Incidental Mutation 'R6136:Chrng'
ID 488329
Institutional Source Beutler Lab
Gene Symbol Chrng
Ensembl Gene ENSMUSG00000026253
Gene Name cholinergic receptor, nicotinic, gamma polypeptide
Synonyms Acrg, Achr-3
MMRRC Submission 044283-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6136 (G1)
Quality Score 225.009
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: 98.0%
  • 20x: 94.0%
Validation Efficiency 98% (52/53)
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: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
3100002H09Rik C A 4: 124,504,181 (GRCm39) G124C unknown Het
3425401B19Rik A T 14: 32,384,239 (GRCm39) D575E possibly damaging Het
Abca15 A T 7: 119,939,272 (GRCm39) H222L possibly damaging Het
Arhgef18 T C 8: 3,504,507 (GRCm39) V1013A probably benign Het
Arsj T C 3: 126,158,424 (GRCm39) M1T probably null Het
Atp10a A C 7: 58,478,088 (GRCm39) Q1377P probably benign Het
Atrip T A 9: 108,900,804 (GRCm39) E178D probably damaging Het
Cblif G A 19: 11,727,649 (GRCm39) A158T probably damaging Het
Chadl T C 15: 81,577,755 (GRCm39) N625D probably benign Het
Cox11 T C 11: 90,535,221 (GRCm39) L84P probably damaging Het
Dchs1 T G 7: 105,410,132 (GRCm39) T1747P probably benign Het
Dnah12 A G 14: 26,597,227 (GRCm39) K3529E probably damaging Het
Ecd T C 14: 20,370,859 (GRCm39) N620S probably damaging Het
Fbn1 T A 2: 125,245,052 (GRCm39) K278N possibly damaging Het
Fcho2 T C 13: 98,926,275 (GRCm39) K103E probably damaging Het
Fzd7 T G 1: 59,522,419 (GRCm39) F101V probably damaging Het
Galnt13 G T 2: 54,406,491 (GRCm39) probably benign Het
Gm32647 C T 7: 94,124,939 (GRCm39) Het
Gm5624 A T 14: 44,797,333 (GRCm39) D152E probably benign Het
Heatr6 T A 11: 83,663,329 (GRCm39) V664E possibly damaging Het
Hpgd A G 8: 56,747,987 (GRCm39) D36G probably damaging Het
Ifnlr1 A G 4: 135,431,108 (GRCm39) T199A possibly damaging Het
Kalrn T G 16: 34,177,481 (GRCm39) D228A probably damaging Het
Miox T C 15: 89,219,524 (GRCm39) M47T probably damaging Het
Nampt A T 12: 32,880,301 (GRCm39) I65F probably benign Het
Ncf1 T C 5: 134,255,487 (GRCm39) K135E probably damaging Het
Nop53 G A 7: 15,672,314 (GRCm39) Q452* probably null Het
Or8u10 A G 2: 85,915,245 (GRCm39) L292S probably damaging Het
Pik3cg A G 12: 32,254,358 (GRCm39) V543A probably benign Het
Ralgds T C 2: 28,440,577 (GRCm39) probably null Het
Rap1a A G 3: 105,657,598 (GRCm39) V7A probably damaging Het
Rasal1 T C 5: 120,813,543 (GRCm39) V639A possibly damaging Het
Rassf8 A G 6: 145,761,382 (GRCm39) N236S probably benign Het
Rbm47 G C 5: 66,183,626 (GRCm39) R326G probably damaging Het
Sbno1 T C 5: 124,516,554 (GRCm39) D1272G probably benign Het
Setx A G 2: 29,038,039 (GRCm39) D1508G probably benign Het
Slc1a1 T A 19: 28,882,810 (GRCm39) L358Q probably damaging Het
Slc7a12 C A 3: 14,564,186 (GRCm39) L20I probably benign Het
Spata31g1 T C 4: 42,972,853 (GRCm39) S729P probably damaging Het
Spats2l C T 1: 57,941,302 (GRCm39) T187M probably damaging Het
Specc1l A G 10: 75,082,494 (GRCm39) D647G probably benign Het
Steap4 G A 5: 8,028,562 (GRCm39) R380Q probably damaging Het
Syne2 A G 12: 75,952,099 (GRCm39) S456G probably benign Het
Tfcp2 G T 15: 100,410,194 (GRCm39) T391N probably damaging Het
Tns2 T A 15: 102,015,465 (GRCm39) D122E probably damaging Het
Tshr A G 12: 91,505,008 (GRCm39) M649V probably benign Het
Ubr3 A G 2: 69,824,107 (GRCm39) T1440A probably benign Het
Urb2 A G 8: 124,756,831 (GRCm39) D846G probably benign Het
Vmn1r202 T C 13: 22,685,632 (GRCm39) T262A possibly damaging Het
Vmn2r61 G T 7: 41,916,455 (GRCm39) W356L probably damaging Het
Wdr11 T A 7: 129,220,427 (GRCm39) M605K possibly damaging Het
Zfp647 G A 15: 76,796,285 (GRCm39) P125L probably damaging 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
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
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'- AGCCCATAGCCTTGCTAAGC -3'
(R):5'- ACATTTGGCATAGATTTGCAGC -3'

Sequencing Primer
(F):5'- TTGCTAAGCAAGAGGGCTAAATCC -3'
(R):5'- GCATAGATTTGCAGCTGAATTTGAG -3'
Posted On 2017-10-10