Incidental Mutation 'PIT4576001:Dnmt1'
ID 556377
Institutional Source Beutler Lab
Gene Symbol Dnmt1
Ensembl Gene ENSMUSG00000004099
Gene Name DNA methyltransferase 1
Synonyms MTase, Dnmt1o, Cxxc9, MommeD2
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # PIT4576001 (G1)
Quality Score 225.009
Status Not validated
Chromosome 9
Chromosomal Location 20818501-20871084 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 20823071 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Isoleucine at position 1242 (T1242I)
Ref Sequence ENSEMBL: ENSMUSP00000004202 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000004202] [ENSMUST00000177754] [ENSMUST00000178110] [ENSMUST00000216540]
AlphaFold P13864
PDB Structure Crystal structure of mouse DNA methyltransferase 1 [X-RAY DIFFRACTION]
Crystal structure of mouse DNA methyltransferase 1 with AdoHcy [X-RAY DIFFRACTION]
Crystal structure of mouse DNA methyltransferase 1 with AdoMet [X-RAY DIFFRACTION]
Crystal structure of mouse DNMT1(650-1602) in complex with DNA [X-RAY DIFFRACTION]
Crystal structure of mouse DNMT1(731-1602) in the free state [X-RAY DIFFRACTION]
Structure of mouse DNMT1 (731-1602) bound to hemimethylated CpG DNA [X-RAY DIFFRACTION]
Predicted Effect probably benign
Transcript: ENSMUST00000004202
AA Change: T1242I

PolyPhen 2 Score 0.283 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000004202
Gene: ENSMUSG00000004099
AA Change: T1242I

DomainStartEndE-ValueType
DMAP_binding 16 106 1.7e-13 SMART
low complexity region 121 143 N/A INTRINSIC
low complexity region 156 166 N/A INTRINSIC
low complexity region 180 194 N/A INTRINSIC
low complexity region 273 290 N/A INTRINSIC
low complexity region 306 328 N/A INTRINSIC
Pfam:DNMT1-RFD 405 540 4.8e-46 PFAM
low complexity region 610 625 N/A INTRINSIC
Pfam:zf-CXXC 648 694 2.7e-17 PFAM
low complexity region 701 711 N/A INTRINSIC
low complexity region 719 731 N/A INTRINSIC
BAH 758 884 4.62e-31 SMART
BAH 935 1103 1.79e-37 SMART
low complexity region 1110 1124 N/A INTRINSIC
Pfam:DNA_methylase 1142 1596 1.3e-49 PFAM
low complexity region 1600 1619 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000177754
AA Change: T1123I

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000136982
Gene: ENSMUSG00000004099
AA Change: T1123I

DomainStartEndE-ValueType
low complexity region 3 25 N/A INTRINSIC
low complexity region 37 47 N/A INTRINSIC
low complexity region 61 75 N/A INTRINSIC
low complexity region 154 171 N/A INTRINSIC
low complexity region 187 209 N/A INTRINSIC
Pfam:DNMT1-RFD 286 421 3.4e-40 PFAM
low complexity region 491 506 N/A INTRINSIC
Pfam:zf-CXXC 529 575 2.3e-17 PFAM
low complexity region 582 592 N/A INTRINSIC
low complexity region 600 612 N/A INTRINSIC
BAH 639 765 4.62e-31 SMART
BAH 816 984 1.79e-37 SMART
low complexity region 991 1005 N/A INTRINSIC
Pfam:DNA_methylase 1023 1477 1.3e-49 PFAM
low complexity region 1481 1500 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000178110
AA Change: T1123I

PolyPhen 2 Score 0.994 (Sensitivity: 0.69; Specificity: 0.97)
SMART Domains Protein: ENSMUSP00000136669
Gene: ENSMUSG00000004099
AA Change: T1123I

