Incidental Mutation 'R6967:Chrna2'
ID 542075
Institutional Source Beutler Lab
Gene Symbol Chrna2
Ensembl Gene ENSMUSG00000022041
Gene Name cholinergic receptor nicotinic alpha 2 subunit
Synonyms Acra-2, Acra2
MMRRC Submission 045077-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R6967 (G1)
Quality Score 225.009
Status Validated
Chromosome 14
Chromosomal Location 66372488-66390397 bp(+) (GRCm39)
Type of Mutation critical splice acceptor site
DNA Base Change (assembly) A to T at 66388398 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change
Ref Sequence ENSEMBL: ENSMUSP00000145896 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022620] [ENSMUST00000022622] [ENSMUST00000089250] [ENSMUST00000111121] [ENSMUST00000178730] [ENSMUST00000206455]
AlphaFold Q91X60
Predicted Effect probably null
Transcript: ENSMUST00000022620
SMART Domains Protein: ENSMUSP00000022620
Gene: ENSMUSG00000022041

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 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 null
Transcript: ENSMUST00000206455
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.3%
Validation Efficiency 97% (56/58)
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: 57 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930516K23Rik A G 7: 103,708,212 (GRCm39) I199T probably benign Het
Adam23 T G 1: 63,602,495 (GRCm39) probably null Het
Adamts8 C T 9: 30,865,787 (GRCm39) T445I probably benign Het
Ahi1 T C 10: 20,864,524 (GRCm39) V752A probably damaging Het
Arfgef1 T C 1: 10,223,903 (GRCm39) Q1465R probably damaging Het
Arfgef1 G T 1: 10,223,904 (GRCm39) Q1465K probably damaging Het
Bicra T C 7: 15,706,130 (GRCm39) E1437G probably damaging Het
Cdc42ep4 C T 11: 113,619,998 (GRCm39) S131N possibly damaging Het
Ces1f G A 8: 93,994,625 (GRCm39) P262L probably benign Het
Cspg4 G A 9: 56,797,420 (GRCm39) V1295M possibly damaging Het
D5Ertd579e T C 5: 36,773,100 (GRCm39) T432A probably benign Het
Dach1 A T 14: 98,140,633 (GRCm39) S456R probably damaging Het
Dhx37 T C 5: 125,499,231 (GRCm39) D659G probably benign Het
Dscaml1 T C 9: 45,585,821 (GRCm39) V586A probably damaging Het
Efhb G T 17: 53,770,196 (GRCm39) L38I probably benign Het
Fbxw10 T C 11: 62,738,429 (GRCm39) S108P possibly damaging Het
Fmnl2 A G 2: 52,987,344 (GRCm39) N313S possibly damaging Het
Gga3 T C 11: 115,482,102 (GRCm39) E172G probably damaging Het
Ggta1 A G 2: 35,292,734 (GRCm39) V191A possibly damaging Het
Golm1 ACTTCTTCT ACTTCT 13: 59,797,390 (GRCm39) probably benign Het
Hcn4 C T 9: 58,731,228 (GRCm39) T145M unknown Het
Kirrel3 T C 9: 34,946,202 (GRCm39) S654P probably damaging Het
Klrb1 A T 6: 128,687,486 (GRCm39) probably null Het
Krt15 T A 11: 100,025,339 (GRCm39) D166V probably damaging Het
Lipk T A 19: 34,017,794 (GRCm39) Y277* probably null Het
Ly6g A C 15: 75,030,398 (GRCm39) N49T possibly damaging Het
Ms4a4c A T 19: 11,392,191 (GRCm39) Q4L probably benign Het
Nfya A C 17: 48,699,932 (GRCm39) probably benign Het
Nub1 T C 5: 24,913,709 (GRCm39) V530A probably benign Het
Ocln A T 13: 100,675,796 (GRCm39) Y232* probably null Het
Or10ag59 A G 2: 87,405,857 (GRCm39) N143S possibly damaging Het
Or2r2 A G 6: 42,463,947 (GRCm39) F60S probably damaging Het
Or4d2b C T 11: 87,780,324 (GRCm39) V133I probably benign Het
Or5b114-ps1 A G 19: 13,352,815 (GRCm39) H163R unknown Het
Otogl G A 10: 107,649,911 (GRCm39) A1148V probably benign Het
Paqr5 C T 9: 61,880,113 (GRCm39) W46* probably null Het
Psd2 C A 18: 36,113,385 (GRCm39) L286M probably damaging Het
Ptpn4 A T 1: 119,612,311 (GRCm39) Y27* probably null Het
Ripk2 A G 4: 16,158,275 (GRCm39) probably null Het
Rsf1 G GACGGCGGCA 7: 97,229,116 (GRCm39) probably benign Het
Sbk2 C T 7: 4,967,146 (GRCm39) probably null Het
Sec16a G A 2: 26,320,498 (GRCm39) R1361C probably damaging Het
Sspo A C 6: 48,466,728 (GRCm39) D4072A probably benign Het
St6galnac3 T C 3: 152,912,345 (GRCm39) Y214C probably damaging Het
Sugp1 T A 8: 70,513,202 (GRCm39) D256E possibly damaging Het
Sugt1 A G 14: 79,834,847 (GRCm39) Y90C probably benign Het
Taok2 A G 7: 126,469,564 (GRCm39) I1088T probably damaging Het
Tasor2 A T 13: 3,624,819 (GRCm39) D1710E probably benign Het
Tmc7 T A 7: 118,146,901 (GRCm39) T459S probably benign Het
Tmed11 T C 5: 108,926,780 (GRCm39) Y164C probably damaging Het
Tmem275 A G 4: 115,755,491 (GRCm39) T97A unknown Het
Tmem63b T C 17: 45,977,558 (GRCm39) E356G probably benign Het
Ttc13 T C 8: 125,415,357 (GRCm39) I261V probably benign Het
Ugt1a10 C T 1: 88,142,845 (GRCm39) P113L probably damaging Het
Vmn1r73 A T 7: 11,490,544 (GRCm39) K121* probably null Het
Zc3h12d A T 10: 7,715,644 (GRCm39) S16C probably damaging Het
Zfp292 A T 4: 34,807,812 (GRCm39) M1744K probably damaging 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
R3983:Chrna2 UTSW 14 66,386,906 (GRCm39) missense probably benign 0.00
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
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'- AGCCTAGCAGTATGTGGAAATG -3'
(R):5'- TGGCTCCAGTCACAGAAGAG -3'

Sequencing Primer
(F):5'- ATTCCCAGGGATGTATCAGCC -3'
(R):5'- AGAGCAGAAGATGGTTGTCC -3'
Posted On 2018-11-28