Incidental Mutation 'R3849:Mtr'
ID 275830
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
MMRRC Submission 040897-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R3849 (G1)
Quality Score 225
Status Validated
Chromosome 13
Chromosomal Location 12197598-12272999 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 12262251 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Serine to Proline at position 152 (S152P)
Ref Sequence ENSEMBL: ENSMUSP00000152579 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099856] [ENSMUST00000221290]
AlphaFold A6H5Y3
Predicted Effect probably benign
Transcript: ENSMUST00000099856
AA Change: V175A

PolyPhen 2 Score 0.001 (Sensitivity: 0.99; Specificity: 0.15)
SMART Domains Protein: ENSMUSP00000097442
Gene: ENSMUSG00000021311
AA Change: V175A

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
AA Change: S152P

PolyPhen 2 Score 0.160 (Sensitivity: 0.92; Specificity: 0.87)
Meta Mutation Damage Score 0.0898 question?
Coding Region Coverage
  • 1x: 99.3%
  • 3x: 98.8%
  • 10x: 97.7%
  • 20x: 96.1%
Validation Efficiency 100% (52/52)
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
9430038I01Rik A T 7: 136,978,069 (GRCm39) N102K possibly damaging Het
Abca1 C T 4: 53,061,481 (GRCm39) probably benign Het
Adamts17 T A 7: 66,490,215 (GRCm39) L99Q possibly damaging Het
Adamtsl1 A T 4: 86,336,783 (GRCm39) Q1564L probably damaging Het
Aspm T A 1: 139,386,024 (GRCm39) V556E probably benign Het
Axin1 T A 17: 26,406,771 (GRCm39) Y455N probably benign Het
Cacna2d3 A G 14: 29,069,077 (GRCm39) probably null Het
Car8 T A 4: 8,189,353 (GRCm39) I154F probably benign Het
Ccl27a T A 4: 41,773,232 (GRCm39) T76S probably benign Het
Cep170 G A 1: 176,583,409 (GRCm39) A990V probably benign Het
Chd1 A T 17: 15,952,133 (GRCm39) T291S probably damaging Het
Col3a1 C A 1: 45,361,150 (GRCm39) P112T unknown Het
Cpa4 T C 6: 30,590,872 (GRCm39) F390S probably damaging Het
Cul5 T G 9: 53,529,286 (GRCm39) M800L probably benign Het
Dst C T 1: 34,251,400 (GRCm39) S4165F probably damaging Het
Dusp8 T C 7: 141,643,802 (GRCm39) E37G probably damaging Het
Efr3b T C 12: 4,033,414 (GRCm39) N131S probably benign Het
Fan1 T C 7: 64,022,119 (GRCm39) Y378C probably damaging Het
Fcgr2b T C 1: 170,795,704 (GRCm39) N75S possibly damaging Het
Foxp4 A G 17: 48,186,453 (GRCm39) I442T unknown Het
Gp9 A G 6: 87,756,133 (GRCm39) I49M probably benign Het
Grip1 G A 10: 119,765,863 (GRCm39) G65D probably damaging Het
Hoxc10 T C 15: 102,875,879 (GRCm39) V196A probably benign Het
Hpx A G 7: 105,245,498 (GRCm39) C92R probably damaging Het
Ighv1-22 A G 12: 114,710,301 (GRCm39) F9S possibly damaging Het
Kif24 C T 4: 41,404,734 (GRCm39) R422H probably damaging Het
Klk1b1 T C 7: 43,618,751 (GRCm39) Y43H probably damaging Het
Lmo7 A G 14: 102,159,531 (GRCm39) probably null Het
Lrguk A G 6: 34,050,703 (GRCm39) D387G probably damaging Het
Lysmd1 G A 3: 95,045,772 (GRCm39) G203D probably damaging Het
Mpnd T C 17: 56,318,692 (GRCm39) S150P probably damaging Het
Mrc2 T C 11: 105,183,729 (GRCm39) probably null Het
Naip2 A T 13: 100,315,940 (GRCm39) L280Q probably damaging Het
Naip2 G C 13: 100,315,941 (GRCm39) L280V probably damaging Het
Ndufa13 T C 8: 70,354,260 (GRCm39) D9G probably damaging Het
Nek1 T A 8: 61,525,349 (GRCm39) F596I probably damaging Het
Nsd1 A G 13: 55,394,504 (GRCm39) T702A probably benign Het
Or7d10 A T 9: 19,832,105 (GRCm39) Y200F probably damaging Het
Pam T A 1: 97,782,481 (GRCm39) probably benign Het
Plxna1 C A 6: 89,333,501 (GRCm39) R376L probably damaging Het
Plxnc1 A G 10: 94,630,294 (GRCm39) V1535A probably benign Het
Prdx5 A G 19: 6,884,218 (GRCm39) L166P probably damaging Het
Prol1 A T 5: 88,476,476 (GRCm39) I289F unknown Het
Prss23 T C 7: 89,158,959 (GRCm39) Y370C probably damaging Het
Rimbp3 A T 16: 17,028,163 (GRCm39) H529L probably benign Het
Rnase2b T A 14: 51,400,205 (GRCm39) H95Q probably damaging Het
Rnf103 C G 6: 71,485,859 (GRCm39) C163W probably damaging Het
Rnf17 T C 14: 56,749,753 (GRCm39) V1433A probably damaging Het
Rusf1 C T 7: 127,884,380 (GRCm39) V201I probably damaging Het
Syne2 C T 12: 76,092,839 (GRCm39) Q5150* probably null Het
Tas2r110 T A 6: 132,845,638 (GRCm39) I223N probably damaging Het
Tead2 T A 7: 44,881,752 (GRCm39) probably null Het
Vwa3a A T 7: 120,361,687 (GRCm39) K133* probably null Het
Vwce T C 19: 10,624,269 (GRCm39) S387P probably damaging Het
Zbtb41 T A 1: 139,351,734 (GRCm39) H282Q probably benign 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
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
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'- GGAATATGTTTTCTAGACTCAGGTG -3'
(R):5'- ACATTGCATTTGGTTCCTGGC -3'

Sequencing Primer
(F):5'- TGGTGTCAGTCAGAGCCAGAC -3'
(R):5'- CTGGCGTGCTATCCACTGTG -3'
Posted On 2015-04-06