Incidental Mutation 'R7094:Mtrr'
ID 550376
Institutional Source Beutler Lab
Gene Symbol Mtrr
Ensembl Gene ENSMUSG00000034617
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase reductase
Synonyms
MMRRC Submission 045187-MU
Accession Numbers
Essential gene? Non essential (E-score: 0.000) question?
Stock # R7094 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 68708899-68730268 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 68727803 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Threonine to Alanine at position 48 (T48A)
Ref Sequence ENSEMBL: ENSMUSP00000039810 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000045827] [ENSMUST00000051784] [ENSMUST00000220973] [ENSMUST00000221259] [ENSMUST00000222107] [ENSMUST00000222631] [ENSMUST00000222660] [ENSMUST00000223101] [ENSMUST00000223187] [ENSMUST00000223319] [ENSMUST00000223398]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000045827
AA Change: T48A

PolyPhen 2 Score 0.830 (Sensitivity: 0.84; Specificity: 0.93)
SMART Domains Protein: ENSMUSP00000039810
Gene: ENSMUSG00000034617
AA Change: T48A

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: ENSMUST00000051784
SMART Domains Protein: ENSMUSP00000061737
Gene: ENSMUSG00000021532

DomainStartEndE-ValueType
low complexity region 178 189 N/A INTRINSIC
Pfam:FAST_1 410 478 2.9e-22 PFAM
Pfam:FAST_2 491 581 3.1e-28 PFAM
RAP 594 651 7.58e-20 SMART
Predicted Effect possibly damaging
Transcript: ENSMUST00000220973
AA Change: T48A

PolyPhen 2 Score 0.830 (Sensitivity: 0.84; Specificity: 0.93)
Predicted Effect possibly damaging
Transcript: ENSMUST00000221259
AA Change: T48A

PolyPhen 2 Score 0.696 (Sensitivity: 0.86; Specificity: 0.92)
Predicted Effect probably benign
Transcript: ENSMUST00000222107
Predicted Effect probably benign
Transcript: ENSMUST00000222631
Predicted Effect probably benign
Transcript: ENSMUST00000222660
Predicted Effect probably benign
Transcript: ENSMUST00000223101
AA Change: T48A

PolyPhen 2 Score 0.028 (Sensitivity: 0.95; Specificity: 0.81)
Predicted Effect probably benign
Transcript: ENSMUST00000223187
Predicted Effect probably benign
Transcript: ENSMUST00000223319
Predicted Effect possibly damaging
Transcript: ENSMUST00000223398
AA Change: T48A

