Incidental Mutation 'IGL00557:Chrng'
ID 7417
Institutional Source Australian Phenomics Network (link to record)
Gene Symbol Chrng
Ensembl Gene ENSMUSG00000026253
Gene Name cholinergic receptor, nicotinic, gamma polypeptide
Synonyms Acrg, Achr-3
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # IGL00557
Quality Score
Status
Chromosome 1
Chromosomal Location 87133533-87139365 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 87134469 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 135 (V135A)
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 possibly damaging
Transcript: ENSMUST00000027470
AA Change: V113A

PolyPhen 2 Score 0.620 (Sensitivity: 0.87; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000027470
Gene: ENSMUSG00000026253
AA Change: V113A

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: V170A

PolyPhen 2 Score 0.982 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000139600
Gene: ENSMUSG00000026253
AA Change: V170A

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: V135A

PolyPhen 2 Score 0.987 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000141001
Gene: ENSMUSG00000026253
AA Change: V135A

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: V113A

PolyPhen 2 Score 0.961 (Sensitivity: 0.78; Specificity: 0.95)
SMART Domains Protein: ENSMUSP00000140796
Gene: ENSMUSG00000026253
AA Change: V113A

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 26 142 1.3e-34 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000189392
Coding Region Coverage
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: 25 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agpat3 A T 10: 78,109,516 (GRCm39) probably benign Het
Arhgap35 T C 7: 16,298,340 (GRCm39) T242A probably benign Het
Asb15 C A 6: 24,558,649 (GRCm39) R55S probably benign Het
Brca2 C T 5: 150,484,003 (GRCm39) R2941W probably benign Het
Corin G T 5: 72,462,231 (GRCm39) H859Q probably damaging Het
Cul7 A G 17: 46,963,434 (GRCm39) E208G probably damaging Het
Dnah6 T C 6: 73,172,603 (GRCm39) N285S possibly damaging Het
Ell2 T A 13: 75,904,409 (GRCm39) I166N probably damaging Het
Fsip2 A G 2: 82,821,657 (GRCm39) R5797G possibly damaging Het
Galntl6 T C 8: 59,364,451 (GRCm39) I20V possibly damaging Het
Glra2 A G X: 164,072,633 (GRCm39) F78L possibly damaging Het
Gm12258 A G 11: 58,746,896 (GRCm39) D51G probably benign Het
Gsta2 T A 9: 78,238,525 (GRCm39) K185* probably null Het
Hmgcr C T 13: 96,795,786 (GRCm39) D294N probably benign Het
Iglv2 A G 16: 19,079,547 (GRCm39) probably benign Het
Myo10 T A 15: 25,776,466 (GRCm39) L63H probably damaging Het
P2ry10b T C X: 106,215,243 (GRCm39) V201A probably benign Het
Psmb2 A G 4: 126,571,642 (GRCm39) probably null Het
Samd4 T A 14: 47,290,355 (GRCm39) L154H probably damaging Het
Sult2a4 A T 7: 13,718,870 (GRCm39) D124E probably damaging Het
Trav9-1 A T 14: 53,725,815 (GRCm39) Y43F probably damaging Het
Trpv2 A G 11: 62,483,681 (GRCm39) N506S probably damaging Het
Ube3c T C 5: 29,824,227 (GRCm39) S474P probably damaging Het
Wdr87-ps A G 7: 29,235,227 (GRCm39) noncoding transcript Het
Zfp942 A T 17: 22,148,042 (GRCm39) C196S probably benign Het
Other mutations in Chrng
AlleleSourceChrCoordTypePredicted EffectPPH Score
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
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
Posted On 2012-04-20