Incidental Mutation 'R9050:Mtr'
ID 688312
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
MMRRC Submission 068876-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9050 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 12197598-12272999 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 12231748 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Aspartic acid to Glycine at position 652 (D652G)
Ref Sequence ENSEMBL: ENSMUSP00000097442 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099856] [ENSMUST00000221290]
AlphaFold A6H5Y3
Predicted Effect probably null
Transcript: ENSMUST00000099856
AA Change: D652G

PolyPhen 2 Score 0.665 (Sensitivity: 0.86; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000097442
Gene: ENSMUSG00000021311
AA Change: D652G

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
Predicted Effect probably benign
Transcript: ENSMUST00000221290
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.5%
Validation Efficiency 96% (53/55)
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: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abhd5 T C 9: 122,208,605 (GRCm39) Y332H probably benign Het
Apoc3 A G 9: 46,144,592 (GRCm39) F77L probably benign Het
Atp5f1c A T 2: 10,069,049 (GRCm39) D99E probably damaging Het
Atxn3 A T 12: 101,924,387 (GRCm39) probably benign Het
Calcoco1 A G 15: 102,618,400 (GRCm39) V463A probably damaging Het
Cby3 A G 11: 50,248,617 (GRCm39) T20A possibly damaging Het
Cdhr2 A G 13: 54,883,133 (GRCm39) D1256G probably benign Het
Cep350 A T 1: 155,738,687 (GRCm39) D2385E possibly damaging Het
Clec9a G C 6: 129,396,561 (GRCm39) A170P possibly damaging Het
Col5a3 C T 9: 20,697,691 (GRCm39) G871S probably damaging Het
Fmo4 A G 1: 162,635,099 (GRCm39) S159P probably benign Het
Gabbr2 A G 4: 46,798,659 (GRCm39) F272L probably benign Het
Glp1r G A 17: 31,137,892 (GRCm39) G108S probably damaging Het
Herpud1 T C 8: 95,117,454 (GRCm39) S13P probably benign Het
Hps5 T C 7: 46,422,607 (GRCm39) D574G probably benign Het
Il7 A G 3: 7,669,170 (GRCm39) V22A possibly damaging Het
Kmt5c A G 7: 4,745,281 (GRCm39) T91A probably benign Het
Mrpl39 A C 16: 84,531,844 (GRCm39) probably benign Het
Neb C T 2: 52,079,901 (GRCm39) V5768M probably damaging Het
Ngef G A 1: 87,431,010 (GRCm39) P269L probably damaging Het
Nicol1 G C 5: 34,140,874 (GRCm39) A29P unknown Het
Nmrk1 T A 19: 18,618,539 (GRCm39) M74K probably benign Het
Obox8 A G 7: 14,066,870 (GRCm39) L58P unknown Het
Oga T C 19: 45,756,354 (GRCm39) T430A probably damaging Het
Or1o4 A G 17: 37,590,820 (GRCm39) Y164H probably damaging Het
Or2b2 A G 13: 21,887,150 (GRCm39) probably benign Het
Or2y1e T C 11: 49,218,930 (GRCm39) S231P possibly damaging Het
Or5p62 A C 7: 107,771,087 (GRCm39) L288W probably damaging Het
Pcdhb17 T G 18: 37,620,286 (GRCm39) V692G probably damaging Het
Pfas A G 11: 68,882,567 (GRCm39) V829A probably benign Het
Pramel24 A T 4: 143,453,329 (GRCm39) T146S probably benign Het
Pth A G 7: 112,985,043 (GRCm39) V110A probably benign Het
Rabggta T A 14: 55,959,056 (GRCm39) Q37L probably benign Het
Rin3 A G 12: 102,335,738 (GRCm39) T550A probably damaging Het
Scn8a G A 15: 100,906,161 (GRCm39) V785I possibly damaging Het
Sec24d T C 3: 123,144,374 (GRCm39) V617A probably benign Het
Slc47a1 T C 11: 61,235,160 (GRCm39) I558V probably benign Het
Slc6a15 A T 10: 103,252,516 (GRCm39) M560L possibly damaging Het
Slfn9 G A 11: 82,879,120 (GRCm39) T3I probably benign Het
Spag9 A G 11: 93,935,294 (GRCm39) H35R probably damaging Het
Spats2 G T 15: 99,110,010 (GRCm39) R469L possibly damaging Het
Sprr2b CTGAGCCTTGTCCTCCTCCAAAGTGCCCTGAGCCTTGTCCTCCCCCAGTATGCTGTGAGCCTTGTCCTCCTCCAAAGTGCCCTGAGCCTTGTCCTCCCCCAGTATGCTGTGAGCCTTGTCCTCC CTGAGCCTTGTCCTCCTCCAAAGTGCCCTGAGCCTTGTCCTCCCCCAGTATGCTGTGAGCCTTGTCCTCC 3: 92,224,826 (GRCm39) probably benign Het
Ssx2ip C T 3: 146,144,512 (GRCm39) S592L possibly damaging Het
Ston1 A G 17: 88,944,228 (GRCm39) T545A probably benign Het
Suz12 C T 11: 79,913,023 (GRCm39) L379F probably damaging Het
Tbc1d24 A T 17: 24,404,898 (GRCm39) V82E possibly damaging Het
Tbc1d24 C A 17: 24,404,899 (GRCm39) V82L probably benign Het
Thada A G 17: 84,736,629 (GRCm39) I884T probably damaging Het
Tln1 C A 4: 43,549,786 (GRCm39) E542* probably null Het
Togaram2 T C 17: 72,007,878 (GRCm39) L401P probably damaging Het
Ttbk2 A T 2: 120,637,319 (GRCm39) N115K probably benign Het
Tubgcp4 G A 2: 121,004,079 (GRCm39) S40N probably benign Het
Wrn T C 8: 33,833,021 (GRCm39) D157G probably damaging Het
Zer1 A T 2: 30,001,294 (GRCm39) F70Y probably damaging Het
Zfp791 T C 8: 85,837,334 (GRCm39) I177V possibly 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
R8290:Mtr UTSW 13 12,205,139 (GRCm39) missense probably damaging 1.00
R8988:Mtr UTSW 13 12,250,365 (GRCm39) missense probably benign
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'- TCTGCCACACCCATCTATGAAG -3'
(R):5'- GACTTCAGTCTTGATCCATGCTG -3'

Sequencing Primer
(F):5'- TCAAATGAGTTGAGGACACTGGC -3'
(R):5'- AGTCTTGATCCATGCTGAACAC -3'
Posted On 2021-11-19