DomainStartEndE-ValueType
low complexity region 3 25 N/A INTRINSIC
low complexity region 38 48 N/A INTRINSIC
low complexity region 62 76 N/A INTRINSIC
low complexity region 155 172 N/A INTRINSIC
low complexity region 188 210 N/A INTRINSIC
Pfam:DNMT1-RFD 287 422 2.6e-40 PFAM
low complexity region 492 507 N/A INTRINSIC
Pfam:zf-CXXC 530 576 4.7e-17 PFAM
low complexity region 583 593 N/A INTRINSIC
low complexity region 601 613 N/A INTRINSIC
BAH 640 766 4.62e-31 SMART
BAH 817 985 1.79e-37 SMART
low complexity region 992 1006 N/A INTRINSIC
Pfam:DNA_methylase 1024 1478 8e-50 PFAM
low complexity region 1482 1501 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000216540
AA Change: T1124I

PolyPhen 2 Score 0.283 (Sensitivity: 0.91; Specificity: 0.88)
Coding Region Coverage
  • 1x: 93.1%
  • 3x: 90.8%
  • 10x: 85.3%
  • 20x: 72.8%
Validation Efficiency
MGI Phenotype FUNCTION: This gene encodes a methyltransferase that preferentially methylates cytosines of CpG residues in hemimethylated DNA to generate fully methylated CpG base pairs during DNA replication. This enzyme plays roles in diverse cellular processes including cell cycle regulation, DNA repair, and telomere maintenance. The encoded protein is composed of an N-terminal domain with a nuclear localization sequence and replication fork-targeting domain, a DNA-binding CXXC domain, two bromo-adjacent homology domains, and a C-terminal catalytic domain. Mouse embryonic stem cells mutant for this gene are viable, but when introduced into the germ line, cause a recessive lethal phenotype with mutant embryos displaying stunted growth and developmental defects. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Sep 2015]
PHENOTYPE: Mutations causing partial or severe loss of function were homozygous lethal by embryonic day 9.5, with lack of appropriate genomic imprinting observed at several loci. [provided by MGI curators]
Allele List at MGI

All alleles(109) : Targeted, knock-out(5) Targeted, other(11) Gene trapped(92) Chemically induced(1)

