Incidental Mutation 'R8290:Mtr'
ID 638658
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
MMRRC Submission 067712-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R8290 (G1)
Quality Score 225.009
Status Not validated
Chromosome 13
Chromosomal Location 12197598-12272999 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 12205139 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 1107 (D1107G)
Ref Sequence ENSEMBL: ENSMUSP00000097442 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099856]
AlphaFold A6H5Y3
Predicted Effect probably damaging
Transcript: ENSMUST00000099856
AA Change: D1107G

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000097442
Gene: ENSMUSG00000021311
AA Change: D1107G

DomainStartEndE-ValueType
Pfam:S-methyl_trans 18 326 1.5e-93 PFAM
Pfam:Pterin_bind 363 601 4.6e-63 PFAM
B12-binding_2 657 743 6.42e-41 SMART
Pfam:B12-binding 761 861 3.3e-20 PFAM
Pfam:Met_synt_B12 953 1234 2.5e-114 PFAM
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.6%
  • 20x: 98.6%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes the 5-methyltetrahydrofolate-homocysteine methyltransferase. This enzyme, also known as cobalamin-dependent methionine synthase, catalyzes the final step in methionine biosynthesis. Mutations in MTR have been identified as the underlying cause of methylcobalamin deficiency complementation group G. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, May 2014]
PHENOTYPE: Mice homozygous for a targeted null mutation exhibit embryonic lethality prior to E9.5. Heterozygous appear mostly similar to conrtols, except that they exhibit elevated plasma methionine and homocysteine levels. [provided by MGI curators]
Allele List at MGI

All alleles(6) : Targeted, knock-out(1) Gene trapped(5)

