Incidental Mutation 'R4895:Mtr'
ID 377588
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
MMRRC Submission 042499-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4895 (G1)
Quality Score 204
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: 99.1%
  • 3x: 98.5%
  • 10x: 96.8%
  • 20x: 94.0%
Validation Efficiency 98% (84/86)
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: 80 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4930519P11Rik C A 2: 154,454,990 (GRCm39) probably benign Het
Abat G A 16: 8,433,826 (GRCm39) A392T probably benign Het
Abca14 G A 7: 119,846,572 (GRCm39) probably null Het
Abcc6 A T 7: 45,630,414 (GRCm39) L1282Q possibly damaging Het
Acss2 A G 2: 155,392,401 (GRCm39) probably benign Het
Adgrf1 G T 17: 43,621,511 (GRCm39) V583L probably benign Het
Aftph T C 11: 20,646,801 (GRCm39) D825G probably damaging Het
Ahnak T C 19: 8,994,805 (GRCm39) V5363A probably benign Het
Apba3 G A 10: 81,107,117 (GRCm39) probably null Het
Asb13 T C 13: 3,693,589 (GRCm39) Y116H probably damaging Het
Asb4 C A 6: 5,398,266 (GRCm39) T77K probably damaging Het
Atp8b4 A T 2: 126,256,289 (GRCm39) H223Q probably benign Het
Best1 A G 19: 9,970,135 (GRCm39) L159P probably benign Het
Cacna1h A T 17: 25,608,396 (GRCm39) M731K probably damaging Het
Catspere1 T A 1: 177,687,427 (GRCm39) noncoding transcript Het
Cenpv A T 11: 62,418,346 (GRCm39) Y202* probably null Het
Cep57 A T 9: 13,727,449 (GRCm39) probably benign Het
Cfap100 T A 6: 90,383,084 (GRCm39) D363V possibly damaging Het
Cluh A G 11: 74,558,231 (GRCm39) Y1126C probably damaging Het
Cyp2j5 A G 4: 96,551,347 (GRCm39) probably null Het
Dnajc11 T C 4: 152,064,390 (GRCm39) F514L probably damaging Het
Efcab3 C T 11: 104,611,112 (GRCm39) T318I probably benign Het
Efcab3 T A 11: 105,008,227 (GRCm39) probably benign Het
Efcab3 A G 11: 104,640,496 (GRCm39) D1026G probably damaging Het
Eif2b4 T G 5: 31,350,298 (GRCm39) Q8P probably benign Het
Epha6 A T 16: 59,486,918 (GRCm39) V1043E probably benign Het
Gm11562 G T 11: 99,511,141 (GRCm39) Q20K unknown Het
Gm14415 A T 2: 176,796,114 (GRCm39) noncoding transcript Het
Gm5431 A G 11: 48,779,855 (GRCm39) S634P probably damaging Het
Gpld1 C A 13: 25,163,711 (GRCm39) N501K probably damaging Het
Gsn C T 2: 35,192,590 (GRCm39) R513C probably damaging Het
Gulp1 T C 1: 44,827,757 (GRCm39) F300L probably benign Het
H2aj T C 6: 136,785,660 (GRCm39) V108A possibly damaging Het
Haus3 T C 5: 34,325,414 (GRCm39) R82G probably benign Het
Herc2 G A 7: 55,872,734 (GRCm39) R4424H probably damaging Het
Hmcn1 T A 1: 150,553,130 (GRCm39) Q2520L probably benign Het
Hs2st1 T C 3: 144,171,014 (GRCm39) I53V probably benign Het
Inpp5e C T 2: 26,287,924 (GRCm39) R624Q probably damaging Het
Ints8 G T 4: 11,230,367 (GRCm39) C491* probably null Het
Itpkb C A 1: 180,241,460 (GRCm39) A710D probably damaging Het
Kcnk4 A C 19: 6,905,784 (GRCm39) probably null Het
Kmt2d T C 15: 98,742,368 (GRCm39) probably benign Het
Lamb3 C T 1: 193,014,622 (GRCm39) R594* probably null Het
Map3k20 A G 2: 72,232,700 (GRCm39) probably benign Het
Maz A T 7: 126,624,472 (GRCm39) probably null Het
Nbeal1 A G 1: 60,332,062 (GRCm39) E2252G probably damaging Het
Ndufa10 A G 1: 92,397,618 (GRCm39) Y61H probably damaging Het
Npat T A 9: 53,481,789 (GRCm39) L1166M probably damaging Het
Or12e1 A C 2: 87,022,192 (GRCm39) I54L probably benign Het
Or4c108 A T 2: 88,804,055 (GRCm39) F60Y probably benign Het
Or5ak20 A T 2: 85,183,341 (GRCm39) *310K probably null Het
Or5b97 C T 19: 12,878,251 (GRCm39) V298M probably damaging Het
Or5h22 C T 16: 58,895,020 (GRCm39) C141Y probably benign Het
Or5p66 A C 7: 107,885,802 (GRCm39) I177S probably damaging Het
Pcdhb3 T C 18: 37,434,759 (GRCm39) F242L probably damaging Het
Phip A G 9: 82,841,648 (GRCm39) V57A probably benign Het
Plekha7 A T 7: 115,788,626 (GRCm39) probably null Het
Pot1a A C 6: 25,753,205 (GRCm39) F444V probably damaging Het
Ppm1a C T 12: 72,831,126 (GRCm39) P217L probably damaging Het
Prepl A G 17: 85,388,494 (GRCm39) F203S probably damaging Het
Prl8a1 T C 13: 27,759,513 (GRCm39) I175V probably benign Het
Ranbp6 A T 19: 29,787,175 (GRCm39) I1059N possibly damaging Het
Rhag A G 17: 41,122,242 (GRCm39) Q59R probably benign Het
Sema4c A C 1: 36,592,651 (GRCm39) probably null Het
Sf3b3 T C 8: 111,542,656 (GRCm39) D902G probably benign Het
Tbc1d23 A G 16: 57,019,220 (GRCm39) probably null Het
Tbrg1 A T 9: 37,566,375 (GRCm39) I54N probably damaging Het
Tchh A T 3: 93,352,993 (GRCm39) E811V unknown Het
Tenm3 T A 8: 48,754,006 (GRCm39) D799V probably damaging Het
Tlr5 T C 1: 182,801,764 (GRCm39) L342P probably damaging Het
Tppp C T 13: 74,178,996 (GRCm39) R146* probably null Het
Trpm4 A T 7: 44,967,482 (GRCm39) M574K probably damaging Het
Uggt1 A T 1: 36,195,345 (GRCm39) F1288Y probably damaging Het
Uggt2 T A 14: 119,256,298 (GRCm39) K1124N probably damaging Het
Usf3 A C 16: 44,041,459 (GRCm39) S1980R possibly damaging Het
Vav2 T C 2: 27,208,973 (GRCm39) D100G probably damaging Het
Vmn2r3 G T 3: 64,167,182 (GRCm39) H650N probably benign Het
Vmn2r59 T A 7: 41,695,218 (GRCm39) Y398F probably damaging Het
Zfp619 A G 7: 39,187,396 (GRCm39) D1142G possibly damaging Het
Zfp933 G A 4: 147,910,892 (GRCm39) R235* probably null 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
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
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 2016-03-17