Incidental Mutation 'R3983:Chrna2'
ID 350708
Institutional Source Beutler Lab
Gene Symbol Chrna2
Ensembl Gene ENSMUSG00000022041
Gene Name cholinergic receptor nicotinic alpha 2 subunit
Synonyms Acra-2, Acra2
MMRRC Submission 040944-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3983 (G1)
Quality Score 225
Status Validated
Chromosome 14
Chromosomal Location 66372488-66390397 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to T at 66386906 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Leucine at position 351 (V351L)
Ref Sequence ENSEMBL: ENSMUSP00000145896 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022620] [ENSMUST00000022622] [ENSMUST00000089250] [ENSMUST00000111121] [ENSMUST00000178730] [ENSMUST00000206455]
AlphaFold Q91X60
Predicted Effect probably benign
Transcript: ENSMUST00000022620
AA Change: V351L

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
SMART Domains Protein: ENSMUSP00000022620
Gene: ENSMUSG00000022041
AA Change: V351L

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 36 242 2.2e-81 PFAM
Pfam:Neur_chan_memb 249 503 5e-97 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000022622
SMART Domains Protein: ENSMUSP00000022622
Gene: ENSMUSG00000059456

DomainStartEndE-ValueType
B41 35 265 1.33e-45 SMART
TyrKc 425 679 1.46e-139 SMART
low complexity region 713 726 N/A INTRINSIC
Pfam:Focal_AT 870 1008 1.7e-67 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000089250
SMART Domains Protein: ENSMUSP00000086661
Gene: ENSMUSG00000059456

DomainStartEndE-ValueType
B41 35 265 1.33e-45 SMART
TyrKc 425 679 1.46e-139 SMART
low complexity region 713 726 N/A INTRINSIC
Pfam:Focal_AT 828 966 2e-68 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000111121
SMART Domains Protein: ENSMUSP00000106750
Gene: ENSMUSG00000059456

DomainStartEndE-ValueType
B41 35 265 1.33e-45 SMART
TyrKc 425 679 1.46e-139 SMART
low complexity region 713 726 N/A INTRINSIC
Pfam:Focal_AT 866 1004 1.1e-67 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000136216
Predicted Effect probably benign
Transcript: ENSMUST00000154865
SMART Domains Protein: ENSMUSP00000122683
Gene: ENSMUSG00000059456

DomainStartEndE-ValueType
Pfam:Pkinase_Tyr 1 83 8.5e-27 PFAM
low complexity region 117 130 N/A INTRINSIC
Pfam:Focal_AT 243 375 5e-57 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000178730
SMART Domains Protein: ENSMUSP00000137008
Gene: ENSMUSG00000059456

DomainStartEndE-ValueType
B41 35 265 1.33e-45 SMART
TyrKc 425 679 1.46e-139 SMART
low complexity region 713 726 N/A INTRINSIC
Pfam:Focal_AT 870 1002 2.1e-55 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000206455
AA Change: V351L

