Incidental Mutation 'R6648:Chat'
ID 524382
Institutional Source Beutler Lab
Gene Symbol Chat
Ensembl Gene ENSMUSG00000021919
Gene Name choline acetyltransferase
Synonyms B230380D24Rik
MMRRC Submission 044769-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.902) question?
Stock # R6648 (G1)
Quality Score 225.009
Status Validated
Chromosome 14
Chromosomal Location 32130160-32187866 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to G at 32176651 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Glutamine to Proline at position 41 (Q41P)
Ref Sequence ENSEMBL: ENSMUSP00000070865 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000070125] [ENSMUST00000226351] [ENSMUST00000226365] [ENSMUST00000227579] [ENSMUST00000228256] [ENSMUST00000228420] [ENSMUST00000228511]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000070125
AA Change: Q41P

PolyPhen 2 Score 0.172 (Sensitivity: 0.92; Specificity: 0.87)
SMART Domains Protein: ENSMUSP00000070865
Gene: ENSMUSG00000021919
AA Change: Q41P

DomainStartEndE-ValueType
Pfam:Carn_acyltransf 24 612 5.5e-190 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000226351
Predicted Effect probably benign
Transcript: ENSMUST00000226365
AA Change: Q41P

PolyPhen 2 Score 0.061 (Sensitivity: 0.94; Specificity: 0.84)
Predicted Effect probably benign
Transcript: ENSMUST00000227579
AA Change: Q41P