PolyPhen 2 Score 0.830 (Sensitivity: 0.84; Specificity: 0.93)
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.1%
Validation Efficiency 97% (59/61)
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: 60 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca13 A T 11: 9,248,610 (GRCm39) I2786F probably damaging Het
Actl6a A T 3: 32,760,487 (GRCm39) probably benign Het
Actn2 A G 13: 12,324,543 (GRCm39) V100A probably damaging Het
Arfgef3 G T 10: 18,522,187 (GRCm39) A613E probably damaging Het
Atf6b G A 17: 34,872,790 (GRCm39) probably null Het
Bub1 T A 2: 127,663,681 (GRCm39) E240V probably null Het
C1ra G A 6: 124,494,684 (GRCm39) E316K probably benign Het
Ccdc141 C A 2: 76,871,797 (GRCm39) R829L possibly damaging Het
Ccdc85c GCCGCCGCCGCCAGCGCCCCCCGCCGCCGCCAGCGCC GCCGCCGCCGCCAGCGCC 12: 108,240,877 (GRCm39) probably null Het
Cd209g T C 8: 4,186,790 (GRCm39) F112L possibly damaging Het
Cebpe C T 14: 54,948,060 (GRCm39) R261H probably damaging Het
Cfap100 T C 6: 90,390,436 (GRCm39) E68G Het
Chd9 A G 8: 91,716,189 (GRCm39) N921S unknown Het
Chil6 T C 3: 106,311,486 (GRCm39) N98S probably damaging Het
Clip1 T C 5: 123,761,333 (GRCm39) K734E probably benign Het
Cracd C T 5: 77,006,879 (GRCm39) P1080L unknown Het
Cyp11b2 A G 15: 74,725,507 (GRCm39) F204S possibly damaging Het
Dnah5 A G 15: 28,453,482 (GRCm39) T4418A probably damaging Het
Dysf T C 6: 84,077,184 (GRCm39) V649A probably benign Het
Ergic3 G A 2: 155,858,683 (GRCm39) V270M possibly damaging Het
Eva1a C T 6: 82,069,024 (GRCm39) T117I probably damaging Het
Fat4 G A 3: 38,944,023 (GRCm39) G972D probably damaging Het
Gm14412 A T 2: 177,009,138 (GRCm39) N39K probably damaging Het
Gm5565 T C 5: 146,095,084 (GRCm39) T221A probably benign Het
Gnptab T G 10: 88,215,366 (GRCm39) V29G possibly damaging Het
Grem2 T C 1: 174,664,555 (GRCm39) Y98C probably damaging Het
Grik2 A T 10: 49,232,012 (GRCm39) I506N possibly damaging Het
Has2 T A 15: 56,545,017 (GRCm39) Y195F probably damaging Het
Kics2 A G 10: 121,576,098 (GRCm39) Y73C possibly damaging Het
Lars2 T C 9: 123,288,650 (GRCm39) L832P probably damaging Het
Lipo5 T A 19: 33,446,249 (GRCm39) E49D probably damaging Het
Macc1 T A 12: 119,414,126 (GRCm39) Y767* probably null Het
Map2 G T 1: 66,451,886 (GRCm39) E259* probably null Het
Mcm9 T C 10: 53,496,253 (GRCm39) D310G probably damaging Het
Mink1 C A 11: 70,500,901 (GRCm39) probably null Het
Nrsn1 A T 13: 25,437,724 (GRCm39) I68N possibly damaging Het
Or1ab2 A T 8: 72,863,347 (GRCm39) probably benign Het
Or4a71 A T 2: 89,357,902 (GRCm39) I284K probably damaging Het
Or51f23b A G 7: 102,402,305 (GRCm39) M277T probably benign Het
Or5p60 G T 7: 107,723,840 (GRCm39) T210N probably benign Het
Or8k36-ps1 T C 2: 86,437,672 (GRCm39) N81S unknown Het
Pcdh17 A G 14: 84,684,835 (GRCm39) D434G probably damaging Het
Rnf213 T A 11: 119,328,430 (GRCm39) probably null Het
Selplg GTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCT GTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCTGCCTCCATGGGTGCTGGCTGCGAGGTCTCT 5: 113,957,756 (GRCm39) probably benign Het
Sez6l2 A G 7: 126,552,096 (GRCm39) E121G probably damaging Het
Slc35e4 T C 11: 3,863,118 (GRCm39) S24G probably benign Het
Slc39a2 G T 14: 52,131,146 (GRCm39) probably benign Het
Slitrk5 C T 14: 111,918,268 (GRCm39) P631S probably benign Het
Taf2 A G 15: 54,923,482 (GRCm39) V265A probably benign Het
Tas2r106 T C 6: 131,655,542 (GRCm39) N103S probably benign Het
Tgm1 T C 14: 55,942,300 (GRCm39) T684A possibly damaging Het
Tgm7 C T 2: 120,929,489 (GRCm39) G262S probably damaging Het
Tpp2 T A 1: 44,008,148 (GRCm39) S451T probably damaging Het
Trim15 T C 17: 37,173,788 (GRCm39) Y240C probably benign Het
Trio A T 15: 27,891,534 (GRCm39) C465S unknown Het
Ttc22 G A 4: 106,493,104 (GRCm39) W250* probably null Het
Upb1 C A 10: 75,274,042 (GRCm39) F356L probably damaging Het
Vmn2r99 T A 17: 19,599,573 (GRCm39) M419K probably benign Het
Vstm2a G A 11: 16,207,990 (GRCm39) probably benign Het
Zfp820 T C 17: 22,038,246 (GRCm39) T361A 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
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
R9097:Mtrr UTSW 13 68,723,441 (GRCm39) missense probably benign 0.28
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'- GTTCCTTGGCACTGATTTTAAACG -3'
(R):5'- AGGCATCTAGTCACAGCACTG -3'

Sequencing Primer
(F):5'- GGCACTGATTTTAAACGAATCACAG -3'
(R):5'- TCACAGCACTGTTGACCAGGATATG -3'
Posted On 2019-05-15