PolyPhen 2 Score 0.002 (Sensitivity: 0.99; Specificity: 0.30)
Meta Mutation Damage Score 0.1422 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.5%
Validation Efficiency 100% (65/65)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Nicotinic acetylcholine receptors (nAChRs) are ligand-gated ion channels formed by a pentameric arrangement of alpha and beta subunits to create distinct muscle and neuronal receptors. Neuronal receptors are found throughout the peripheral and central nervous system where they are involved in fast synaptic transmission. This gene encodes an alpha subunit that is widely expressed in the brain. The proposed structure for nAChR subunits is a conserved N-terminal extracellular domain followed by three conserved transmembrane domains, a variable cytoplasmic loop, a fourth conserved transmembrane domain, and a short C-terminal extracellular region. Mutations in this gene cause autosomal dominant nocturnal frontal lobe epilepsy type 4. Single nucleotide polymorphisms (SNPs) in this gene have been associated with nicotine dependence. [provided by RefSeq, Nov 2009]
PHENOTYPE: Mice homozygous for a targeted null mutation do not exhibit any significant abnormalities compared to controls. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700093K21Rik T A 11: 23,467,220 (GRCm39) N138Y possibly damaging Het
4921504E06Rik A G 2: 19,547,180 (GRCm39) probably null Het
Abcc6 T C 7: 45,644,713 (GRCm39) I821V probably benign Het
Adam34 G A 8: 44,103,806 (GRCm39) T613I probably benign Het
Ap2b1 C T 11: 83,281,542 (GRCm39) T816M probably damaging Het
Cct2 G A 10: 116,890,040 (GRCm39) P10L probably damaging Het
Cdc23 C A 18: 34,770,539 (GRCm39) probably benign Het
Clca3a1 T A 3: 144,461,070 (GRCm39) T194S probably benign Het
Col18a1 C A 10: 76,924,721 (GRCm39) D23Y probably damaging Het
Cyp2c50 A C 19: 40,101,962 (GRCm39) K400T possibly damaging Het
Cyp2c54 G T 19: 40,034,699 (GRCm39) Q324K possibly damaging Het
Dcpp2 T A 17: 24,119,547 (GRCm39) Y120* probably null Het
Ddx11 C T 17: 66,441,125 (GRCm39) R242W probably damaging Het
Dnah7b T A 1: 46,272,871 (GRCm39) V2333E possibly damaging Het
Duxf4 T A 10: 58,071,623 (GRCm39) N197I possibly damaging Het
Eno3 T A 11: 70,552,237 (GRCm39) F296L probably damaging Het
Flnc G A 6: 29,442,940 (GRCm39) V492M probably damaging Het
Gdap1 T G 1: 17,230,131 (GRCm39) probably benign Het
Gm1587 C T 14: 78,032,283 (GRCm39) E118K unknown Het
Gprin3 T C 6: 59,331,545 (GRCm39) E254G possibly damaging Het
Hcrt G A 11: 100,652,679 (GRCm39) R112C probably damaging Het
Hoxa4 A T 6: 52,167,657 (GRCm39) Y175N probably benign Het
Hydin G A 8: 111,118,957 (GRCm39) G504R probably damaging Het
Il1rl1 A G 1: 40,485,823 (GRCm39) R325G possibly damaging Het
Kcp A T 6: 29,484,636 (GRCm39) L1314Q probably damaging Het
Kdm5b C T 1: 134,559,042 (GRCm39) P1522L possibly damaging Het
Kmt2d T G 15: 98,743,927 (GRCm39) probably benign Het
Map3k20 C T 2: 72,268,571 (GRCm39) T526I probably damaging Het
Mfap2 A G 4: 140,741,554 (GRCm39) Q71R possibly damaging Het
Mme T A 3: 63,235,485 (GRCm39) Y178N probably damaging Het
Msr1 A G 8: 40,073,059 (GRCm39) V164A possibly damaging Het
Mybbp1a T C 11: 72,337,996 (GRCm39) V646A probably damaging Het
Mybpc3 A T 2: 90,965,714 (GRCm39) K1175N probably benign Het
Myo1c T A 11: 75,552,325 (GRCm39) L366Q probably benign Het
Or12d15 T C 17: 37,694,289 (GRCm39) V277A possibly damaging Het
Or1e22 A G 11: 73,376,961 (GRCm39) S230P possibly damaging Het
Or6f1 A G 7: 85,970,942 (GRCm39) Y73H probably damaging Het
Palmd T C 3: 116,717,472 (GRCm39) T342A probably benign Het
Pde4d A G 13: 109,876,940 (GRCm39) T29A probably benign Het
Rapgef5 A G 12: 117,692,405 (GRCm39) E563G possibly damaging Het
Rdh19 A G 10: 127,686,017 (GRCm39) N43S probably benign Het
Rnf44 A C 13: 54,830,961 (GRCm39) S98R probably damaging Het
