging Het
Bace1 T C 9: 45,770,347 (GRCm39) I361T possibly damaging Het
Bend6 T C 1: 33,922,654 (GRCm39) probably benign Het
Bpifb9a T G 2: 154,104,215 (GRCm39) N219K probably damaging Het
Cacna1g C A 11: 94,308,946 (GRCm39) K1634N probably damaging Het
Cdk18 A G 1: 132,046,836 (GRCm39) probably null Het
Corin G T 5: 72,592,738 (GRCm39) H87N probably benign Het
Cps1 A T 1: 67,205,647 (GRCm39) I557F possibly damaging Het
Cyp4a29 T C 4: 115,104,229 (GRCm39) V99A possibly damaging Het
Dach1 T C 14: 98,406,120 (GRCm39) D209G probably damaging Het
Dgat1 G A 15: 76,386,407 (GRCm39) probably benign Het
Eif1ad8 T G 12: 87,563,830 (GRCm39) V55G possibly damaging Het
Fbxw26 G T 9: 109,561,634 (GRCm39) R187S probably benign Het
Gabrd G A 4: 155,472,818 (GRCm39) P122S probably damaging Het
Gm11677 C T 11: 111,615,537 (GRCm39) noncoding transcript Het
Hif1a A G 12: 73,986,338 (GRCm39) Q343R possibly damaging Het
Hyou1 G A 9: 44,300,223 (GRCm39) probably null Het
Igfn1 A T 1: 135,893,864 (GRCm39) I2072K possibly damaging Het
Itprid2 T A 2: 79,474,937 (GRCm39) S299T probably damaging Het
Kash5 C T 7: 44,843,383 (GRCm39) probably null Het
Kctd8 C T 5: 69,454,054 (GRCm39) A328T probably benign Het
Krt10 A G 11: 99,279,597 (GRCm39) Y188H probably damaging Het
Krtap4-16 T A 11: 99,742,349 (GRCm39) Q17L unknown Het
Larp4b T A 13: 9,208,596 (GRCm39) S416R probably benign Het
Lmtk2 G A 5: 144,093,718 (GRCm39) V232M probably benign Het
Mroh4 A G 15: 74,483,831 (GRCm39) I571T probably damaging Het
Myo15a G A 11: 60,388,777 (GRCm39) R2021Q probably benign Het
Npl G A 1: 153,411,661 (GRCm39) R63C probably damaging Het
Ntn4 A G 10: 93,480,626 (GRCm39) I80V probably benign Het
Numb C T 12: 83,872,028 (GRCm39) probably null Het
Nusap1 A C 2: 119,465,994 (GRCm39) M205L possibly damaging Het
Onecut2 T A 18: 64,474,046 (GRCm39) M180K possibly damaging Het
Or10d1b T C 9: 39,613,661 (GRCm39) S135G probably benign Het
Pmfbp1 T C 8: 110,265,311 (GRCm39) probably null Het
Ppfia1 T C 7: 144,074,305 (GRCm39) probably benign Het
Ppm1b A G 17: 85,301,147 (GRCm39) K9R probably benign Het
Rab11fip3 T C 17: 26,235,090 (GRCm39) S608G probably damaging Het
Smim8 TTTAATGAAGAGCT TT 4: 34,771,261 (GRCm39) probably benign Het
Sohlh2 A G 3: 55,097,922 (GRCm39) T125A probably damaging Het
Tet1 C A 10: 62,652,187 (GRCm39) M1610I possibly damaging Het
Tgfbr3 A T 5: 107,280,869 (GRCm39) D630E probably benign Het
Thnsl2 T C 6: 71,111,127 (GRCm39) D247G probably benign Het
Tmem198b G A 10: 128,638,057 (GRCm39) R169W probably benign Het
Tmem201 G A 4: 149,811,849 (GRCm39) A332V probably benign Het
Tsku T C 7: 98,001,305 (GRCm39) D342G possibly damaging Het
Ucn2 A T 9: 108,815,565 (GRCm39) H109L probably benign Het
Virma T G 4: 11,513,319 (GRCm39) L391R possibly damaging Het
Vmn1r60 T A 7: 5,548,098 (GRCm39) M1L probably benign Het
Vmn2r76 T C 7: 85,879,142 (GRCm39) H386R probably benign Het
Zfp608 C T 18: 55,028,468 (GRCm39) R1315Q probably benign Het
Zmym2 A G 14: 57,183,986 (GRCm39) T983A probably benign Het
Zscan26 A G 13: 21,629,931 (GRCm39) S65P 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
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'- AAGCCCATAGCCTTGCTAAGC -3'
(R):5'- CATTTGGCATAGATTTGCAGCTG -3'

Sequencing Primer
(F):5'- TTGCTAAGCAAGAGGGCTAAATCC -3'
(R):5'- GCATAGATTTGCAGCTGAATTTGAG -3'
Posted On 2016-12-20