Other mutations in this stock
Total: 38 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930544G11Rik T C 6: 65,929,983 (GRCm39) S73P probably damaging Het
5730596B20Rik G T 6: 52,156,449 (GRCm39) V172F unknown Het
Brms1 A G 19: 5,096,229 (GRCm39) K69E probably damaging Het
Calr4 A C 4: 109,093,053 (GRCm39) Q44H possibly damaging Het
Dyrk3 A G 1: 131,057,918 (GRCm39) V85A probably damaging Het
Eif2a T C 3: 58,452,974 (GRCm39) Y250H probably damaging Het
Esco1 T C 18: 10,572,093 (GRCm39) E749G probably damaging Het
Fat1 A G 8: 45,477,682 (GRCm39) I2243V probably damaging Het
Gh A T 11: 106,191,659 (GRCm39) F128I possibly damaging Het
Gm17669 TAA TAAA 18: 67,695,819 (GRCm39) probably null Het
Gtpbp4 A G 13: 9,041,763 (GRCm39) Y150H probably damaging Het
H2ac15 C A 13: 21,937,781 (GRCm39) D73Y probably damaging Het
Itga8 A G 2: 12,234,903 (GRCm39) S452P probably benign Het
Kcnma1 C T 14: 23,359,103 (GRCm39) probably null Het
Macf1 T C 4: 123,367,114 (GRCm39) E2549G probably benign Het
Mindy1 C T 3: 95,195,380 (GRCm39) A41V probably benign Het
Mypn T A 10: 62,955,850 (GRCm39) K1201M probably damaging Het
Ncor1 A G 11: 62,224,543 (GRCm39) S906P probably damaging Het
Npy1r T C 8: 67,156,874 (GRCm39) V98A probably benign Het
Pate2 A G 9: 35,581,889 (GRCm39) Y61C probably damaging Het
Pfdn2 A G 1: 171,173,310 (GRCm39) S11G unknown Het
Prdm1 T C 10: 44,334,504 (GRCm39) M1V probably null Het
Prelp A G 1: 133,842,903 (GRCm39) S81P possibly damaging Het
Prss12 T C 3: 123,280,764 (GRCm39) V483A probably damaging Het
Prss43 G C 9: 110,656,955 (GRCm39) V154L probably damaging Het
Ptpru G A 4: 131,529,855 (GRCm39) R618* probably null Het
Rpa1 A G 11: 75,203,984 (GRCm39) S288P probably damaging Het
Semp2l1 T C 1: 32,585,553 (GRCm39) E119G probably damaging Het
Siglec1 A G 2: 130,920,081 (GRCm39) F817L probably damaging Het
Skint6 T A 4: 112,910,564 (GRCm39) S545C possibly damaging Het
Slit1 A T 19: 41,612,988 (GRCm39) V844D possibly damaging Het
Suclg2 G T 6: 95,563,999 (GRCm39) D195E possibly damaging Het
Tln1 G T 4: 43,539,998 (GRCm39) A1537D probably damaging Het
Trpv2 A G 11: 62,472,027 (GRCm39) D73G probably damaging Het
Ucp3 T C 7: 100,129,458 (GRCm39) S98P probably benign Het
Usp19 T A 9: 108,369,931 (GRCm39) probably null Het
Vmn2r112 T C 17: 22,833,912 (GRCm39) F527L probably benign Het
Vmn2r93 T C 17: 18,533,473 (GRCm39) V459A probably benign Het
Other mutations in Dnmt1
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00334:Dnmt1 APN 9 20,821,566 (GRCm39) missense possibly damaging 0.94
IGL01093:Dnmt1 APN 9 20,821,081 (GRCm39) missense possibly damaging 0.88
IGL01160:Dnmt1 APN 9 20,828,615 (GRCm39) missense possibly damaging 0.90
IGL01704:Dnmt1 APN 9 20,821,476 (GRCm39) missense probably damaging 1.00
IGL02105:Dnmt1 APN 9 20,819,178 (GRCm39) missense unknown
IGL02124:Dnmt1 APN 9 20,819,845 (GRCm39) missense probably damaging 1.00
IGL02188:Dnmt1 APN 9 20,853,034 (GRCm39) nonsense probably null
IGL02409:Dnmt1 APN 9 20,837,793 (GRCm39) missense probably benign 0.00
IGL02579:Dnmt1 APN 9 20,829,416 (GRCm39) missense possibly damaging 0.79
IGL02625:Dnmt1 APN 9 20,838,442 (GRCm39) missense probably benign 0.01
IGL02794:Dnmt1 APN 9 20,847,847 (GRCm39) missense probably benign
IGL02795:Dnmt1 APN 9 20,838,407 (GRCm39) missense probably benign 0.12
