Incidental Mutation 'R6463:Mtr'
ID 517701
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
MMRRC Submission 045324-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R6463 (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 12231752 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 651 (T651A)
Ref Sequence ENSEMBL: ENSMUSP00000097442 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099856] [ENSMUST00000221290]
AlphaFold A6H5Y3
Predicted Effect probably benign
Transcript: ENSMUST00000099856
AA Change: T651A

PolyPhen 2 Score 0.010 (Sensitivity: 0.96; Specificity: 0.77)
SMART Domains Protein: ENSMUSP00000097442
Gene: ENSMUSG00000021311
AA Change: T651A

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
Meta Mutation Damage Score 0.0725 question?
Coding Region Coverage
  • 1x: 99.9%
  • 3x: 99.7%
  • 10x: 97.8%
  • 20x: 92.4%
Validation Efficiency 100% (51/51)
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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1700009N14Rik A T 4: 39,450,938 (GRCm39) H48L probably damaging Het
Aifm3 A G 16: 17,318,653 (GRCm39) I185V probably benign Het
Asb7 A T 7: 66,309,984 (GRCm39) D77E probably damaging Het
Cacna1i T C 15: 80,239,959 (GRCm39) I336T probably damaging Het
Cadps2 A T 6: 23,323,333 (GRCm39) L1016* probably null Het
Cep63 C A 9: 102,473,354 (GRCm39) M504I probably benign Het
Chpf2 G T 5: 24,794,524 (GRCm39) L231F probably damaging Het
Cnot10 T C 9: 114,454,970 (GRCm39) Y221C probably damaging Het
Col3a1 G A 1: 45,381,365 (GRCm39) probably benign Het
Csl T C 10: 99,594,960 (GRCm39) D35G probably damaging Het
Csmd3 T C 15: 47,539,875 (GRCm39) Y2286C probably damaging Het
Dbt A G 3: 116,333,409 (GRCm39) E293G possibly damaging Het
Ddx31 T A 2: 28,737,525 (GRCm39) probably null Het
Dnm1 T C 2: 32,199,603 (GRCm39) probably benign Het
Elfn1 A G 5: 139,958,040 (GRCm39) Y348C probably damaging Het
Enpp5 G A 17: 44,396,155 (GRCm39) G356S probably damaging Het
Epha5 T A 5: 84,254,569 (GRCm39) I657F probably damaging Het
Fbp1 A G 13: 63,012,824 (GRCm39) F123S possibly damaging Het
Hkdc1 T C 10: 62,229,481 (GRCm39) N732S probably damaging Het
Itfg1 A G 8: 86,462,780 (GRCm39) S448P probably benign Het
Itprid1 A G 6: 55,945,663 (GRCm39) R795G probably benign Het
Izumo2 A G 7: 44,358,498 (GRCm39) K84R probably benign Het
Kbtbd3 A G 9: 4,316,921 (GRCm39) Y24C probably benign Het
Kif1b T C 4: 149,277,053 (GRCm39) M1337V probably benign Het
Mdn1 T C 4: 32,773,308 (GRCm39) L5489P probably damaging Het
Mettl2 G A 11: 105,023,407 (GRCm39) probably null Het
Naglu A G 11: 100,968,177 (GRCm39) probably null Het
Nkx6-1 G T 5: 101,807,342 (GRCm39) H347N probably damaging Het
Ntpcr A G 8: 126,462,843 (GRCm39) E20G probably benign Het
Oas2 T C 5: 120,873,046 (GRCm39) R670G probably null Het
Or10h1 G A 17: 33,418,612 (GRCm39) V197I probably benign Het
Or2ag16 C G 7: 106,352,008 (GRCm39) E196Q probably benign Het
Or4p8 T C 2: 88,727,462 (GRCm39) I160V probably benign Het
Phldb2 A C 16: 45,595,356 (GRCm39) V902G probably benign Het
Rdh7 T C 10: 127,721,650 (GRCm39) R209G probably benign Het
Slc13a3 A C 2: 165,287,573 (GRCm39) L127R probably damaging Het
Slc6a20b T A 9: 123,434,014 (GRCm39) I275F possibly damaging Het
St3gal1 A G 15: 66,983,195 (GRCm39) V187A possibly damaging Het
Tmx4 T C 2: 134,462,559 (GRCm39) Y124C probably damaging Het
Trh A T 6: 92,219,824 (GRCm39) M164K possibly damaging Het
Trhr A G 15: 44,060,981 (GRCm39) N167S probably benign Het
Ttll7 G A 3: 146,637,337 (GRCm39) R490Q possibly damaging Het
Uck1 T C 2: 32,148,667 (GRCm39) N100S probably benign Het
Ucp3 A T 7: 100,129,476 (GRCm39) T104S probably benign Het
Vmn2r28 T A 7: 5,489,435 (GRCm39) H468L probably benign Het
Xaf1 G A 11: 72,199,464 (GRCm39) R67H probably benign Het
Ypel4 T C 2: 84,567,087 (GRCm39) probably benign Het
Zfp687 A G 3: 94,918,095 (GRCm39) I559T 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
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
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'- TCTGCCACACCCATCTATGAAG -3'
(R):5'- TGACTTCAGTCTTGATCCATGC -3'

Sequencing Primer
(F):5'- GACAGGCATCTCAGGTTAAAAATC -3'
(R):5'- AGTCTTGATCCATGCTGAACAC -3'
Posted On 2018-05-21