Incidental Mutation 'R5094:Chat'
ID 388004
Institutional Source Beutler Lab
Gene Symbol Chat
Ensembl Gene ENSMUSG00000021919
Gene Name choline acetyltransferase
Synonyms B230380D24Rik
MMRRC Submission 042683-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.899) question?
Stock # R5094 (G1)
Quality Score 225
Status Validated
Chromosome 14
Chromosomal Location 32408203-32465989 bp(-) (GRCm38)
Type of Mutation missense
DNA Base Change (assembly) T to A at 32408939 bp (GRCm38)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Phenylalanine at position 582 (I582F)
Ref Sequence ENSEMBL: ENSMUSP00000070865 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000070125]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000070125
AA Change: I582F

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000070865
Gene: ENSMUSG00000021919
AA Change: I582F

DomainStartEndE-ValueType
Pfam:Carn_acyltransf 24 612 5.5e-190 PFAM
Meta Mutation Damage Score 0.6120 question?
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 92.9%
Validation Efficiency 91% (40/44)
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: 33 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930407I10Rik G T 15: 82,062,682 (GRCm38) G260V possibly damaging Het
Agap3 T C 5: 24,451,321 (GRCm38) probably benign Het
Bicra A G 7: 15,975,371 (GRCm38) S1173P probably damaging Het
C3 A T 17: 57,225,033 (GRCm38) probably null Het
Cdh18 G A 15: 22,714,539 (GRCm38) probably benign Het
Cep290 A G 10: 100,567,030 (GRCm38) K2274E probably damaging Het
Cfap54 T C 10: 92,898,999 (GRCm38) probably benign Het
Chrnb4 T C 9: 55,035,313 (GRCm38) I226V probably benign Het
Dnajc2 T C 5: 21,776,732 (GRCm38) T139A probably damaging Het
Eml1 T C 12: 108,536,311 (GRCm38) F712S probably benign Het
Fgfr1 C T 8: 25,570,165 (GRCm38) S524L probably damaging Het
Gimap3 T C 6: 48,765,372 (GRCm38) E208G probably damaging Het
Gm12185 T A 11: 48,907,548 (GRCm38) D706V probably benign Het
Gucy1a2 T A 9: 3,865,443 (GRCm38) V639D probably damaging Het
Hivep2 T C 10: 14,132,149 (GRCm38) F1497S probably benign Het
Hunk A G 16: 90,496,666 (GRCm38) D612G probably benign Het
Ifit3b T A 19: 34,612,548 (GRCm38) S375T possibly damaging Het
Mucl1 A G 15: 103,755,403 (GRCm38) S13P possibly damaging Het
Olfr1051 T A 2: 86,276,040 (GRCm38) Y149F probably damaging Het
Olfr1135 C T 2: 87,671,830 (GRCm38) C179Y possibly damaging Het
Pah T A 10: 87,538,219 (GRCm38) Y78* probably null Het
Pex13 A G 11: 23,655,441 (GRCm38) V263A probably benign Het
Pfdn2 T A 1: 171,356,499 (GRCm38) probably benign Het
Phip C T 9: 82,871,844 (GRCm38) V1616I probably benign Het
Pigg A G 5: 108,336,257 (GRCm38) S457G possibly damaging Het
Ppp1r13b A G 12: 111,843,610 (GRCm38) S97P probably benign Het
Slc22a6 T C 19: 8,626,177 (GRCm38) L535P probably damaging Het
Slc5a1 A G 5: 33,158,280 (GRCm38) T548A probably damaging Het
Smtnl2 T A 11: 72,400,385 (GRCm38) S346C probably damaging Het
Spata31d1a A G 13: 59,705,044 (GRCm38) probably null Het
Tlcd2 T C 11: 75,469,814 (GRCm38) S228P probably benign Het