IGL02938:Dnmt1 APN 9 20,852,669 (GRCm39) missense probably benign 0.23
IGL03245:Dnmt1 APN 9 20,827,056 (GRCm39) missense probably damaging 0.99
IGL03303:Dnmt1 APN 9 20,838,006 (GRCm39) missense probably benign
Blankslate UTSW 9 20,823,521 (GRCm39) missense possibly damaging 0.86
Midrash UTSW 9 20,821,089 (GRCm39) nonsense probably null
Rashi UTSW 9 20,833,408 (GRCm39) missense possibly damaging 0.94
B5639:Dnmt1 UTSW 9 20,819,264 (GRCm39) splice site probably benign
BB003:Dnmt1 UTSW 9 20,818,855 (GRCm39) missense unknown
BB013:Dnmt1 UTSW 9 20,818,855 (GRCm39) missense unknown
R0071:Dnmt1 UTSW 9 20,819,916 (GRCm39) missense probably damaging 0.99
R0180:Dnmt1 UTSW 9 20,819,916 (GRCm39) missense probably damaging 0.99
R0368:Dnmt1 UTSW 9 20,853,053 (GRCm39) missense probably damaging 0.99
R0387:Dnmt1 UTSW 9 20,829,509 (GRCm39) missense probably damaging 1.00
R0529:Dnmt1 UTSW 9 20,822,846 (GRCm39) missense probably damaging 1.00
R0532:Dnmt1 UTSW 9 20,829,852 (GRCm39) splice site probably benign
R0612:Dnmt1 UTSW 9 20,829,489 (GRCm39) missense probably damaging 0.98
R1109:Dnmt1 UTSW 9 20,833,684 (GRCm39) missense probably damaging 1.00
R1298:Dnmt1 UTSW 9 20,852,752 (GRCm39) missense probably benign
R1345:Dnmt1 UTSW 9 20,819,814 (GRCm39) missense probably damaging 1.00
R1472:Dnmt1 UTSW 9 20,843,472 (GRCm39) missense probably benign 0.28
R1654:Dnmt1 UTSW 9 20,847,870 (GRCm39) missense possibly damaging 0.75
R1817:Dnmt1 UTSW 9 20,838,422 (GRCm39) missense probably benign
R1836:Dnmt1 UTSW 9 20,829,542 (GRCm39) missense probably damaging 1.00
R1957:Dnmt1 UTSW 9 20,838,442 (GRCm39) missense probably benign 0.01
R1958:Dnmt1 UTSW 9 20,838,442 (GRCm39) missense probably benign 0.01
R2097:Dnmt1 UTSW 9 20,821,084 (GRCm39) missense probably benign 0.00
R2145:Dnmt1 UTSW 9 20,848,451 (GRCm39) splice site probably benign
R2326:Dnmt1 UTSW 9 20,835,442 (GRCm39) splice site probably benign
R4199:Dnmt1 UTSW 9 20,849,414 (GRCm39) missense probably benign 0.00
R4456:Dnmt1 UTSW 9 20,821,138 (GRCm39) missense probably damaging 1.00
R4518:Dnmt1 UTSW 9 20,823,274 (GRCm39) missense probably benign 0.00
R4586:Dnmt1 UTSW 9 20,837,989 (GRCm39) missense probably benign 0.05
R4836:Dnmt1 UTSW 9 20,819,854 (GRCm39) missense probably damaging 1.00
R5014:Dnmt1 UTSW 9 20,823,550 (GRCm39) missense probably benign 0.07
R5338:Dnmt1 UTSW 9 20,864,015 (GRCm39) missense probably benign 0.44
R5385:Dnmt1 UTSW 9 20,829,776 (GRCm39) missense probably damaging 1.00
R5579:Dnmt1 UTSW 9 20,831,501 (GRCm39) missense probably damaging 1.00
R5645:Dnmt1 UTSW 9 20,833,443 (GRCm39) missense probably damaging 1.00
R5719:Dnmt1 UTSW 9 20,823,891 (GRCm39) missense possibly damaging 0.86
R5881:Dnmt1 UTSW 9 20,864,013 (GRCm39) missense probably damaging 0.97
R6039:Dnmt1 UTSW 9 20,837,716 (GRCm39) intron probably benign
R6039:Dnmt1 UTSW 9 20,837,716 (GRCm39) intron probably benign
R6143:Dnmt1 UTSW 9 20,838,430 (GRCm39) missense probably benign 0.30
R6342:Dnmt1 UTSW 9 20,821,089 (GRCm39) nonsense probably null
R6374:Dnmt1 UTSW 9 20,835,341 (GRCm39) missense possibly damaging 0.73
R6953:Dnmt1 UTSW 9 20,829,822 (GRCm39) missense probably benign
R6990:Dnmt1 UTSW 9 20,827,110 (GRCm39) nonsense probably null
R7089:Dnmt1 UTSW 9 20,819,785 (GRCm39) missense probably damaging 0.99
R7463:Dnmt1 UTSW 9 20,823,521 (GRCm39) missense possibly damaging 0.86
