Incidental Mutation 'IGL01511:Chrna4'
ID 89211
Institutional Source Australian Phenomics Network (link to record)
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
Accession Numbers
Essential gene? Probably non essential (E-score: 0.172) question?
Stock # IGL01511
Quality Score
Status
Chromosome 2
Chromosomal Location 180664104-180685339 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to T at 180670461 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Isoleucine at position 432 (V432I)
Ref Sequence ENSEMBL: ENSMUSP00000104479 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000067120] [ENSMUST00000108851]
AlphaFold O70174
Predicted Effect probably benign
Transcript: ENSMUST00000067120
AA Change: V432I

PolyPhen 2 Score 0.069 (Sensitivity: 0.94; Specificity: 0.84)
SMART Domains Protein: ENSMUSP00000066338
Gene: ENSMUSG00000027577
AA Change: V432I

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 probably benign
Transcript: ENSMUST00000108851
AA Change: V432I

PolyPhen 2 Score 0.129 (Sensitivity: 0.93; Specificity: 0.86)
SMART Domains Protein: ENSMUSP00000104479
Gene: ENSMUSG00000027577
AA Change: V432I

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 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
Predicted Effect probably benign
Transcript: ENSMUST00000198922
Coding Region Coverage
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: 56 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca6 A T 11: 110,135,136 (GRCm39) D216E probably benign Het
Abcc4 C A 14: 118,836,753 (GRCm39) L669F probably benign Het
Adam29 C T 8: 56,324,456 (GRCm39) G666D probably damaging Het
Adat2 T G 10: 13,435,982 (GRCm39) M109R probably null Het
Atf3 T A 1: 190,903,693 (GRCm39) T178S probably benign Het
Birc6 T A 17: 74,933,998 (GRCm39) Y2522* probably null Het
Ccr8 G A 9: 119,923,691 (GRCm39) G269R probably damaging Het
Ces1a G T 8: 93,771,726 (GRCm39) P24T probably damaging Het
Commd8 A G 5: 72,322,722 (GRCm39) V65A probably benign Het
Cyp2j13 A G 4: 95,965,552 (GRCm39) F52L possibly damaging Het
Desi1 T A 15: 81,886,789 (GRCm39) K45* probably null Het
Dmbt1 T A 7: 130,718,457 (GRCm39) M1552K possibly damaging Het
Dna2 G A 10: 62,791,093 (GRCm39) M197I possibly damaging Het
Dnah7a A C 1: 53,458,754 (GRCm39) L3795V probably damaging Het
Dnai4 T C 4: 102,905,558 (GRCm39) D741G possibly damaging Het
Fam221b T C 4: 43,660,135 (GRCm39) probably null Het
Fbxw18 A T 9: 109,517,889 (GRCm39) S366T possibly damaging Het
Fzd8 A G 18: 9,213,293 (GRCm39) Y125C unknown Het
Gcsam T C 16: 45,436,315 (GRCm39) Y11H probably damaging Het
Gucy2f G T X: 140,944,730 (GRCm39) D410E probably damaging Het
Hdac3 C T 18: 38,085,648 (GRCm39) A53T probably benign Het
Lamp2 A G X: 37,520,752 (GRCm39) L244P probably damaging Het
Lrrk1 A T 7: 65,915,198 (GRCm39) F1630Y possibly damaging Het
M1ap C A 6: 83,005,393 (GRCm39) D434E probably benign Het
Mcmbp A G 7: 128,308,888 (GRCm39) Y378H probably damaging Het
Mvb12a T A 8: 71,997,946 (GRCm39) V120E probably damaging Het
Nbeal2 A C 9: 110,458,302 (GRCm39) W2063G probably damaging Het
Neto1 A C 18: 86,414,033 (GRCm39) H9P possibly damaging Het
Nmu C T 5: 76,488,668 (GRCm39) V126M probably damaging Het
Odf2 T C 2: 29,804,321 (GRCm39) probably benign Het
Or2y15 A G 11: 49,351,043 (GRCm39) E179G probably damaging Het
Pdzrn3 T C 6: 101,130,217 (GRCm39) H533R possibly damaging Het
Pikfyve G T 1: 65,298,028 (GRCm39) E1586* probably null Het
Plcb3 C A 19: 6,933,211 (GRCm39) R970L probably damaging Het
Plxna3 A G X: 73,378,914 (GRCm39) E686G probably damaging Het
Polrmt T A 10: 79,575,985 (GRCm39) Y586F probably benign Het
Ppt1 T A 4: 122,748,218 (GRCm39) F225I probably damaging Het
Prcc T G 3: 87,779,548 (GRCm39) D162A probably damaging Het
Ripor1 T C 8: 106,346,562 (GRCm39) probably benign Het
Rnaseh1 A G 12: 28,709,008 (GRCm39) H263R probably damaging Het
Rnf19b T A 4: 128,974,211 (GRCm39) S490R probably damaging Het
Slc15a2 T A 16: 36,605,088 (GRCm39) T23S probably damaging Het
Slc34a1 T C 13: 24,003,121 (GRCm39) probably null Het
Slc35f4 T C 14: 49,536,334 (GRCm39) M434V probably benign Het
Slc52a3 C T 2: 151,846,564 (GRCm39) T175I probably benign Het
Slc5a2 C T 7: 127,869,794 (GRCm39) T409M probably benign Het
Tbc1d24 A G 17: 24,400,892 (GRCm39) S108P probably benign Het
Thnsl2 T G 6: 71,116,777 (GRCm39) Q125P probably benign Het
Ttc13 T C 8: 125,403,110 (GRCm39) D672G probably damaging Het
Ttn G T 2: 76,584,089 (GRCm39) H14013N possibly damaging Het
Unc5a T C 13: 55,152,629 (GRCm39) F792L probably damaging Het
Vac14 T C 8: 111,439,430 (GRCm39) V669A possibly damaging Het
Vmn1r13 A T 6: 57,187,314 (GRCm39) M158L probably benign Het
Vmn1r220 A T 13: 23,368,384 (GRCm39) V104D probably damaging Het
Zfp738 A T 13: 67,831,520 (GRCm39) probably null Het
Zscan5b A C 7: 6,234,421 (GRCm39) H149P 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
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
R5556:Chrna4 UTSW 2 180,675,773 (GRCm39) missense possibly damaging 0.94
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
Posted On 2013-12-03