Incidental Mutation 'R6806:Chrna3'
ID 537491
Institutional Source Beutler Lab
Gene Symbol Chrna3
Ensembl Gene ENSMUSG00000032303
Gene Name cholinergic receptor, nicotinic, alpha polypeptide 3
Synonyms Acra3, Acra-3, A730007P14Rik, (a)3, neuronal nicotinic acetylcholine receptor, alpha 3 subunit, alpha 3
MMRRC Submission 044919-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.325) question?
Stock # R6806 (G1)
Quality Score 225.009
Status Validated
Chromosome 9
Chromosomal Location 54917401-54933846 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 54923094 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Histidine at position 238 (R238H)
Ref Sequence ENSEMBL: ENSMUSP00000034851 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000034851] [ENSMUST00000214204]
AlphaFold Q8R4G9
Predicted Effect probably damaging
Transcript: ENSMUST00000034851
AA Change: R238H

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000034851
Gene: ENSMUSG00000032303
AA Change: R238H

DomainStartEndE-ValueType
signal peptide 1 30 N/A INTRINSIC
Pfam:Neur_chan_LBD 34 240 6.1e-77 PFAM
Pfam:Neur_chan_memb 247 494 7.5e-95 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000214204
AA Change: R238H

PolyPhen 2 Score 0.999 (Sensitivity: 0.14; Specificity: 0.99)
Meta Mutation Damage Score 0.9274 question?
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.4%
Validation Efficiency 95% (39/41)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This locus encodes a member of the nicotinic acetylcholine receptor family of proteins. Members of this family of proteins form pentameric complexes comprised of both alpha and beta subunits. This locus encodes an alpha-type subunit, as it contains characteristic adjacent cysteine residues. The encoded protein is a ligand-gated ion channel that likely plays a role in neurotransmission. Polymorphisms in this gene have been associated with an increased risk of smoking initiation and an increased susceptibility to lung cancer. Alternatively spliced transcript variants have been described. [provided by RefSeq, Nov 2009]
PHENOTYPE: Homozygotes for a targeted null mutation show high postnatal and postweaning mortality. Mutants show reduced bladder contractility resulting in enlarged bladder, infections and urinary stones. Eyes are small, with dilated ocular pupils. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 40 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Agbl1 A G 7: 76,075,669 (GRCm39) Y437C probably damaging Het
Apba2 T A 7: 64,345,207 (GRCm39) D132E probably damaging Het
Atp13a4 A G 16: 29,288,098 (GRCm39) S258P probably damaging Het
Bach2 T A 4: 32,575,301 (GRCm39) M509K possibly damaging Het
Ccdc186 T A 19: 56,788,561 (GRCm39) K549N probably damaging Het
Cntnap5b G A 1: 99,868,374 (GRCm39) C30Y probably damaging Het
Cplane1 A G 15: 8,216,342 (GRCm39) Q520R possibly damaging Het
Dnah11 T C 12: 117,951,411 (GRCm39) probably null Het
Ebna1bp2 T C 4: 118,478,174 (GRCm39) C16R probably benign Het
Grin2b A G 6: 135,751,826 (GRCm39) Y579H possibly damaging Het
Ifi206 C T 1: 173,309,137 (GRCm39) M286I probably benign Het
Itpr1 G A 6: 108,492,908 (GRCm39) V2478I probably benign Het
Lrrc37 T C 11: 103,511,950 (GRCm39) E6G unknown Het
Ltbp2 T C 12: 84,856,012 (GRCm39) S744G possibly damaging Het
Magi3 T A 3: 103,954,285 (GRCm39) N684I possibly damaging Het
Muc16 A G 9: 18,449,206 (GRCm39) probably null Het
Nphp4 G T 4: 152,622,558 (GRCm39) Q614H probably benign Het
Nprl3 A G 11: 32,217,509 (GRCm39) I11T probably damaging Het
