Incidental Mutation 'R9097:Mtrr'
ID 691432
Institutional Source Beutler Lab
Gene Symbol Mtrr
Ensembl Gene ENSMUSG00000034617
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase reductase
Synonyms
MMRRC Submission 068912-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R9097 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 68708899-68730268 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 68723441 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 157 (L157P)
Ref Sequence ENSEMBL: ENSMUSP00000039810 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000045827] [ENSMUST00000220973] [ENSMUST00000221259] [ENSMUST00000222107] [ENSMUST00000223101] [ENSMUST00000223398]
AlphaFold no structure available at present
Predicted Effect probably benign
Transcript: ENSMUST00000045827
AA Change: L157P

PolyPhen 2 Score 0.283 (Sensitivity: 0.91; Specificity: 0.88)
SMART Domains Protein: ENSMUSP00000039810
Gene: ENSMUSG00000034617
AA Change: L157P

DomainStartEndE-ValueType
Pfam:Flavodoxin_5 5 126 2.7e-9 PFAM
Pfam:Flavodoxin_1 6 142 4.3e-32 PFAM
Pfam:FAD_binding_1 267 490 2.6e-51 PFAM
Pfam:NAD_binding_1 540 660 5.4e-21 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000220973
Predicted Effect probably benign
Transcript: ENSMUST00000221259
Predicted Effect probably benign
Transcript: ENSMUST00000222107
Predicted Effect probably benign
Transcript: ENSMUST00000223101
Predicted Effect probably benign
Transcript: ENSMUST00000223398
AA Change: L157P

PolyPhen 2 Score 0.283 (Sensitivity: 0.91; Specificity: 0.88)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.5%
  • 20x: 98.1%
Validation Efficiency 96% (50/52)
MGI Phenotype FUNCTION: Methionine is an essential amino acid required for protein synthesis and one-carbon metabolism. Its synthesis is catalyzed by the enzyme methionine synthase. Methionine synthase eventually becomes inactive due to the oxidation of its cob(I)alamin cofactor. The protein encoded by this gene regenerates a functional methionine synthase via reductive methylation. It is a member of the ferredoxin-NADP(+) reductase (FNR) family of electron transferases. Mutations in a similar gene in human have been associated with cblE complementation type homocystinuria-megaloblastic anemia and susceptibility to folate-sensitive neural tube defects. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, May 2015]
PHENOTYPE: Mice homozygous for a hypomorphic gene trap allele are viable and display a male-specific reduction in postnatal weight gain as well as hyperhomocysteinemia, hypomethionemia, increased tissue methyltetrahydrofolate, and AdoMet/AdoHcy ratios that range from high to slightly below normal. [provided by MGI curators]
Allele List at MGI

All alleles(46) : Gene trapped(46)

