Incidental Mutation 'R7046:Mtr'
ID 547335
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
MMRRC Submission 045144-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7046 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 12197598-12272999 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) C to A at 12205095 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Alanine to Serine at position 1122 (A1122S)
Ref Sequence ENSEMBL: ENSMUSP00000097442 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099856]
AlphaFold A6H5Y3
Predicted Effect possibly damaging
Transcript: ENSMUST00000099856
AA Change: A1122S

PolyPhen 2 Score 0.582 (Sensitivity: 0.88; Specificity: 0.91)
SMART Domains Protein: ENSMUSP00000097442
Gene: ENSMUSG00000021311
AA Change: A1122S

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.7%
  • 20x: 99.0%
Validation Efficiency 100% (63/63)
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: 65 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abcc8 T C 7: 45,772,364 (GRCm39) Y805C probably damaging Het
Aoc1l3 T A 6: 48,964,512 (GRCm39) D173E probably benign Het
Cabp7 T A 11: 4,688,886 (GRCm39) I195F probably damaging Het
Camsap1 T C 2: 25,835,201 (GRCm39) N317S probably damaging Het
Ccdc127 T G 13: 74,500,994 (GRCm39) L4V probably damaging Het
Ccdc7a T C 8: 129,774,100 (GRCm39) E145G probably damaging Het
Cdh10 T A 15: 19,013,287 (GRCm39) V629D probably damaging Het
Cdh23 A C 10: 60,214,530 (GRCm39) L1497R probably damaging Het
Chsy3 A G 18: 59,542,875 (GRCm39) K671R probably benign Het
Clca4b T C 3: 144,621,367 (GRCm39) Y569C probably damaging Het
Cnga1 T C 5: 72,786,696 (GRCm39) probably benign Het
Cyp51 T A 5: 4,150,188 (GRCm39) E178D probably damaging Het
Defa30 T A 8: 21,625,471 (GRCm39) N78K probably benign Het
Disp1 C A 1: 182,869,030 (GRCm39) R1130L probably damaging Het
Dnah14 G T 1: 181,450,568 (GRCm39) C727F probably benign Het
Egf A T 3: 129,548,607 (GRCm39) W3R unknown Het
Egfem1 G A 3: 29,136,364 (GRCm39) probably null Het
Epb41l1 G T 2: 156,368,812 (GRCm39) V682L possibly damaging Het
Etv1 A G 12: 38,834,369 (GRCm39) probably null Het
Faap100 A G 11: 120,268,200 (GRCm39) F191S possibly damaging Het
Fmo1 T A 1: 162,667,263 (GRCm39) D184V possibly damaging Het
Ghrl A G 6: 113,696,344 (GRCm39) L16P probably damaging Het
Gria4 T A 9: 4,420,278 (GRCm39) L861F probably damaging Het
Gsr T A 8: 34,185,090 (GRCm39) M428K probably damaging Het
Hspa5 C T 2: 34,663,204 (GRCm39) P127L probably damaging Het
Kbtbd12 A G 6: 88,595,497 (GRCm39) M111T possibly damaging Het
Krtap21-1 G T 16: 89,200,623 (GRCm39) Y6* probably null Het
Lin9 A G 1: 180,494,935 (GRCm39) D219G probably damaging Het
Lrrc38 A G 4: 143,076,739 (GRCm39) M1V probably null Het
Macc1 T G 12: 119,410,773 (GRCm39) F514V probably benign Het
Madcam1 C T 10: 79,504,139 (GRCm39) R242C probably benign Het
Mfhas1 T C 8: 36,131,944 (GRCm39) S1037P probably benign Het
Micall2 C T 5: 139,694,699 (GRCm39) probably benign Het
Muc6 T A 7: 141,226,456 (GRCm39) probably benign Het
Myh15 T A 16: 48,929,662 (GRCm39) C529* probably null Het
Napsa T C 7: 44,234,509 (GRCm39) V247A probably damaging Het
Nr2c2 A G 6: 92,135,338 (GRCm39) T309A probably damaging Het
Or1e26 A T 11: 73,480,558 (GRCm39) I2K probably benign Het
Or1q1 T A 2: 36,887,173 (GRCm39) V117E probably benign Het
Or2n1b A T 17: 38,459,691 (GRCm39) M71L probably benign Het
Osgepl1 A T 1: 53,360,710 (GRCm39) I384F possibly damaging Het
Otud4 C T 8: 80,377,671 (GRCm39) L111F possibly damaging Het
Pds5b A G 5: 150,673,385 (GRCm39) Y481C probably damaging Het
Pdzrn4 T A 15: 92,668,303 (GRCm39) Y818* probably null Het
Pin1rt1 T C 2: 104,544,767 (GRCm39) S122G probably benign Het
Pkdcc A T 17: 83,531,687 (GRCm39) Y487F probably damaging Het
Plxna4 C T 6: 32,493,440 (GRCm39) C392Y probably damaging Het
Psd4 T G 2: 24,284,985 (GRCm39) M283R probably benign Het
Ralgds G T 2: 28,430,741 (GRCm39) G68W probably damaging Het
Rmdn2 T A 17: 79,928,808 (GRCm39) I20N probably damaging Het
Sestd1 A G 2: 77,022,910 (GRCm39) V486A probably benign Het
Skic8 T A 9: 54,626,539 (GRCm39) D275V probably damaging Het
Spmap2 G T 10: 79,422,796 (GRCm39) D35E probably benign Het
Tango6 A G 8: 107,533,748 (GRCm39) H958R possibly damaging Het
Taok3 C T 5: 117,411,771 (GRCm39) R857C probably damaging Het
Tasor A T 14: 27,194,392 (GRCm39) L1197F probably damaging Het
Trio T C 15: 27,832,137 (GRCm39) E1245G probably damaging Het
Usp19 C T 9: 108,374,334 (GRCm39) H763Y possibly damaging Het
Vmn1r185 A G 7: 26,310,651 (GRCm39) S285P probably damaging Het
Vmn1r45 T G 6: 89,910,538 (GRCm39) Y144S probably benign Het
Vwa3b G A 1: 37,212,959 (GRCm39) E152K probably benign Het
Xrcc5 G A 1: 72,433,875 (GRCm39) M731I probably benign Het
Zfp619 G A 7: 39,186,787 (GRCm39) S939N possibly damaging Het
Zfp874a C A 13: 67,590,418 (GRCm39) C422F probably damaging Het
Zfp948 A G 17: 21,808,719 (GRCm39) D637G possibly 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
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
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'- AGCAATGAAGGTTTCTCTTTGCTC -3'
(R):5'- GATTTTCAGGCTGAGAAGGACTC -3'

Sequencing Primer
(F):5'- TTTGCTCAAAAGATGACACATGAGCG -3'
(R):5'- TTCTAGTACAGACCCCTACCACTG -3'
Posted On 2019-05-13