PolyPhen 2 Score 0.061 (Sensitivity: 0.94; Specificity: 0.84)
Predicted Effect noncoding transcript
Transcript: ENSMUST00000227675
Predicted Effect probably benign
Transcript: ENSMUST00000228256
Predicted Effect probably benign
Transcript: ENSMUST00000228420
Predicted Effect probably benign
Transcript: ENSMUST00000228511
Meta Mutation Damage Score 0.1738 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.5%
  • 10x: 97.6%
  • 20x: 92.4%
Validation Efficiency 98% (42/43)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes an enzyme which catalyzes the biosynthesis of the neurotransmitter acetylcholine. This gene product is a characteristic feature of cholinergic neurons, and changes in these neurons may explain some of the symptoms of Alzheimer's disease. Polymorphisms in this gene have been associated with Alzheimer's disease and mild cognitive impairment. Mutations in this gene are associated with congenital myasthenic syndrome associated with episodic apnea. Multiple transcript variants encoding different isoforms have been found for this gene, and some of these variants have been shown to encode more than one isoform. [provided by RefSeq, May 2010]
PHENOTYPE: Homozygous mutation of this gene results in hyperinnervation of motor neurons, abnormal morphology and patterning of neuromuscular synapses, and perinatal lethality. Mutant fetuses at E18.5 exhibit a hunched position, reduced body length, and carpoptosis(drop wrist). [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 43 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aars2 T C 17: 45,827,490 (GRCm39) Y511H probably damaging Het
Arhgef38 A T 3: 132,838,236 (GRCm39) I600N probably damaging Het
Cacna1g A T 11: 94,323,395 (GRCm39) C1270S probably damaging Het
Ccar2 T G 14: 70,376,674 (GRCm39) D890A probably benign Het
Cep76 A T 18: 67,752,804 (GRCm39) V548D probably benign Het
Ddx24 T A 12: 103,374,634 (GRCm39) N850I probably benign Het
Dst A G 1: 34,301,122 (GRCm39) I5879V possibly damaging Het
Ece1 A G 4: 137,648,470 (GRCm39) T92A probably benign Het
Ecrg4 T A 1: 43,777,851 (GRCm39) F87I probably damaging Het
Fpgs G T 2: 32,574,799 (GRCm39) C439* probably null Het
H2-Q4 A T 17: 35,601,981 (GRCm39) E281V probably damaging Het
Hydin A G 8: 111,252,299 (GRCm39) probably null Het
Iqgap2 T C 13: 95,818,719 (GRCm39) E679G probably benign Het
Kif12 A T 4: 63,089,554 (GRCm39) probably null Het
Kif21b T C 1: 136,080,135 (GRCm39) V557A probably benign Het
Mki67 C G 7: 135,299,169 (GRCm39) S1955T probably damaging Het
Mybpc1 G A 10: 88,358,861 (GRCm39) T1110M probably damaging Het
Myh9 T C 15: 77,650,972 (GRCm39) H1625R probably benign Het
Nbeal2 G A 9: 110,466,710 (GRCm39) T704M probably damaging Het
Or1ad6 G A 11: 50,860,000 (GRCm39) D52N probably damaging Het
Or5a21 A T 19: 12,311,130 (GRCm39) M30K probably benign Het
Osbpl9 C A 4: 108,948,876 (GRCm39) Q91H possibly damaging Het
Pcsk5 A T 19: 17,553,185 (GRCm39) L665Q probably damaging Het
Pgm5 T C 19: 24,838,996 (GRCm39) D53G probably benign Het
Plcd4 A G 1: 74,591,172 (GRCm39) D189G probably benign Het
Plxnb1 A T 9: 108,933,398 (GRCm39) Q676L probably benign Het
Prss33 A G 17: 24,053,676 (GRCm39) S134P probably benign Het
Rln1 G T 19: 29,309,521 (GRCm39) T86K probably benign Het
Rnf213 G A 11: 119,370,746 (GRCm39) A4785T possibly damaging Het
Rsf1 GGCG GGCGACGGCCGCG 7: 97,229,113 (GRCm39) probably benign Het
Sh3tc2 T C 18: 62,148,111 (GRCm39) C1274R probably benign Het
Slc35a5 A T 16: 44,964,280 (GRCm39) F318I probably damaging Het
Slc41a3 T C 6: 90,596,490 (GRCm39) F20L probably damaging Het
Socs4 T A 14: 47,527,633 (GRCm39) N189K probably benign Het
Tiam2 A T 17: 3,557,148 (GRCm39) E1196V probably damaging Het
Tmc3 T A 7: 83,246,751 (GRCm39) V164D probably damaging Het
Trim46 T C 3: 89,142,549 (GRCm39) E623G possibly damaging Het
Ubr4 C A 4: 139,180,030 (GRCm39) C3403* probably null Het
Vmn1r194 A T 13: 22,428,694 (GRCm39) T104S probably benign Het
Vmn2r112 A T 17: 22,837,467 (GRCm39) I643F probably damaging Het
Zfp1002 T C 2: 150,097,097 (GRCm39) I111V probably benign Het
Zmynd11 T G 13: 9,763,057 (GRCm39) S95R probably benign Het
Zswim4 C A 8: 84,957,543 (GRCm39) R175L probably benign Het
Other mutations in Chat
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00861:Chat APN 14 32,170,980 (GRCm39) missense probably damaging 0.98
IGL01618:Chat APN 14 32,168,849 (GRCm39) splice site probably null
IGL02192:Chat APN 14 32,145,279 (GRCm39) missense possibly damaging 0.94
IGL02418:Chat APN 14 32,168,906 (GRCm39) missense possibly damaging 0.74
IGL02851:Chat APN 14 32,180,570 (GRCm39) missense probably benign
IGL02966:Chat APN 14 32,170,903 (GRCm39) missense probably damaging 1.00
IGL03401:Chat APN 14 32,174,526 (GRCm39) missense probably damaging 1.00
R0511:Chat UTSW 14 32,130,976 (GRCm39) missense probably damaging 1.00
R1462:Chat UTSW 14 32,142,735 (GRCm39) missense probably damaging 1.00
R1462:Chat UTSW 14 32,142,735 (GRCm39) missense probably damaging 1.00
R1729:Chat UTSW 14 32,168,752 (GRCm39) missense probably damaging 1.00
R1782:Chat UTSW 14 32,130,944 (GRCm39) missense probably damaging 1.00
R1972:Chat UTSW 14 32,146,148 (GRCm39) missense probably benign 0.03
R1973:Chat UTSW 14 32,146,148 (GRCm39) missense probably benign 0.03
R2061:Chat UTSW 14 32,168,830 (GRCm39) missense probably benign 0.00
R2270:Chat UTSW 14 32,176,538 (GRCm39) missense probably damaging 0.99
R4012:Chat UTSW 14 32,145,269 (GRCm39) missense possibly damaging 0.56
R4601:Chat UTSW 14 32,146,112 (GRCm39) missense probably benign 0.00
R4620:Chat UTSW 14 32,175,775 (GRCm39) missense probably damaging 1.00
R4760:Chat UTSW 14 32,175,694 (GRCm39) missense probably benign
R4885:Chat UTSW 14 32,176,567 (GRCm39) missense probably damaging 1.00
R4899:Chat UTSW 14 32,170,934 (GRCm39) missense possibly damaging 0.80
R4940:Chat UTSW 14 32,141,062 (GRCm39) missense probably damaging 1.00
R4960:Chat UTSW 14 32,142,771 (GRCm39) missense possibly damaging 0.86
R5094:Chat UTSW 14 32,130,896 (GRCm39) missense probably damaging 1.00
R6039:Chat UTSW 14 32,170,984 (GRCm39) missense probably damaging 1.00
R6039:Chat UTSW 14 32,170,984 (GRCm39) missense probably damaging 1.00
R6621:Chat UTSW 14 32,140,970 (GRCm39) missense probably damaging 0.97
R6980:Chat UTSW 14 32,146,111 (GRCm39) missense probably benign 0.15
R7203:Chat UTSW 14 32,141,014 (GRCm39) missense probably damaging 1.00
R7336:Chat UTSW 14 32,145,213 (GRCm39) splice site probably null
R7530:Chat UTSW 14 32,130,915 (GRCm39) nonsense probably null
R8782:Chat UTSW 14 32,146,155 (GRCm39) missense probably benign 0.00
R8941:Chat UTSW 14 32,130,963 (GRCm39) missense probably benign 0.43
R9496:Chat UTSW 14 32,148,119 (GRCm39) missense probably benign 0.00
R9560:Chat UTSW 14 32,170,942 (GRCm39) nonsense probably null
X0014:Chat UTSW 14 32,168,890 (GRCm39) missense probably benign 0.01
X0066:Chat UTSW 14 32,175,788 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CAAAAGTCTCTTGTCAGCTTCTG -3'
(R):5'- CGAAAACAGGAGGACCCTTC -3'

Sequencing Primer
(F):5'- GTCAGCTTCTGTCCAGGAAC -3'
(R):5'- GGAGGACCCTTCATTTATAATTCTGC -3'
Posted On 2018-06-22