Other mutations in this stock
Total: 56 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Antxrl G A 14: 33,793,660 (GRCm39) V463I probably benign Het
Aox1 T A 1: 58,326,887 (GRCm39) L162Q possibly damaging Het
Arhgap40 A T 2: 158,389,584 (GRCm39) M586L probably benign Het
Arnt G T 3: 95,397,588 (GRCm39) S535I probably benign Het
Bsx G T 9: 40,785,636 (GRCm39) G55C probably damaging Het
Ccdc168 T C 1: 44,098,049 (GRCm39) I1016M possibly damaging Het
Col9a1 A T 1: 24,224,207 (GRCm39) I130F unknown Het
Cyp51 G T 5: 4,149,172 (GRCm39) T235N possibly damaging Het
Depdc1a T A 3: 159,204,117 (GRCm39) D55E probably benign Het
Dlc1 A T 8: 37,080,721 (GRCm39) I10N probably benign Het
Dzank1 G T 2: 144,316,882 (GRCm39) L767I possibly damaging Het
Eif3k A T 7: 28,671,660 (GRCm39) *193K probably null Het
Eprs1 C A 1: 185,139,303 (GRCm39) A896E probably benign Het
Evc2 T A 5: 37,550,505 (GRCm39) F840I possibly damaging Het
Fut2 G T 7: 45,300,375 (GRCm39) H132Q probably benign Het
Gbp11 T C 5: 105,474,347 (GRCm39) *443W probably null Het
Gimd1 T A 3: 132,340,661 (GRCm39) M59K probably benign Het
Glis2 A G 16: 4,429,640 (GRCm39) T228A probably damaging Het
Gm21663 G C 5: 26,147,167 (GRCm39) C46W probably benign Het
Gpr162 A G 6: 124,836,570 (GRCm39) I367T probably benign Het
Grik1 G A 16: 87,732,796 (GRCm39) T692I Het
Igf2r G T 17: 12,910,100 (GRCm39) A2043D probably damaging Het
Il12b C A 11: 44,301,107 (GRCm39) L208M probably benign Het
Il12b T A 11: 44,301,108 (GRCm39) L208Q probably damaging Het
Lrrk2 C T 15: 91,557,459 (GRCm39) probably benign Het
Map3k9 T C 12: 81,819,855 (GRCm39) D133G possibly damaging Het
Mrc2 A G 11: 105,231,398 (GRCm39) D777G probably damaging Het
Nol4l C A 2: 153,312,630 (GRCm39) R226L probably damaging Het
Nsmaf CAAACTTTTAAACTT CAAACTT 4: 6,416,543 (GRCm39) probably null Het
Or4f7 T A 2: 111,644,196 (GRCm39) K292* probably null Het
Or51f23c-ps1 A G 7: 102,431,475 (GRCm39) H264R probably damaging Het
Or5p73 A T 7: 108,064,815 (GRCm39) I95F probably damaging Het
Or6c7 T A 10: 129,323,647 (GRCm39) M256K possibly damaging Het
Or7g22 G A 9: 19,048,670 (GRCm39) C127Y probably damaging Het
Or9g8 T A 2: 85,607,669 (GRCm39) V247E probably damaging Het
Pkn2 C T 3: 142,515,249 (GRCm39) R695Q probably benign Het
Ppp1r9a A G 6: 4,906,012 (GRCm39) D189G probably damaging Het
Prkca A G 11: 107,905,061 (GRCm39) S226P probably benign Het
Ptpru T C 4: 131,499,843 (GRCm39) N1267S probably damaging Het
Retnlb T A 16: 48,638,980 (GRCm39) probably benign Het
Rrp12 A T 19: 41,878,577 (GRCm39) D189E probably benign Het
Serpinb7 G A 1: 107,377,907 (GRCm39) C200Y probably damaging Het
Sez6 G A 11: 77,865,121 (GRCm39) E623K possibly damaging Het
Stk32a A T 18: 43,446,497 (GRCm39) M316L possibly damaging Het
Supt6 G T 11: 78,113,100 (GRCm39) H948N probably benign Het
Sycp2l A T 13: 41,300,070 (GRCm39) D428V possibly damaging Het
Tasp1 A T 2: 139,725,690 (GRCm39) probably null Het
Telo2 T C 17: 25,324,066 (GRCm39) T550A probably benign Het
Tmem131l A T 3: 83,850,122 (GRCm39) N225K probably damaging Het
Tnc T C 4: 63,888,622 (GRCm39) T1724A possibly damaging Het