Other mutations in this stock
Total: 72 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc12 A T 8: 87,238,911 (GRCm39) Y1100N probably damaging Het
Abcf2 CAT CATAAT 5: 24,781,589 (GRCm39) probably benign Het
Adgrv1 T C 13: 81,630,002 (GRCm39) T3576A probably benign Het
Adnp2 A T 18: 80,185,948 (GRCm39) N8K probably damaging Het
Aftph A T 11: 20,675,712 (GRCm39) H632Q probably benign Het
Arhgef11 A T 3: 87,633,275 (GRCm39) I710F probably damaging Het
Atp6v1c2 T C 12: 17,338,153 (GRCm39) N341S possibly damaging Het
Ccsap T G 8: 124,585,986 (GRCm39) D55A probably benign Het
Cdh17 A G 4: 11,817,037 (GRCm39) N816S probably benign Het
Celf3 A G 3: 94,386,489 (GRCm39) I26V probably benign Het
Celsr1 G T 15: 85,917,286 (GRCm39) S229* probably null Het
Chek2 A G 5: 111,008,766 (GRCm39) E299G possibly damaging Het
Clca3a2 A G 3: 144,793,719 (GRCm39) V312A possibly damaging Het
Cnn1 A G 9: 22,012,447 (GRCm39) K25R probably benign Het
Cry1 A T 10: 84,978,977 (GRCm39) Y516* probably null Het
Dcaf4 T C 12: 83,588,333 (GRCm39) S498P probably benign Het
Dmgdh T C 13: 93,843,244 (GRCm39) V360A probably benign Het
Dnajc18 G A 18: 35,816,324 (GRCm39) R205* probably null Het
Eif4a2 G T 16: 22,927,372 (GRCm39) G22C probably damaging Het
Elmo2 A G 2: 165,150,923 (GRCm39) I196T probably damaging Het
Epha3 A G 16: 63,472,859 (GRCm39) I342T possibly damaging Het
Epha8 G T 4: 136,665,897 (GRCm39) L420M probably damaging Het
Etf1 G A 18: 35,064,891 (GRCm39) P35L unknown Het
Etnk2 A C 1: 133,307,127 (GRCm39) *386C probably null Het
Fgg A T 3: 82,920,141 (GRCm39) I307F probably benign Het
Flg2 A G 3: 93,110,069 (GRCm39) Q699R unknown Het
Foxp4 T A 17: 48,191,778 (GRCm39) T120S unknown Het
Fzd1 A G 5: 4,807,060 (GRCm39) V174A possibly damaging Het
Gad1 A C 2: 70,404,610 (GRCm39) I167L probably benign Het
Gfm2 T A 13: 97,282,171 (GRCm39) D55E probably benign Het
Grb14 G T 2: 64,805,929 (GRCm39) A12E probably benign Het
Hnmt A C 2: 23,893,896 (GRCm39) Y199* probably null Het
Kit A G 5: 75,801,829 (GRCm39) I615V probably benign Het
Kpna6 A G 4: 129,555,097 (GRCm39) probably null Het
Lpxn C T 19: 12,810,052 (GRCm39) R275C probably damaging Het
Magi1 C T 6: 94,260,066 (GRCm39) G80S probably damaging Het
Men1 A G 19: 6,388,316 (GRCm39) I312V probably benign Het
Msx2 A G 13: 53,622,528 (GRCm39) F161L probably damaging Het
Muc4 A T 16: 32,575,434 (GRCm39) M1397L probably benign Het
Mybpc3 A G 2: 90,951,473 (GRCm39) N259S probably benign Het
Myo5c A G 9: 75,196,178 (GRCm39) K1242R probably benign Het
Myoc T C 1: 162,476,601 (GRCm39) V435A possibly damaging Het
Nbea G A 3: 55,966,056 (GRCm39) Q469* probably null Het
Ndufa10 A C 1: 92,390,869 (GRCm39) M227R possibly damaging Het
Obscn C T 11: 58,953,536 (GRCm39) D3831N probably damaging Het
Obscn T C 11: 59,015,400 (GRCm39) E1024G probably damaging Het
Oma1 T C 4: 103,176,671 (GRCm39) L145P probably damaging Het
Phf11 T C 14: 59,485,418 (GRCm39) Y114C probably damaging Het
Phf12 C A 11: 77,920,465 (GRCm39) N1000K probably benign Het
Plxnb1 G T 9: 108,938,687 (GRCm39) A1350S probably benign Het
Prkd1 C T 12: 50,388,799 (GRCm39) V915I probably damaging Het
Prkra T A 2: 76,463,982 (GRCm39) N227Y probably damaging Het
Prtg A T 9: 72,798,077 (GRCm39) H681L probably damaging Het
Rtn1 T C 12: 72,355,193 (GRCm39) K251R probably benign Het
Sema6b A T 17: 56,431,803 (GRCm39) V620E possibly damaging Het
Senp7 T A 16: 55,974,000 (GRCm39) L407* probably null Het
Sh3pxd2a A T 19: 47,302,575 (GRCm39) L168Q probably damaging Het
Shtn1 A G 19: 58,988,326 (GRCm39) L453P probably damaging Het
Slc26a6 G A 9: 108,733,230 (GRCm39) R43H probably benign Het
Stac3 T C 10: 127,339,229 (GRCm39) probably null Het
Taf2 A G 15: 54,926,416 (GRCm39) F178S probably damaging Het
Tcp10a G A 17: 7,601,716 (GRCm39) E239K probably benign Het
Ubox5 A G 2: 130,442,333 (GRCm39) V118A probably damaging Het
Unc13d C A 11: 115,958,973 (GRCm39) L729F probably damaging Het
Vmn1r228 T C 17: 20,996,724 (GRCm39) T265A probably benign Het
Vmn2r100 G A 17: 19,751,612 (GRCm39) V615I probably damaging Het
Vmn2r60 T G 7: 41,791,690 (GRCm39) C538G probably damaging Het
