Incidental Mutation 'R5556:Chrna4'
ID 435370
Institutional Source Beutler Lab
Gene Symbol Chrna4
Ensembl Gene ENSMUSG00000027577
Gene Name cholinergic receptor, nicotinic, alpha polypeptide 4
Synonyms a4 nicotinic receptor, Acra-4, alpha4-nAChR, Acra4, alpha4 nAChR
MMRRC Submission 043113-MU
Accession Numbers
Essential gene? Probably non essential (E-score: 0.172) question?
Stock # R5556 (G1)
Quality Score 225
Status Not validated
Chromosome 2
Chromosomal Location 180664104-180685339 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 180675773 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Alanine at position 110 (V110A)
Ref Sequence ENSEMBL: ENSMUSP00000104479 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000067120] [ENSMUST00000108851] [ENSMUST00000124400]
AlphaFold O70174
Predicted Effect possibly damaging
Transcript: ENSMUST00000067120
AA Change: V110A

PolyPhen 2 Score 0.938 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000066338
Gene: ENSMUSG00000027577
AA Change: V110A

DomainStartEndE-ValueType
signal peptide 1 30 N/A INTRINSIC
Pfam:Neur_chan_LBD 39 245 1.4e-76 PFAM
Pfam:Neur_chan_memb 252 620 1.9e-107 PFAM
Predicted Effect possibly damaging
Transcript: ENSMUST00000108851
AA Change: V110A

PolyPhen 2 Score 0.938 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000104479
Gene: ENSMUSG00000027577
AA Change: V110A

DomainStartEndE-ValueType
signal peptide 1 30 N/A INTRINSIC
Pfam:Neur_chan_LBD 39 245 8.4e-79 PFAM
Pfam:Neur_chan_memb 252 620 3.3e-112 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000124400
SMART Domains Protein: ENSMUSP00000123043
Gene: ENSMUSG00000027577

DomainStartEndE-ValueType
Pfam:Neur_chan_LBD 22 78 3.6e-19 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000135766
SMART Domains Protein: ENSMUSP00000125724
Gene: ENSMUSG00000027577