Samhd1 C A 2: 156,965,369 (GRCm39) V149L possibly damaging Het
Scn4a G T 11: 106,238,644 (GRCm39) N214K probably damaging Het
Sh3bp4 A G 1: 89,073,591 (GRCm39) N813S probably benign Het
Sirt3 A T 7: 140,458,025 (GRCm39) C41* probably null Het
Speg C A 1: 75,399,191 (GRCm39) P2213T probably benign Het
Srcin1 T G 11: 97,416,379 (GRCm39) E951A probably damaging Het
Syn2 C G 6: 115,214,259 (GRCm39) T161S probably benign Het
Tbc1d4 T C 14: 101,744,649 (GRCm39) T326A probably benign Het
Tcstv2a G T 13: 120,725,815 (GRCm39) A160S possibly damaging Het
Tes T A 6: 17,099,700 (GRCm39) probably null Het
Thoc2l T C 5: 104,668,889 (GRCm39) V1137A probably benign Het
Tln1 T C 4: 43,553,030 (GRCm39) T354A probably damaging Het
Ttn G T 2: 76,632,705 (GRCm39) S12370R possibly damaging Het
Twsg1 T C 17: 66,236,758 (GRCm39) T91A probably benign Het
Vmn1r181 C T 7: 23,684,234 (GRCm39) T233I probably benign Het
Wee2 A T 6: 40,432,175 (GRCm39) N248I possibly damaging Het
Zfp740 G T 15: 102,116,678 (GRCm39) C56F probably benign Het
Other mutations in Chrna2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02738:Chrna2 APN 14 66,386,889 (GRCm39) missense probably benign 0.01
IGL03172:Chrna2 APN 14 66,379,688 (GRCm39) missense probably benign
IGL03268:Chrna2 APN 14 66,388,395 (GRCm39) splice site probably benign
IGL03344:Chrna2 APN 14 66,388,415 (GRCm39) missense probably damaging 0.99
intrepid UTSW 14 66,383,902 (GRCm39) missense probably damaging 1.00
PIT1430001:Chrna2 UTSW 14 66,387,186 (GRCm39) missense probably benign 0.01
R0511:Chrna2 UTSW 14 66,386,553 (GRCm39) missense probably damaging 1.00
R0631:Chrna2 UTSW 14 66,386,757 (GRCm39) missense probably benign 0.45
R1205:Chrna2 UTSW 14 66,380,812 (GRCm39) missense probably benign 0.00
R1485:Chrna2 UTSW 14 66,380,812 (GRCm39) missense probably benign 0.00
R1487:Chrna2 UTSW 14 66,380,812 (GRCm39) missense probably benign 0.00
R1513:Chrna2 UTSW 14 66,380,878 (GRCm39) missense probably benign 0.13
R2023:Chrna2 UTSW 14 66,379,677 (GRCm39) missense probably benign 0.25
R2094:Chrna2 UTSW 14 66,386,912 (GRCm39) missense possibly damaging 0.65
R2964:Chrna2 UTSW 14 66,386,817 (GRCm39) missense possibly damaging 0.82
R2966:Chrna2 UTSW 14 66,386,817 (GRCm39) missense possibly damaging 0.82
R3118:Chrna2 UTSW 14 66,388,442 (GRCm39) missense probably damaging 0.98
R3931:Chrna2 UTSW 14 66,387,216 (GRCm39) missense probably benign 0.26
R3979:Chrna2 UTSW 14 66,386,402 (GRCm39) missense probably damaging 1.00
R4080:Chrna2 UTSW 14 66,380,873 (GRCm39) nonsense probably null
R4080:Chrna2 UTSW 14 66,380,866 (GRCm39) missense probably benign 0.12
R4508:Chrna2 UTSW 14 66,383,902 (GRCm39) missense probably damaging 1.00
R4661:Chrna2 UTSW 14 66,386,292 (GRCm39) missense probably damaging 1.00
R4726:Chrna2 UTSW 14 66,386,345 (GRCm39) missense possibly damaging 0.85
R5349:Chrna2 UTSW 14 66,380,956 (GRCm39) missense probably damaging 0.99
R5787:Chrna2 UTSW 14 66,386,457 (GRCm39) missense probably benign 0.16
R6967:Chrna2 UTSW 14 66,388,398 (GRCm39) critical splice acceptor site probably null
R7218:Chrna2 UTSW 14 66,381,320 (GRCm39) splice site probably null
R7274:Chrna2 UTSW 14 66,386,675 (GRCm39) missense probably benign 0.03
R7565:Chrna2 UTSW 14 66,388,484 (GRCm39) missense probably benign
R7965:Chrna2 UTSW 14 66,388,525 (GRCm39) makesense probably null
R8337:Chrna2 UTSW 14 66,387,017 (GRCm39) nonsense probably null
R8955:Chrna2 UTSW 14 66,379,681 (GRCm39) missense probably benign 0.43
R9017:Chrna2 UTSW 14 66,386,282 (GRCm39) missense probably benign 0.40
Z1176:Chrna2 UTSW 14 66,386,753 (GRCm39) missense probably damaging 1.00
Z1177:Chrna2 UTSW 14 66,388,476 (GRCm39) missense probably null 1.00
Predicted Primers PCR Primer
(F):5'- AGATCACGCTGTGCATCTCG -3'
(R):5'- GAGGCCTGCACACATACATATG -3'

Sequencing Primer
(F):5'- TGCTGCTCATCACAGAAATTATCC -3'
(R):5'- AGGCCTGCACACATACATATGTTTTC -3'
Posted On 2015-10-08