Incidental Mutation 'R5430:Chrna3'
ID 427135
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 042996-MU
Accession Numbers
Essential gene? Possibly non essential (E-score: 0.315) question?
Stock # R5430 (G1)
Quality Score 225
Status Validated
Chromosome 9
Chromosomal Location 54917401-54933846 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 54920192 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 470 (V470I)
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: V470I

PolyPhen 2 Score 0.981 (Sensitivity: 0.75; Specificity: 0.96)
SMART Domains Protein: ENSMUSP00000034851
Gene: ENSMUSG00000032303
AA Change: V470I

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 benign
Transcript: ENSMUST00000214204
Meta Mutation Damage Score 0.2633 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.5%
  • 10x: 97.0%
  • 20x: 94.7%
Validation Efficiency 96% (54/56)
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: 49 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700001J11Rik T A 9: 39,963,587 (GRCm39) noncoding transcript Het
Acot11 C T 4: 106,617,327 (GRCm39) G240R probably damaging Het
Ankrd34a G A 3: 96,504,837 (GRCm39) G14R probably damaging Het
Arhgef1 C A 7: 24,611,732 (GRCm39) probably null Het
Brsk1 T C 7: 4,713,435 (GRCm39) F702L probably benign Het
Cpm A G 10: 117,511,986 (GRCm39) Q310R possibly damaging Het
Dennd5a T C 7: 109,533,447 (GRCm39) T108A probably damaging Het
Dvl3 C T 16: 20,342,481 (GRCm39) R145W probably damaging Het
E4f1 G A 17: 24,663,944 (GRCm39) A532V probably damaging Het
Eid1 A G 2: 125,515,550 (GRCm39) T147A probably damaging Het
Eipr1 A T 12: 28,913,015 (GRCm39) N239Y probably damaging Het
Eml5 T C 12: 98,760,417 (GRCm39) I1777M probably damaging Het
Gm11787 A T 4: 3,512,786 (GRCm39) noncoding transcript Het
Gnat2 T C 3: 108,005,716 (GRCm39) L227P probably damaging Het
H2-T15 C T 17: 36,366,967 (GRCm39) V359I probably benign Het
Jag1 T C 2: 136,943,626 (GRCm39) H190R possibly damaging Het
Kdm7a A G 6: 39,126,276 (GRCm39) W570R possibly damaging Het
Lmbrd1 A G 1: 24,732,061 (GRCm39) T93A possibly damaging Het
Lrch4 T C 5: 137,636,795 (GRCm39) S433P possibly damaging Het
Lrp1 G A 10: 127,376,930 (GRCm39) R4216W probably damaging Het
Magohb A G 6: 131,266,381 (GRCm39) Y42H probably damaging Het
Melk A G 4: 44,309,033 (GRCm39) H130R probably damaging Het
Mettl24 G T 10: 40,613,780 (GRCm39) R173L probably benign Het
Mup4 A T 4: 59,960,044 (GRCm39) H73Q probably damaging Het
Mylk2 A T 2: 152,759,468 (GRCm39) E386V probably damaging Het
Nppb C T 4: 148,070,838 (GRCm39) P71L probably benign Het
Oca2 T C 7: 55,945,208 (GRCm39) V272A probably damaging Het
Or14j6 T A 17: 38,215,304 (GRCm39) I289N probably damaging Het
Or2t6 C T 14: 14,175,692 (GRCm38) R130H probably benign Het
Or4c10 A T 2: 89,760,257 (GRCm39) I35F probably benign Het
Osbpl6 T C 2: 76,416,482 (GRCm39) S628P probably damaging Het
Papola T C 12: 105,775,843 (GRCm39) V253A probably damaging Het
Pex12 T C 11: 83,188,572 (GRCm39) D141G probably damaging Het
Ppm1k A T 6: 57,501,871 (GRCm39) C97* probably null Het
Ptprh T A 7: 4,554,046 (GRCm39) E807V probably damaging Het
Sema3a A T 5: 13,615,730 (GRCm39) T385S probably damaging Het
Sfn T C 4: 133,328,938 (GRCm39) Y48C probably damaging Het
Slc38a8 A G 8: 120,220,959 (GRCm39) I200T probably benign Het
Smarcal1 T C 1: 72,665,776 (GRCm39) V758A probably damaging Het
Stmn4 A G 14: 66,595,463 (GRCm39) M190V possibly damaging Het
Syt3 T G 7: 44,040,337 (GRCm39) L190R possibly damaging Het
Tbl1xr1 T A 3: 22,246,246 (GRCm39) D255E probably benign Het
Ttbk2 C T 2: 120,608,046 (GRCm39) R191H probably damaging Het
Vmn1r238 G T 18: 3,122,521 (GRCm39) L298M possibly damaging Het
Vmn2r45 A C 7: 8,486,333 (GRCm39) Y318* probably null Het
Vsig8 T C 1: 172,387,196 (GRCm39) I24T probably damaging Het
Wdr3 G A 3: 100,064,643 (GRCm39) T166I possibly damaging Het
Zfp354c A G 11: 50,706,022 (GRCm39) I351T probably benign Het
Zfp52 A G 17: 21,775,329 (GRCm39) T8A 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
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
R6806:Chrna3 UTSW 9 54,923,094 (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'- GCTATTGAGAAAGTGCCCTTG -3'
(R):5'- CTGTTTCTCCACTACATGAAACTTG -3'

Sequencing Primer
(F):5'- GCATCAGCACAGGTGAGC -3'
(R):5'- TGCTCCAGGGAAAATGGTCCATC -3'
Posted On 2016-09-01