Or51q1 G T 7: 103,628,771 (GRCm39) R124L possibly damaging Het
Pank2 T C 2: 131,104,627 (GRCm39) probably benign Het
Prss58 A T 6: 40,874,666 (GRCm39) N58K probably damaging Het
Ptk7 C T 17: 46,884,454 (GRCm39) V759M probably damaging Het
Rassf7 A G 7: 140,796,722 (GRCm39) T28A probably damaging Het
Rbm45 C T 2: 76,210,804 (GRCm39) T445I probably benign Het
Rsf1 ATGGCG ATGGCGACGGTGGCG 7: 97,229,111 (GRCm39) probably benign Het
Rsrc2 T G 5: 123,877,594 (GRCm39) probably benign Het
Saxo2 A T 7: 82,284,240 (GRCm39) I206N probably benign Het
Sh3d19 T A 3: 86,011,640 (GRCm39) Y409N probably damaging Het
Spata31d1a A T 13: 59,851,032 (GRCm39) N365K probably benign Het
Stkld1 C G 2: 26,833,922 (GRCm39) N136K probably benign Het
Tenm4 A G 7: 96,461,166 (GRCm39) D904G possibly damaging Het
Tmf1 G A 6: 97,138,408 (GRCm39) R837* probably null Het
Tnn T C 1: 159,948,278 (GRCm39) T812A possibly damaging Het
Trgj4 T C 13: 19,526,365 (GRCm39) L15P probably damaging Het
Trp53bp1 T C 2: 121,059,147 (GRCm39) I905V probably damaging Het
Ubr3 T C 2: 69,786,308 (GRCm39) probably benign Het
Zfp446 T C 7: 12,713,043 (GRCm39) L27P probably damaging Het
Zfp719 A G 7: 43,235,809 (GRCm39) D57G possibly damaging Het
Zfp747l1 T C 7: 126,985,766 (GRCm39) probably benign Het
Zfp978 G A 4: 147,475,284 (GRCm39) R277K probably benign Het
Other mutations in Chrna3
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02469:Chrna3 APN 9 54,923,290 (GRCm39) missense probably benign 0.01
IGL02484:Chrna3 APN 9 54,922,821 (GRCm39) missense probably damaging 1.00
R0494:Chrna3 UTSW 9 54,929,562 (GRCm39) missense probably damaging 1.00
R0538:Chrna3 UTSW 9 54,923,290 (GRCm39) missense probably benign 0.01
R0557:Chrna3 UTSW 9 54,923,149 (GRCm39) missense probably damaging 1.00
R0674:Chrna3 UTSW 9 54,922,456 (GRCm39) missense probably damaging 1.00
R1552:Chrna3 UTSW 9 54,923,192 (GRCm39) missense probably benign 0.16
R1750:Chrna3 UTSW 9 54,923,341 (GRCm39) missense probably damaging 1.00
R2191:Chrna3 UTSW 9 54,923,329 (GRCm39) missense probably damaging 1.00
R2989:Chrna3 UTSW 9 54,923,334 (GRCm39) missense probably damaging 1.00
R3114:Chrna3 UTSW 9 54,923,334 (GRCm39) missense probably damaging 1.00
R3153:Chrna3 UTSW 9 54,923,334 (GRCm39) missense probably damaging 1.00
R3154:Chrna3 UTSW 9 54,923,334 (GRCm39) missense probably damaging 1.00
R3434:Chrna3 UTSW 9 54,931,610 (GRCm39) missense possibly damaging 0.95
R3732:Chrna3 UTSW 9 54,923,178 (GRCm39) missense probably benign 0.00
R3732:Chrna3 UTSW 9 54,923,178 (GRCm39) missense probably benign 0.00
R3733:Chrna3 UTSW 9 54,923,178 (GRCm39) missense probably benign 0.00
R4758:Chrna3 UTSW 9 54,929,560 (GRCm39) missense probably damaging 1.00
R4903:Chrna3 UTSW 9 54,922,810 (GRCm39) missense probably benign 0.01
R5430:Chrna3 UTSW 9 54,920,192 (GRCm39) missense probably damaging 0.98
R5795:Chrna3 UTSW 9 54,922,552 (GRCm39) missense probably benign 0.17
R6546:Chrna3 UTSW 9 54,923,185 (GRCm39) missense probably damaging 1.00
R7516:Chrna3 UTSW 9 54,922,653 (GRCm39) missense probably benign 0.00
R7703:Chrna3 UTSW 9 54,923,408 (GRCm39) missense probably benign 0.00
R8053:Chrna3 UTSW 9 54,922,674 (GRCm39) missense probably benign 0.25
R8762:Chrna3 UTSW 9 54,922,995 (GRCm39) missense probably damaging 1.00
R9170:Chrna3 UTSW 9 54,933,671 (GRCm39) missense unknown
Predicted Primers PCR Primer
(F):5'- AAGGGATGGTCTCGGTGATC -3'
(R):5'- TCGATGTGACCTACTTCCCG -3'

Sequencing Primer
(F):5'- TCTCGGTGATCACGAGGAG -3'
(R):5'- ACTGCACCATGAAGTTCGG -3'
Posted On 2018-10-18