Incidental Mutation 'R6760:Chrna9'
ID 531187
Institutional Source Beutler Lab
Gene Symbol Chrna9
Ensembl Gene ENSMUSG00000029205
Gene Name cholinergic receptor, nicotinic, alpha polypeptide 9
Synonyms Acra9, 2410015I05Rik, Gm8311
MMRRC Submission 044876-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.119) question?
Stock # R6760 (G1)
Quality Score 225.009
Status Validated
Chromosome 5
Chromosomal Location 66092264-66134669 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 66128571 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Asparagine at position 260 (Y260N)
Ref Sequence ENSEMBL: ENSMUSP00000031108 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000031108] [ENSMUST00000201814] [ENSMUST00000202957]
AlphaFold G3X8Z7
Predicted Effect probably damaging
Transcript: ENSMUST00000031108
AA Change: Y260N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000031108
Gene: ENSMUSG00000029205
AA Change: Y260N

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 31 237 2.7e-69 PFAM
Pfam:Neur_chan_memb 244 475 8.6e-51 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000201664
Predicted Effect probably damaging
Transcript: ENSMUST00000201814
AA Change: Y256N

PolyPhen 2 Score 0.988 (Sensitivity: 0.73; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000144364
Gene: ENSMUSG00000029205
AA Change: Y256N

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 27 233 8.1e-71 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000202957
Meta Mutation Damage Score 0.9444 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.5%
  • 10x: 97.6%
  • 20x: 92.8%
Validation Efficiency 97% (35/36)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene is a member of the ligand-gated ionic channel family and nicotinic acetylcholine receptor gene superfamily. It encodes a plasma membrane protein that forms homo- or hetero-oligomeric divalent cation channels. This protein is involved in cochlea hair cell development and is also expressed in the outer hair cells (OHCs) of the adult cochlea. [provided by RefSeq, Feb 2012]
PHENOTYPE: Homozygous mutation of this gene results in abnormal innervation of the outer hair cells and depressed olivocochlear response. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aco1 C A 4: 40,180,210 (GRCm39) C370* probably null Het
Akap6 C T 12: 53,186,561 (GRCm39) S1325L probably damaging Het
Atp2a3 A G 11: 72,873,566 (GRCm39) D813G probably damaging Het
Baz2b T A 2: 59,792,776 (GRCm39) I451F probably benign Het
Calm2 T C 17: 87,743,123 (GRCm39) D65G probably benign Het
Cdh23 C T 10: 60,141,947 (GRCm39) V3049M probably damaging Het
Cfap46 A G 7: 139,232,356 (GRCm39) L869P probably damaging Het
Clock G A 5: 76,374,823 (GRCm39) P782L unknown Het
Coro2a A G 4: 46,540,572 (GRCm39) M449T probably benign Het
Crispld1 T G 1: 17,821,025 (GRCm39) V355G possibly damaging Het
Dnah7c C A 1: 46,688,500 (GRCm39) T1890K probably benign Het
Dnah7c A G 1: 46,688,511 (GRCm39) S1894G probably benign Het
Enpp5 G A 17: 44,396,155 (GRCm39) G356S probably damaging Het
Gpr37 T C 6: 25,669,168 (GRCm39) I559V probably benign Het
Grik5 A G 7: 24,758,364 (GRCm39) probably null Het
Itga8 T C 2: 12,306,451 (GRCm39) Y48C probably damaging Het
Manba T C 3: 135,248,212 (GRCm39) V367A probably damaging Het
Mrgpra1 G A 7: 46,984,789 (GRCm39) R297W probably benign Het
Myh7b C A 2: 155,462,038 (GRCm39) Y311* probably null Het
Nmd3 T A 3: 69,654,170 (GRCm39) probably null Het
Or5m9 T A 2: 85,877,358 (GRCm39) C177* probably null Het
Pakap T C 4: 57,856,026 (GRCm39) W493R probably damaging Het
Pcdhb11 A T 18: 37,554,637 (GRCm39) probably benign Het
Plcb1 C T 2: 135,313,980 (GRCm39) T1144M possibly damaging Het
Sfrp1 A G 8: 23,901,904 (GRCm39) D35G probably damaging Het
St3gal1 A G 15: 66,983,195 (GRCm39) V187A possibly damaging Het
Timeless A G 10: 128,081,986 (GRCm39) K537R probably benign Het
Tnrc6a T A 7: 122,771,222 (GRCm39) V1004E probably damaging Het
Tubb4a T C 17: 57,387,796 (GRCm39) E410G possibly damaging Het
U2surp G A 9: 95,375,764 (GRCm39) A143V probably benign Het
Vmn2r118 T A 17: 55,899,714 (GRCm39) H730L possibly damaging Het
Vmn2r28 G A 7: 5,484,229 (GRCm39) T657I probably damaging Het
Ybey A T 10: 76,304,033 (GRCm39) N56K probably benign Het
Other mutations in Chrna9
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00094:Chrna9 APN 5 66,126,600 (GRCm39) missense probably benign 0.25
IGL00742:Chrna9 APN 5 66,128,458 (GRCm39) missense probably benign 0.12
IGL01611:Chrna9 APN 5 66,128,287 (GRCm39) missense probably damaging 1.00
IGL02376:Chrna9 APN 5 66,128,502 (GRCm39) missense probably damaging 1.00
R0403:Chrna9 UTSW 5 66,125,235 (GRCm39) missense possibly damaging 0.89
R1506:Chrna9 UTSW 5 66,126,479 (GRCm39) missense probably benign 0.19
R2943:Chrna9 UTSW 5 66,134,438 (GRCm39) missense probably damaging 1.00
R4243:Chrna9 UTSW 5 66,092,379 (GRCm39) critical splice donor site probably null
R4290:Chrna9 UTSW 5 66,134,481 (GRCm39) missense probably benign 0.11
R4607:Chrna9 UTSW 5 66,134,078 (GRCm39) missense possibly damaging 0.77
R4737:Chrna9 UTSW 5 66,125,214 (GRCm39) missense probably damaging 1.00
R4814:Chrna9 UTSW 5 66,134,492 (GRCm39) missense probably damaging 1.00
R4932:Chrna9 UTSW 5 66,126,533 (GRCm39) nonsense probably null
R5044:Chrna9 UTSW 5 66,128,359 (GRCm39) missense probably damaging 0.99
R5128:Chrna9 UTSW 5 66,128,565 (GRCm39) missense probably benign 0.00
R5213:Chrna9 UTSW 5 66,128,427 (GRCm39) nonsense probably null
R5242:Chrna9 UTSW 5 66,134,423 (GRCm39) missense probably benign
R7131:Chrna9 UTSW 5 66,134,484 (GRCm39) missense possibly damaging 0.92
R9328:Chrna9 UTSW 5 66,128,569 (GRCm39) missense probably damaging 1.00
R9506:Chrna9 UTSW 5 66,128,213 (GRCm39) missense probably damaging 1.00
Z1177:Chrna9 UTSW 5 66,128,563 (GRCm39) missense probably damaging 1.00
Z1187:Chrna9 UTSW 5 66,134,123 (GRCm39) missense probably benign 0.03
Predicted Primers PCR Primer
(F):5'- ATTCAATGCCCTGGACAGTGG -3'
(R):5'- TGGGACATACACACGCCATC -3'

Sequencing Primer
(F):5'- CTCTGACTTCATTGAAGACGTG -3'
(R):5'- GCCATCACAACTGCTACAAAG -3'
Posted On 2018-08-01