R7522:Dnmt1 UTSW 9 20,831,498 (GRCm39) missense probably damaging 0.99
R7695:Dnmt1 UTSW 9 20,825,281 (GRCm39) missense probably null 1.00
R7785:Dnmt1 UTSW 9 20,833,345 (GRCm39) missense probably damaging 0.98
R7926:Dnmt1 UTSW 9 20,818,855 (GRCm39) missense unknown
R8037:Dnmt1 UTSW 9 20,852,860 (GRCm39) missense probably damaging 0.99
R8038:Dnmt1 UTSW 9 20,852,860 (GRCm39) missense probably damaging 0.99
R8424:Dnmt1 UTSW 9 20,829,836 (GRCm39) missense probably benign 0.07
R8692:Dnmt1 UTSW 9 20,853,077 (GRCm39) missense probably damaging 1.00
R9016:Dnmt1 UTSW 9 20,847,855 (GRCm39) missense possibly damaging 0.67
R9101:Dnmt1 UTSW 9 20,852,839 (GRCm39) missense probably damaging 1.00
R9200:Dnmt1 UTSW 9 20,819,896 (GRCm39) missense probably benign 0.00
R9248:Dnmt1 UTSW 9 20,833,408 (GRCm39) missense possibly damaging 0.94
R9317:Dnmt1 UTSW 9 20,829,575 (GRCm39) missense probably damaging 0.99
R9352:Dnmt1 UTSW 9 20,840,384 (GRCm39) missense probably benign 0.00
R9438:Dnmt1 UTSW 9 20,827,190 (GRCm39) missense probably benign
RF003:Dnmt1 UTSW 9 20,821,427 (GRCm39) nonsense probably null
RF004:Dnmt1 UTSW 9 20,821,423 (GRCm39) nonsense probably null
RF011:Dnmt1 UTSW 9 20,821,440 (GRCm39) nonsense probably null
RF011:Dnmt1 UTSW 9 20,821,424 (GRCm39) nonsense probably null
RF015:Dnmt1 UTSW 9 20,821,425 (GRCm39) nonsense probably null
RF015:Dnmt1 UTSW 9 20,821,420 (GRCm39) nonsense probably null
RF017:Dnmt1 UTSW 9 20,821,422 (GRCm39) nonsense probably null
RF023:Dnmt1 UTSW 9 20,821,427 (GRCm39) nonsense probably null
RF024:Dnmt1 UTSW 9 20,821,434 (GRCm39) small insertion probably benign
RF024:Dnmt1 UTSW 9 20,821,426 (GRCm39) nonsense probably null
RF025:Dnmt1 UTSW 9 20,821,431 (GRCm39) nonsense probably null
RF025:Dnmt1 UTSW 9 20,821,416 (GRCm39) nonsense probably null
RF029:Dnmt1 UTSW 9 20,821,419 (GRCm39) nonsense probably null
RF034:Dnmt1 UTSW 9 20,821,416 (GRCm39) nonsense probably null
RF037:Dnmt1 UTSW 9 20,821,437 (GRCm39) nonsense probably null
RF037:Dnmt1 UTSW 9 20,821,429 (GRCm39) nonsense probably null
RF037:Dnmt1 UTSW 9 20,821,415 (GRCm39) critical splice donor site probably benign
RF042:Dnmt1 UTSW 9 20,821,415 (GRCm39) nonsense probably null
RF045:Dnmt1 UTSW 9 20,821,433 (GRCm39) small insertion probably benign
RF045:Dnmt1 UTSW 9 20,821,425 (GRCm39) nonsense probably null
RF047:Dnmt1 UTSW 9 20,821,421 (GRCm39) nonsense probably null
RF048:Dnmt1 UTSW 9 20,821,422 (GRCm39) nonsense probably null
RF054:Dnmt1 UTSW 9 20,821,435 (GRCm39) nonsense probably null
RF055:Dnmt1 UTSW 9 20,821,432 (GRCm39) small insertion probably benign
RF055:Dnmt1 UTSW 9 20,821,431 (GRCm39) nonsense probably null
RF055:Dnmt1 UTSW 9 20,821,424 (GRCm39) nonsense probably null
RF059:Dnmt1 UTSW 9 20,821,434 (GRCm39) small insertion probably benign
RF059:Dnmt1 UTSW 9 20,821,435 (GRCm39) nonsense probably null
RF060:Dnmt1 UTSW 9 20,821,438 (GRCm39) nonsense probably null
RF061:Dnmt1 UTSW 9 20,821,426 (GRCm39) nonsense probably null
X0026:Dnmt1 UTSW 9 20,825,210 (GRCm39) missense probably damaging 1.00
Z1176:Dnmt1 UTSW 9 20,837,850 (GRCm39) missense probably benign 0.00
Z1176:Dnmt1 UTSW 9 20,827,159 (GRCm39) missense probably damaging 0.99
Predicted Primers PCR Primer
(F):5'- CCGGTAGTAGTCACAGTAGCTG -3'
(R):5'- CACCACAGTGTTCACAGAGG -3'

Sequencing Primer
(F):5'- TCACAGTAGCTGTAGGGGC -3'
(R):5'- AGGACTGCAACGTGCTTCTTAAG -3'
Posted On 2019-06-07