Incidental Mutation 'R9496:Chat'
ID 717236
Institutional Source Beutler Lab
Gene Symbol Chat
Ensembl Gene ENSMUSG00000021919
Gene Name choline acetyltransferase
Synonyms B230380D24Rik
MMRRC Submission
Accession Numbers
Essential gene? Probably essential (E-score: 0.902) question?
Stock # R9496 (G1)
Quality Score 225.009
Status Not validated
Chromosome 14
Chromosomal Location 32130160-32187866 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 32148119 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Cysteine to Phenylalanine at position 306 (C306F)
Ref Sequence ENSEMBL: ENSMUSP00000070865 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000070125]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000070125
AA Change: C306F

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000070865
Gene: ENSMUSG00000021919
AA Change: C306F

DomainStartEndE-ValueType
Pfam:Carn_acyltransf 24 612 5.5e-190 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency
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: 52 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Atg2a A T 19: 6,310,022 (GRCm39) Q1735L possibly damaging Het
Brpf3 A G 17: 29,040,453 (GRCm39) D958G probably benign Het
Cacna1g A G 11: 94,356,711 (GRCm39) F142L probably benign Het
Calcoco1 C T 15: 102,619,876 (GRCm39) A303T probably benign Het
Ciita T G 16: 10,298,009 (GRCm39) M1R probably null Het
Ckap2l A C 2: 129,112,595 (GRCm39) S638A probably benign Het
Coro1c C T 5: 113,983,337 (GRCm39) G397D probably benign Het
Cyb5r2 A G 7: 107,353,954 (GRCm39) V72A probably damaging Het
Cyp2t4 G A 7: 26,854,717 (GRCm39) V66M possibly damaging Het
Dcbld2 A G 16: 58,271,164 (GRCm39) T314A probably benign Het
Dcun1d4 T G 5: 73,668,272 (GRCm39) H37Q probably damaging Het
Dgkd T A 1: 87,857,464 (GRCm39) S725R probably benign Het
Dhx29 T C 13: 113,089,460 (GRCm39) Y744H probably damaging Het
Ect2l T C 10: 18,004,885 (GRCm39) N916S probably damaging Het
Ep400 T C 5: 110,855,853 (GRCm39) K1287E unknown Het
Epo C T 5: 137,482,401 (GRCm39) V89I probably benign Het
Fbxw15 A T 9: 109,397,291 (GRCm39) I3N probably benign Het
Fcgr3 A C 1: 170,879,386 (GRCm39) Y219D possibly damaging Het
Fign A T 2: 63,809,253 (GRCm39) C672* probably null Het
Fsip2 A T 2: 82,793,062 (GRCm39) R406S probably benign Het
Gli2 A G 1: 118,764,425 (GRCm39) V1242A probably benign Het
Gm10577 C T 4: 100,877,745 (GRCm39) C50Y unknown Het
Gm11568 GCTGCTGCCAGCCCTGCTGCCAGCCC GCTGCTGCCAGCCCTGCTGCCAGCCCTGCTGCCAGCCC 11: 99,749,044 (GRCm39) probably benign Het
Grid1 T C 14: 35,291,571 (GRCm39) L826P probably damaging Het
Hmcn1 T C 1: 150,579,971 (GRCm39) D1922G probably benign Het
Itga2b C T 11: 102,358,629 (GRCm39) C96Y probably damaging Het
Itih2 A T 2: 10,106,984 (GRCm39) I670N probably benign Het
Lypla1 A T 1: 4,898,813 (GRCm39) probably benign Het
Mettl16 T C 11: 74,707,696 (GRCm39) S337P possibly damaging Het
Myh11 G A 16: 14,048,616 (GRCm39) Q564* probably null Het
Myrf A G 19: 10,193,840 (GRCm39) F529L probably benign Het
Nell2 T G 15: 95,194,097 (GRCm39) I539L probably benign Het
Nfxl1 A T 5: 72,685,502 (GRCm39) V646E possibly damaging Het
Nin T C 12: 70,102,762 (GRCm39) T289A Het
Obsl1 C T 1: 75,467,484 (GRCm39) C1430Y probably damaging Het
Otog T C 7: 45,890,505 (GRCm39) L18P unknown Het
Pkd1l1 C A 11: 8,783,773 (GRCm39) probably null Het
Pum1 T C 4: 130,446,664 (GRCm39) probably null Het
Rhbdl1 A T 17: 26,055,371 (GRCm39) probably null Het
Rmdn2 T A 17: 79,975,425 (GRCm39) L305I possibly damaging Het
Scn3a A G 2: 65,312,493 (GRCm39) probably null Het
Shtn1 G T 19: 58,963,457 (GRCm39) S619R probably damaging Het
Smpd1 G A 7: 105,205,202 (GRCm39) probably null Het
Tepsin A G 11: 119,982,357 (GRCm39) L571S probably damaging Het
Tm7sf3 C T 6: 146,525,179 (GRCm39) D89N possibly damaging Het
Tssk5 T C 15: 76,258,856 (GRCm39) D10G probably benign Het
Usp39 A G 6: 72,302,759 (GRCm39) Y432H probably benign Het
Vmn2r97 T A 17: 19,149,227 (GRCm39) V205D probably damaging Het
Vwa8 T C 14: 79,258,122 (GRCm39) V757A probably benign Het
Zc2hc1b A T 10: 13,044,540 (GRCm39) F41Y probably damaging Het
Zfp1007 A G 5: 109,823,924 (GRCm39) S509P probably damaging Het
Zfp114 A T 7: 23,880,463 (GRCm39) S271C possibly damaging 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
R6648:Chat UTSW 14 32,176,651 (GRCm39) missense probably benign 0.17
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
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'- GCAAGAGTGTTTTCCTCTAAGCC -3'
(R):5'- GCTTGTGACACTCTACAGGTG -3'

Sequencing Primer
(F):5'- TCATGATGCATGTGAATGAAAAGC -3'
(R):5'- TACAGGTGCCCCAGACTGAAG -3'
Posted On 2022-07-18