Tyk2 C A 9: 21,020,072 (GRCm39) E1029* probably null Het
Uhmk1 C T 1: 170,042,879 (GRCm39) probably benign Het
Vav2 G A 2: 27,181,850 (GRCm39) R330W probably damaging Het
Vmn1r16 A T 6: 57,300,250 (GRCm39) I124N probably benign Het
Vmn1r181 A G 7: 23,684,444 (GRCm39) N303S probably benign Het
Vmn1r50 G A 6: 90,085,022 (GRCm39) V256I probably benign Het
Other mutations in Mtrr
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01787:Mtrr APN 13 68,719,266 (GRCm39) missense probably damaging 1.00
IGL01806:Mtrr APN 13 68,728,719 (GRCm39) missense possibly damaging 0.92
IGL01808:Mtrr APN 13 68,714,212 (GRCm39) missense probably benign 0.00
IGL01875:Mtrr APN 13 68,720,728 (GRCm39) missense probably damaging 1.00
IGL02137:Mtrr APN 13 68,716,920 (GRCm39) missense possibly damaging 0.75
IGL02186:Mtrr APN 13 68,712,476 (GRCm39) missense probably benign
IGL03114:Mtrr APN 13 68,712,441 (GRCm39) nonsense probably null
3-1:Mtrr UTSW 13 68,723,135 (GRCm39) critical splice donor site probably null
H8562:Mtrr UTSW 13 68,712,496 (GRCm39) missense probably damaging 0.97
N/A:Mtrr UTSW 13 68,723,516 (GRCm39) splice site probably benign
R0007:Mtrr UTSW 13 68,723,449 (GRCm39) missense probably benign 0.02
R0741:Mtrr UTSW 13 68,727,658 (GRCm39) splice site probably null
R2140:Mtrr UTSW 13 68,717,059 (GRCm39) missense possibly damaging 0.47
R2513:Mtrr UTSW 13 68,715,092 (GRCm39) nonsense probably null
R4604:Mtrr UTSW 13 68,712,631 (GRCm39) splice site probably null
R5501:Mtrr UTSW 13 68,727,766 (GRCm39) missense probably damaging 1.00
R5658:Mtrr UTSW 13 68,717,034 (GRCm39) missense possibly damaging 0.67
R6477:Mtrr UTSW 13 68,718,192 (GRCm39) missense probably damaging 1.00
R6694:Mtrr UTSW 13 68,712,452 (GRCm39) missense probably benign
R6979:Mtrr UTSW 13 68,718,122 (GRCm39) critical splice donor site probably null
R7094:Mtrr UTSW 13 68,727,803 (GRCm39) missense possibly damaging 0.83
R7296:Mtrr UTSW 13 68,716,979 (GRCm39) nonsense probably null
R7354:Mtrr UTSW 13 68,714,326 (GRCm39) missense probably damaging 1.00
R7378:Mtrr UTSW 13 68,712,521 (GRCm39) missense probably damaging 1.00
R7546:Mtrr UTSW 13 68,730,268 (GRCm39) unclassified probably benign
R7562:Mtrr UTSW 13 68,714,336 (GRCm39) missense probably damaging 0.96
R7759:Mtrr UTSW 13 68,718,146 (GRCm39) missense probably damaging 1.00
R7975:Mtrr UTSW 13 68,727,666 (GRCm39) splice site probably null
R8101:Mtrr UTSW 13 68,725,740 (GRCm39) missense probably damaging 1.00
R8168:Mtrr UTSW 13 68,720,732 (GRCm39) missense probably benign 0.00
R9260:Mtrr UTSW 13 68,728,674 (GRCm39) missense possibly damaging 0.70
R9295:Mtrr UTSW 13 68,719,258 (GRCm39) missense possibly damaging 0.94
R9516:Mtrr UTSW 13 68,720,755 (GRCm39) missense probably benign 0.00
R9517:Mtrr UTSW 13 68,728,730 (GRCm39) missense probably benign 0.06
R9627:Mtrr UTSW 13 68,725,756 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CTTAGAGAGCTCTGGGAGAGTG -3'
(R):5'- GTCCTCTGCCAATAACACGC -3'

Sequencing Primer
(F):5'- CGAGGAGTCAAAGTCTTCGATCC -3'
(R):5'- GCACAAACTACTGCTGTACCCTTG -3'
Posted On 2021-12-30