Vmn2r93 A T 17: 18,524,291 (GRCm39) N95I probably damaging Het
Vsig2 A G 9: 37,451,264 (GRCm39) N55S probably benign Het
Zfp472 A G 17: 33,197,088 (GRCm39) T388A probably benign Het
Zfp853 G A 5: 143,274,826 (GRCm39) Q214* probably null Het
Zfp949 A G 9: 88,451,293 (GRCm39) R288G probably damaging Het
Other mutations in Mtr
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01299:Mtr APN 13 12,240,536 (GRCm39) splice site probably benign
IGL02456:Mtr APN 13 12,213,980 (GRCm39) missense probably damaging 0.98
IGL02573:Mtr APN 13 12,214,013 (GRCm39) missense possibly damaging 0.95
IGL02642:Mtr APN 13 12,210,118 (GRCm39) splice site probably benign
IGL03005:Mtr APN 13 12,250,335 (GRCm39) splice site probably benign
IGL03017:Mtr APN 13 12,262,777 (GRCm39) critical splice donor site probably null
IGL03036:Mtr APN 13 12,262,263 (GRCm39) missense probably damaging 1.00
H8930:Mtr UTSW 13 12,250,346 (GRCm39) missense probably damaging 1.00
PIT4431001:Mtr UTSW 13 12,227,329 (GRCm39) missense probably damaging 1.00
PIT4520001:Mtr UTSW 13 12,212,871 (GRCm39) nonsense probably null
R0011:Mtr UTSW 13 12,252,938 (GRCm39) splice site probably benign
R0047:Mtr UTSW 13 12,237,112 (GRCm39) missense probably damaging 1.00
R0047:Mtr UTSW 13 12,237,112 (GRCm39) missense probably damaging 1.00
R0304:Mtr UTSW 13 12,237,040 (GRCm39) critical splice donor site probably null
R0617:Mtr UTSW 13 12,236,318 (GRCm39) missense probably benign
R0842:Mtr UTSW 13 12,215,133 (GRCm39) missense probably damaging 1.00
R1101:Mtr UTSW 13 12,204,411 (GRCm39) missense possibly damaging 0.84
R1450:Mtr UTSW 13 12,208,619 (GRCm39) missense probably damaging 0.99
R1534:Mtr UTSW 13 12,250,430 (GRCm39) splice site probably benign
R1907:Mtr UTSW 13 12,240,418 (GRCm39) missense probably damaging 1.00
R2111:Mtr UTSW 13 12,259,487 (GRCm39) missense possibly damaging 0.86
R2354:Mtr UTSW 13 12,203,043 (GRCm39) splice site probably benign
R3849:Mtr UTSW 13 12,262,251 (GRCm39) missense probably benign 0.16
R3899:Mtr UTSW 13 12,231,735 (GRCm39) missense probably benign 0.00
R4012:Mtr UTSW 13 12,204,284 (GRCm39) missense probably damaging 1.00
R4012:Mtr UTSW 13 12,204,283 (GRCm39) missense probably damaging 1.00
R4075:Mtr UTSW 13 12,230,298 (GRCm39) critical splice donor site probably null
R4091:Mtr UTSW 13 12,245,943 (GRCm39) missense probably damaging 1.00
R4655:Mtr UTSW 13 12,242,679 (GRCm39) missense probably damaging 1.00
R4801:Mtr UTSW 13 12,210,137 (GRCm39) missense probably benign 0.01
R4802:Mtr UTSW 13 12,210,137 (GRCm39) missense probably benign 0.01
R4895:Mtr UTSW 13 12,231,752 (GRCm39) missense probably benign 0.01
R5481:Mtr UTSW 13 12,203,041 (GRCm39) critical splice acceptor site probably null
R5966:Mtr UTSW 13 12,230,453 (GRCm39) critical splice acceptor site probably null
R6209:Mtr UTSW 13 12,205,278 (GRCm39) missense probably benign 0.00
R6348:Mtr UTSW 13 12,262,840 (GRCm39) missense possibly damaging 0.49
R6463:Mtr UTSW 13 12,231,752 (GRCm39) missense probably benign 0.01
R6467:Mtr UTSW 13 12,202,992 (GRCm39) missense probably damaging 1.00
R7046:Mtr UTSW 13 12,205,095 (GRCm39) missense possibly damaging 0.58
R7505:Mtr UTSW 13 12,236,362 (GRCm39) missense probably benign 0.02
R7575:Mtr UTSW 13 12,213,963 (GRCm39) missense probably benign 0.01
R7705:Mtr UTSW 13 12,264,782 (GRCm39) missense probably benign
R7748:Mtr UTSW 13 12,242,725 (GRCm39) missense probably benign 0.00
R8161:Mtr UTSW 13 12,236,372 (GRCm39) missense probably damaging 0.99
R8988:Mtr UTSW 13 12,250,365 (GRCm39) missense probably benign
R9050:Mtr UTSW 13 12,231,748 (GRCm39) missense probably null 0.67
R9420:Mtr UTSW 13 12,268,764 (GRCm39) missense probably benign 0.04
R9655:Mtr UTSW 13 12,203,030 (GRCm39) missense probably damaging 1.00
X0064:Mtr UTSW 13 12,265,543 (GRCm39) missense probably damaging 1.00
Z1177:Mtr UTSW 13 12,264,752 (GRCm39) nonsense probably null
Z1177:Mtr UTSW 13 12,201,935 (GRCm39) missense probably benign 0.32
Predicted Primers PCR Primer
(F):5'- GCGGCATTTGGGAGATACAG -3'
(R):5'- GTGGAATACAGTAGATGCTAATGGC -3'

Sequencing Primer
(F):5'- TCATGGGAGCTCCAACAT -3'
(R):5'- GCTTCTCTGCCTAATGCTTGG -3'
Posted On 2020-07-28