DomainStartEndE-ValueType
signal peptide 1 30 N/A INTRINSIC
Pfam:Neur_chan_LBD 39 130 9.2e-37 PFAM
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 98.4%
  • 20x: 95.3%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a nicotinic acetylcholine receptor, which belongs to a superfamily of ligand-gated ion channels that play a role in fast signal transmission at synapses. These pentameric receptors can bind acetylcholine, which causes an extensive change in conformation that leads to the opening of an ion-conducting channel across the plasma membrane. This protein is an integral membrane receptor subunit that can interact with either nAChR beta-2 or nAChR beta-4 to form a functional receptor. Mutations in this gene cause nocturnal frontal lobe epilepsy type 1. Polymorphisms in this gene that provide protection against nicotine addiction have been described. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Feb 2012]
PHENOTYPE: Nullizygous mice may show reduced chemically-elicited analgesia, susceptibility to seizures, increased anxiety, and altered behavioral responses to nicotine or a new environment. Homozygotes for any of several knock-in alleles exhibit altered nervous system physiology and/or sensitivity to nicotine. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4933427D14Rik T A 11: 72,066,026 (GRCm39) probably null Het
Abca13 A T 11: 9,208,546 (GRCm39) I240F possibly damaging Het
Accs A G 2: 93,666,428 (GRCm39) Y420H probably damaging Het
Aco2 T C 15: 81,773,520 (GRCm39) Y20H probably damaging Het
Adck2 T C 6: 39,560,869 (GRCm39) V419A probably benign Het
Bahd1 T A 2: 118,746,751 (GRCm39) N123K probably damaging Het
Cast A G 13: 74,844,008 (GRCm39) probably null Het
Cd164l2 T A 4: 132,951,016 (GRCm39) V157E probably damaging Het
Cdk11b C T 4: 155,718,604 (GRCm39) Q185* probably null Het
Ces2g T C 8: 105,694,074 (GRCm39) F470S probably benign Het
Cherp C G 8: 73,221,824 (GRCm39) Q313H probably damaging Het
Cndp2 A G 18: 84,690,249 (GRCm39) V231A probably benign Het
Cst7 A T 2: 150,412,488 (GRCm39) H17L probably benign Het
Decr1 C T 4: 15,919,244 (GRCm39) D300N probably damaging Het
Dennd4b G A 3: 90,175,675 (GRCm39) R148Q probably damaging Het
Dgkb T G 12: 38,177,363 (GRCm39) V230G probably damaging Het
Dis3l2 T C 1: 86,901,126 (GRCm39) V439A possibly damaging Het
Disp3 C T 4: 148,342,614 (GRCm39) G612D probably benign Het
Dock7 T C 4: 98,832,972 (GRCm39) T1962A probably damaging Het
Entrep2 A G 7: 64,505,957 (GRCm39) F96S probably damaging Het
Fibp T A 19: 5,514,227 (GRCm39) V304E possibly damaging Het
Flt3 T A 5: 147,269,807 (GRCm39) probably null Het
Kifc3 G A 8: 95,835,087 (GRCm39) Q233* probably null Het
Klhl42 C A 6: 147,009,610 (GRCm39) S483Y probably benign Het
Map3k19 G A 1: 127,762,284 (GRCm39) R276* probably null Het
Mecom A G 3: 30,292,249 (GRCm39) S87P probably damaging Het
Med13 A G 11: 86,218,664 (GRCm39) V416A probably benign Het
Mepe G A 5: 104,486,078 (GRCm39) G406D probably damaging Het
Met T G 6: 17,534,175 (GRCm39) L673V probably benign Het
Mlh3 A T 12: 85,315,267 (GRCm39) Y306* probably null Het
Nrxn2 C A 19: 6,540,121 (GRCm39) A814E probably damaging Het
Nsmaf C T 4: 6,398,621 (GRCm39) V828I probably benign Het
Or2j3 T A 17: 38,615,964 (GRCm39) K129N possibly damaging Het
Or9r7 A T 10: 129,962,728 (GRCm39) L66H probably damaging Het
Panx1 A G 9: 14,918,929 (GRCm39) I310T possibly damaging Het
Pcare T C 17: 72,059,420 (GRCm39) K86E possibly damaging Het
Pcdhb6 T A 18: 37,467,442 (GRCm39) L121Q probably damaging Het
Plekha7 G A 7: 115,763,384 (GRCm39) T406I probably benign Het
Prtg T C 9: 72,758,986 (GRCm39) S447P probably damaging Het
