Incidental Mutation 'R3979:Chrna2'
ID 311208
Institutional Source Beutler Lab
Gene Symbol Chrna2
Ensembl Gene ENSMUSG00000022041
Gene Name cholinergic receptor nicotinic alpha 2 subunit
Synonyms Acra-2, Acra2
MMRRC Submission 040942-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R3979 (G1)
Quality Score 225
Status Not validated
Chromosome 14
Chromosomal Location 66372488-66390397 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to A at 66386402 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Tyrosine to Asparagine at position 183 (Y183N)
Ref Sequence ENSEMBL: ENSMUSP00000145896 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000022620] [ENSMUST00000022622] [ENSMUST00000089250] [ENSMUST00000111121] [ENSMUST00000178730] [ENSMUST00000206455]
AlphaFold Q91X60
Predicted Effect probably damaging
Transcript: ENSMUST00000022620
AA Change: Y183N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000022620
Gene: ENSMUSG00000022041
AA Change: Y183N

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 damaging
Transcript: ENSMUST00000206455
AA Change: Y183N

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.5%
  • 10x: 97.2%
  • 20x: 94.8%
Validation Efficiency
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcb11 A G 2: 69,154,320 (GRCm39) V82A probably benign Het
Adam28 A G 14: 68,848,443 (GRCm39) V671A probably benign Het
Ak3 T A 19: 29,025,118 (GRCm39) S38C probably damaging Het
Arfgef1 A G 1: 10,279,859 (GRCm39) V236A probably benign Het
Arhgap10 T C 8: 78,147,354 (GRCm39) N170S probably benign Het
B020004C17Rik G T 14: 57,254,645 (GRCm39) M156I possibly damaging Het
Bicral T A 17: 47,141,917 (GRCm39) M1L unknown Het
Bop1 A G 15: 76,338,076 (GRCm39) L598P probably damaging Het
Cachd1 A T 4: 100,828,085 (GRCm39) D611V probably damaging Het
Cfap70 T A 14: 20,489,787 (GRCm39) E246D probably benign Het
Chl1 T A 6: 103,692,245 (GRCm39) Y294* probably null Het
Dab2 A G 15: 6,464,644 (GRCm39) probably null Het
Dnajb6 T C 5: 29,956,006 (GRCm39) F46L possibly damaging Het
Exoc7 T C 11: 116,187,588 (GRCm39) E275G probably benign Het
Frem2 A G 3: 53,559,491 (GRCm39) I1672T probably benign Het
Gprc6a C A 10: 51,497,197 (GRCm39) V449L probably benign Het
H2-M10.4 A G 17: 36,772,877 (GRCm39) V35A probably benign Het
Hr A G 14: 70,801,024 (GRCm39) T699A probably benign Het
Iffo1 A G 6: 125,137,552 (GRCm39) probably benign Het
Iqgap1 G A 7: 80,409,682 (GRCm39) H218Y probably damaging Het
Itpr3 A C 17: 27,304,105 (GRCm39) K109Q probably benign Het
Itpr3 A G 17: 27,310,546 (GRCm39) D443G probably damaging Het
Katna1 T C 10: 7,628,518 (GRCm39) M249T probably damaging Het
Klk1b4 G A 7: 43,861,017 (GRCm39) G220D probably damaging Het
Krt24 A G 11: 99,173,596 (GRCm39) C242R probably benign Het
Madd G A 2: 91,007,173 (GRCm39) T313I possibly damaging Het
Man1c1 G C 4: 134,430,749 (GRCm39) P11R probably damaging Het
Mical2 A G 7: 112,006,885 (GRCm39) probably null Het
Neil3 T C 8: 54,076,699 (GRCm39) T79A probably damaging Het
Nras A G 3: 102,967,541 (GRCm39) I46V probably benign Het
Or2w1b T A 13: 21,300,031 (GRCm39) H56Q probably benign Het
Or4a66 T C 2: 88,530,792 (GRCm39) S294G probably benign Het
Ppfia2 A G 10: 106,666,490 (GRCm39) T399A possibly damaging Het
Rarres1 A G 3: 67,403,143 (GRCm39) V86A probably benign Het
Rdh19 A T 10: 127,685,944 (GRCm39) R19W possibly damaging Het
Rock2 A G 12: 17,022,737 (GRCm39) K1059E probably damaging Het
Sft2d1rt T A 11: 45,942,853 (GRCm39) K90M probably damaging Het
Sparcl1 T C 5: 104,240,647 (GRCm39) H259R probably benign Het
Spata31d1c A G 13: 65,182,974 (GRCm39) D172G possibly damaging Het
Stab2 T C 10: 86,699,320 (GRCm39) D515G possibly damaging Het
Sycp2l A G 13: 41,295,440 (GRCm39) I334M probably damaging Het
Tas2r103 A G 6: 133,013,280 (GRCm39) L262P probably benign Het
Tasor T C 14: 27,199,087 (GRCm39) L1335S possibly damaging Het
Tcaf2 A G 6: 42,619,481 (GRCm39) V182A probably damaging Het
Tcof1 C T 18: 60,964,605 (GRCm39) E674K possibly damaging Het
Trp63 A G 16: 25,639,490 (GRCm39) probably benign Het
Ttn A T 2: 76,575,738 (GRCm39) W25052R probably damaging Het
Ubr1 T A 2: 120,693,168 (GRCm39) N1746I probably benign Het
Vax2 T C 6: 83,714,529 (GRCm39) V148A probably damaging Het
Vmn2r112 T A 17: 22,822,096 (GRCm39) V258E probably damaging Het
Vmn2r96 T A 17: 18,817,941 (GRCm39) I698N probably damaging Het
Wdr90 A G 17: 26,078,252 (GRCm39) V372A probably benign Het
Zfp335 C T 2: 164,752,558 (GRCm39) G62D probably benign Het
Zfp563 G A 17: 33,324,701 (GRCm39) R432H probably benign Het
Zhx1 T C 15: 57,916,636 (GRCm39) T537A 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
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
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'- ATGCAGGATCCCAGCTTGTC -3'
(R):5'- CACACTCAGAGGGCAAGTAG -3'

Sequencing Primer
(F):5'- AGGATCCCAGCTTGTCTCCTC -3'
(R):5'- TGTAGAACAGCGGCAGCC -3'
Posted On 2015-04-29