Tmem135 A G 7: 89,143,793 (GRCm38) L411P probably damaging Het
Tnrc6c T C 11: 117,721,046 (GRCm38) V170A probably benign Het
Other mutations in Chat
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00861:Chat APN 14 32,449,023 (GRCm38) missense probably damaging 0.98
IGL01618:Chat APN 14 32,446,892 (GRCm38) splice site probably null
IGL02192:Chat APN 14 32,423,322 (GRCm38) missense possibly damaging 0.94
IGL02418:Chat APN 14 32,446,949 (GRCm38) missense possibly damaging 0.74
IGL02851:Chat APN 14 32,458,613 (GRCm38) missense probably benign
IGL02966:Chat APN 14 32,448,946 (GRCm38) missense probably damaging 1.00
IGL03401:Chat APN 14 32,452,569 (GRCm38) missense probably damaging 1.00
R0511:Chat UTSW 14 32,409,019 (GRCm38) missense probably damaging 1.00
R1462:Chat UTSW 14 32,420,778 (GRCm38) missense probably damaging 1.00
R1462:Chat UTSW 14 32,420,778 (GRCm38) missense probably damaging 1.00
R1729:Chat UTSW 14 32,446,795 (GRCm38) missense probably damaging 1.00
R1782:Chat UTSW 14 32,408,987 (GRCm38) missense probably damaging 1.00
R1972:Chat UTSW 14 32,424,191 (GRCm38) missense probably benign 0.03
R1973:Chat UTSW 14 32,424,191 (GRCm38) missense probably benign 0.03
R2061:Chat UTSW 14 32,446,873 (GRCm38) missense probably benign 0.00
R2270:Chat UTSW 14 32,454,581 (GRCm38) missense probably damaging 0.99
R4012:Chat UTSW 14 32,423,312 (GRCm38) missense possibly damaging 0.56
R4601:Chat UTSW 14 32,424,155 (GRCm38) missense probably benign 0.00
R4620:Chat UTSW 14 32,453,818 (GRCm38) missense probably damaging 1.00
R4760:Chat UTSW 14 32,453,737 (GRCm38) missense probably benign
R4885:Chat UTSW 14 32,454,610 (GRCm38) missense probably damaging 1.00
R4899:Chat UTSW 14 32,448,977 (GRCm38) missense possibly damaging 0.80
R4940:Chat UTSW 14 32,419,105 (GRCm38) missense probably damaging 1.00
R4960:Chat UTSW 14 32,420,814 (GRCm38) missense possibly damaging 0.86
R6039:Chat UTSW 14 32,449,027 (GRCm38) missense probably damaging 1.00
R6039:Chat UTSW 14 32,449,027 (GRCm38) missense probably damaging 1.00
R6621:Chat UTSW 14 32,419,013 (GRCm38) missense probably damaging 0.97
R6648:Chat UTSW 14 32,454,694 (GRCm38) missense probably benign 0.17
R6980:Chat UTSW 14 32,424,154 (GRCm38) missense probably benign 0.15
R7203:Chat UTSW 14 32,419,057 (GRCm38) missense probably damaging 1.00
R7336:Chat UTSW 14 32,423,256 (GRCm38) splice site probably null
R7530:Chat UTSW 14 32,408,958 (GRCm38) nonsense probably null
R8782:Chat UTSW 14 32,424,198 (GRCm38) missense probably benign 0.00
R8941:Chat UTSW 14 32,409,006 (GRCm38) missense probably benign 0.43
R9496:Chat UTSW 14 32,426,162 (GRCm38) missense probably benign 0.00
R9560:Chat UTSW 14 32,448,985 (GRCm38) nonsense probably null
X0014:Chat UTSW 14 32,446,933 (GRCm38) missense probably benign 0.01
X0066:Chat UTSW 14 32,453,831 (GRCm38) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ACATTGGCTAGTGGGAGTAGTC -3'
(R):5'- TGTCCAATCATGCATGCCAAC -3'

Sequencing Primer
(F):5'- CTAGTGGGAGTAGTCAAGATTGC -3'
(R):5'- TCTACAGAGTGAGTTTCAGGACAGC -3'
Posted On 2016-06-06