Ptprr A G 10: 116,087,054 (GRCm39) Y267C probably damaging Het
Rbpjl A G 2: 164,249,982 (GRCm39) T134A probably benign Het
Relch C A 1: 105,620,892 (GRCm39) Q456K probably benign Het
Rpe C A 1: 66,745,625 (GRCm39) T55N probably damaging Het
Scn1a T C 2: 66,155,141 (GRCm39) D606G probably benign Het
Setd5 T A 6: 113,124,463 (GRCm39) N1105K probably benign Het
Sh3d21 T C 4: 126,056,029 (GRCm39) N126D possibly damaging Het
Shank1 A G 7: 43,993,739 (GRCm39) probably benign Het
Srgap3 T A 6: 112,716,039 (GRCm39) D627V probably damaging Het
Tacc2 T A 7: 130,276,336 (GRCm39) S1796T probably damaging Het
Tmco3 G A 8: 13,344,870 (GRCm39) V217I probably damaging Het
Trgc4 A T 13: 19,536,477 (GRCm39) R178S unknown Het
Tspan10 A T 11: 120,335,541 (GRCm39) Y217F possibly damaging Het
Usp3 G A 9: 66,451,303 (GRCm39) T153M possibly damaging Het
Xdh G T 17: 74,204,759 (GRCm39) T1067K probably benign Het
Zfp334 T C 2: 165,222,504 (GRCm39) D513G probably benign Het
Other mutations in Chrna4
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00815:Chrna4 APN 2 180,671,184 (GRCm39) missense probably benign 0.09
IGL00914:Chrna4 APN 2 180,670,824 (GRCm39) missense probably damaging 1.00
IGL01511:Chrna4 APN 2 180,670,461 (GRCm39) missense probably benign 0.13
IGL02517:Chrna4 APN 2 180,670,926 (GRCm39) missense probably benign 0.01
IGL02715:Chrna4 APN 2 180,671,374 (GRCm39) unclassified probably benign
R1168:Chrna4 UTSW 2 180,675,931 (GRCm39) missense possibly damaging 0.61
R1475:Chrna4 UTSW 2 180,671,172 (GRCm39) missense probably benign 0.44
R1572:Chrna4 UTSW 2 180,671,100 (GRCm39) missense possibly damaging 0.95
R4428:Chrna4 UTSW 2 180,670,413 (GRCm39) missense probably damaging 0.99
R4429:Chrna4 UTSW 2 180,670,413 (GRCm39) missense probably damaging 0.99
R4431:Chrna4 UTSW 2 180,670,413 (GRCm39) missense probably damaging 0.99
R4494:Chrna4 UTSW 2 180,670,281 (GRCm39) missense probably damaging 0.98
R4664:Chrna4 UTSW 2 180,679,286 (GRCm39) missense probably damaging 1.00
R4666:Chrna4 UTSW 2 180,679,286 (GRCm39) missense probably damaging 1.00
R4931:Chrna4 UTSW 2 180,670,665 (GRCm39) missense probably benign 0.00
R5144:Chrna4 UTSW 2 180,666,623 (GRCm39) missense probably damaging 1.00
R5633:Chrna4 UTSW 2 180,671,253 (GRCm39) missense probably damaging 1.00
R5889:Chrna4 UTSW 2 180,670,451 (GRCm39) missense probably damaging 1.00
R6056:Chrna4 UTSW 2 180,671,235 (GRCm39) missense probably damaging 1.00
R6120:Chrna4 UTSW 2 180,666,599 (GRCm39) missense probably damaging 1.00
R7030:Chrna4 UTSW 2 180,671,334 (GRCm39) missense probably damaging 1.00
R7352:Chrna4 UTSW 2 180,679,267 (GRCm39) missense probably damaging 0.97
R7694:Chrna4 UTSW 2 180,660,386 (GRCm39) missense
R7945:Chrna4 UTSW 2 180,670,454 (GRCm39) missense probably benign 0.04
R8075:Chrna4 UTSW 2 180,680,859 (GRCm39) missense unknown
R8706:Chrna4 UTSW 2 180,679,307 (GRCm39) missense probably damaging 1.00
R9091:Chrna4 UTSW 2 180,670,643 (GRCm39) missense possibly damaging 0.79
R9138:Chrna4 UTSW 2 180,670,775 (GRCm39) missense probably damaging 0.97
R9154:Chrna4 UTSW 2 180,670,602 (GRCm39) missense probably damaging 0.99
R9270:Chrna4 UTSW 2 180,670,643 (GRCm39) missense possibly damaging 0.79
R9598:Chrna4 UTSW 2 180,679,264 (GRCm39) missense probably damaging 1.00
Z1177:Chrna4 UTSW 2 180,670,078 (GRCm39) missense possibly damaging 0.80
Z1177:Chrna4 UTSW 2 180,666,606 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ACAAGCAGAGCTGGAAGTCC -3'
(R):5'- CTTACTTGTGCCCTAGGATGAG -3'

Sequencing Primer
(F):5'- CTCCAGACTTGAGAGCAGGTATC -3'
(R):5'- CTTGTGCCCTAGGATGAGAAAAACC -3'
Posted On 2016-10-24