Incidental Mutation 'R5787:Chrna2'
ID 448110
Institutional Source Beutler Lab
Gene Symbol Chrna2
Ensembl Gene ENSMUSG00000022041
Gene Name cholinergic receptor nicotinic alpha 2 subunit
Synonyms Acra-2, Acra2
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R5787 (G1)
Quality Score 225
Status Not validated
Chromosome 14
Chromosomal Location 66372488-66390397 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 66386457 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 201 (D201G)
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: D201G

PolyPhen 2 Score 0.162 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000022620
Gene: ENSMUSG00000022041
AA Change: D201G

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: D201G

PolyPhen 2 Score 0.162 (Sensitivity: 0.92; Specificity: 0.87)
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.7%
  • 10x: 97.4%
  • 20x: 95.5%
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: 61 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acot11 C T 4: 106,617,327 (GRCm39) G240R probably damaging Het
Adam24 A G 8: 41,133,941 (GRCm39) N470D possibly damaging Het
Adcy8 T C 15: 64,576,067 (GRCm39) D1027G probably damaging Het
Amph A T 13: 19,132,624 (GRCm39) I8F possibly damaging Het
Ankrd60 TGGCCACGCGG TGG 2: 173,419,882 (GRCm39) probably null Het
Ano5 G A 7: 51,216,066 (GRCm39) D348N possibly damaging Het
Atp6v0a1 A G 11: 100,909,400 (GRCm39) D43G probably benign Het
Bltp1 T C 3: 37,046,882 (GRCm39) probably null Het
Btnl10 T A 11: 58,811,169 (GRCm39) I164N probably damaging Het
Ccdc174 C T 6: 91,858,291 (GRCm39) Q71* probably null Het
Ceacam3 G A 7: 16,888,971 (GRCm39) E247K possibly damaging Het
Clasp2 G A 9: 113,691,310 (GRCm39) D448N probably damaging Het
Clcn2 C A 16: 20,522,183 (GRCm39) R829L probably damaging Het
Clock A G 5: 76,384,898 (GRCm39) S440P probably damaging Het
Cntn2 T C 1: 132,450,797 (GRCm39) D29G probably damaging Het
Cpne4 A G 9: 104,899,600 (GRCm39) T428A probably benign Het
Cul3 T C 1: 80,260,438 (GRCm39) I304V probably benign Het
Cyp11a1 C A 9: 57,922,550 (GRCm39) Q77K probably benign Het
Cyp3a25 A G 5: 145,935,313 (GRCm39) V101A probably benign Het
Cyp4f15 T C 17: 32,921,782 (GRCm39) F485L probably damaging Het
Des T A 1: 75,340,290 (GRCm39) V399E probably damaging Het
Dhx58 T C 11: 100,592,145 (GRCm39) D301G possibly damaging Het
Ear6 A G 14: 52,091,855 (GRCm39) E134G probably benign Het
Eif2b3 A G 4: 116,901,637 (GRCm39) D100G probably damaging Het
Erich1 T C 8: 14,083,776 (GRCm39) probably null Het
Gm4787 G C 12: 81,424,604 (GRCm39) T518S probably benign Het
Htr4 T C 18: 62,546,693 (GRCm39) V82A probably damaging Het
Hydin A G 8: 111,052,985 (GRCm39) D219G probably damaging Het
Ifit1 T A 19: 34,624,975 (GRCm39) V37E probably benign Het
Isg20 T A 7: 78,569,558 (GRCm39) D176E probably benign Het
Islr2 A G 9: 58,105,637 (GRCm39) V585A probably damaging Het
Kat6a A G 8: 23,422,663 (GRCm39) E991G probably damaging Het
Kcnv1 T C 15: 44,977,726 (GRCm39) Y104C probably damaging Het
Lrtm1 G C 14: 28,743,947 (GRCm39) E138D possibly damaging Het
Mllt3 A T 4: 87,759,057 (GRCm39) D330E probably damaging Het
Mpp7 T C 18: 7,461,682 (GRCm39) N64D probably benign Het
Naip6 G T 13: 100,436,724 (GRCm39) Q600K probably benign Het
Nop9 T G 14: 55,983,791 (GRCm39) C141G possibly damaging Het
Nos1ap T C 1: 170,146,141 (GRCm39) E471G probably benign Het
Npr2 A G 4: 43,633,593 (GRCm39) T246A possibly damaging Het
Or2t1 A C 14: 14,328,725 (GRCm38) M205L probably damaging Het
Or4a76 T A 2: 89,461,018 (GRCm39) I75F probably benign Het
Or6z1 A T 7: 6,504,989 (GRCm39) S79T probably damaging Het
Pdlim4 T A 11: 53,946,042 (GRCm39) D271V probably damaging Het
Pik3r6 T C 11: 68,430,753 (GRCm39) V518A possibly damaging Het
Rab5a C T 17: 53,804,650 (GRCm39) P87S probably damaging Het
Rbsn C T 6: 92,176,797 (GRCm39) V239I possibly damaging Het
Rsph14 T A 10: 74,793,460 (GRCm39) I314F possibly damaging Het
S1pr2 A T 9: 20,879,232 (GRCm39) S199T probably benign Het
Scrib A G 15: 75,931,151 (GRCm39) L902P probably damaging Het
Slc25a23 T C 17: 57,360,825 (GRCm39) T200A probably damaging Het
Slc8a1 A T 17: 81,696,166 (GRCm39) I956N probably damaging Het
Spef2 A G 15: 9,748,812 (GRCm39) V15A possibly damaging Het
Stim1 T A 7: 102,084,647 (GRCm39) V533E possibly damaging Het
Tbck A T 3: 132,443,329 (GRCm39) D585V probably damaging Het
Tpr T A 1: 150,271,037 (GRCm39) L80Q probably benign Het
Trim67 C T 8: 125,521,051 (GRCm39) R138* probably null Het
Ttn T C 2: 76,580,627 (GRCm39) N23422S probably damaging Het
Uba6 A G 5: 86,260,511 (GRCm39) *1023Q probably null Het
Vmn1r208 T C 13: 22,956,841 (GRCm39) N219D possibly damaging Het
Vmn1r8 T A 6: 57,013,244 (GRCm39) S98R 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
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'- AGTTTGCGGTGACCCACATG -3'
(R):5'- CACACTCAGAGGGCAAGTAG -3'

Sequencing Primer
(F):5'- GGTGACCCACATGACCAAGG -3'
(R):5'- CACTCAGAGGGCAAGTAGAACAC -3'
Posted On 2016-12-15