Incidental Mutation 'R7705:Mtr'
ID 594251
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
MMRRC Submission 045766-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7705 (G1)
Quality Score 225.009
Status Validated
Chromosome 13
Chromosomal Location 12197598-12272999 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 12264782 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Cysteine to Arginine at position 107 (C107R)
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: C107R

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000097442
Gene: ENSMUSG00000021311
AA Change: C107R

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
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
Validation Efficiency 100% (48/48)
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: 48 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Aadacl2fm3 G A 3: 59,784,168 (GRCm39) A214T probably benign Het
Abcb9 G T 5: 124,220,018 (GRCm39) Y342* probably null Het
Acad9 C T 3: 36,142,675 (GRCm39) T470M probably benign Het
Ankmy2 A G 12: 36,245,107 (GRCm39) E379G probably benign Het
Cand1 A G 10: 119,048,343 (GRCm39) probably null Het
Ccdc171 A G 4: 83,476,193 (GRCm39) T203A possibly damaging Het
Cpeb4 A G 11: 31,822,327 (GRCm39) T14A probably damaging Het
Cplane1 T G 15: 8,211,736 (GRCm39) F359V probably damaging Het
Crtap A T 9: 114,210,747 (GRCm39) C276S probably damaging Het
Csf2rb2 T C 15: 78,168,774 (GRCm39) I794V probably benign Het
Ctsf T G 19: 4,906,567 (GRCm39) F165V probably damaging Het
Cux2 T A 5: 122,007,736 (GRCm39) M642L probably benign Het
Dpep1 T C 8: 123,927,460 (GRCm39) V338A possibly damaging Het
Dytn A G 1: 63,717,948 (GRCm39) L29P probably damaging Het
E2f3 G A 13: 30,169,306 (GRCm39) R116C probably benign Het
Edc3 T C 9: 57,647,197 (GRCm39) V282A probably benign Het
Epha1 A G 6: 42,339,602 (GRCm39) V630A probably damaging Het
Erc1 A G 6: 119,801,564 (GRCm39) I151T probably benign Het
Fam83h C T 15: 75,875,699 (GRCm39) R546H probably damaging Het
Fbxl14 A T 6: 119,457,742 (GRCm39) K308* probably null Het
Fbxw24 A T 9: 109,437,516 (GRCm39) probably null Het
Gldn T A 9: 54,245,976 (GRCm39) M509K probably benign Het
Gpr139 T C 7: 118,743,866 (GRCm39) I240V probably benign Het
Herc1 G T 9: 66,347,116 (GRCm39) M1990I possibly damaging Het
Hmgcr A G 13: 96,793,231 (GRCm39) I467T probably benign Het
Isl2 T C 9: 55,449,685 (GRCm39) F85L probably benign Het
Lat T C 7: 125,963,612 (GRCm39) N197D probably damaging Het
Marchf1 T C 8: 66,921,169 (GRCm39) V282A probably benign Het
Meiosin T A 7: 18,835,044 (GRCm39) D393V unknown Het
Mrpl9 A G 3: 94,351,075 (GRCm39) H85R possibly damaging Het
Mterf2 G T 10: 84,956,381 (GRCm39) A81E probably damaging Het
Nlrp4c T A 7: 6,075,635 (GRCm39) V642E probably damaging Het
Or5b12b A G 19: 12,861,871 (GRCm39) I209V probably benign Het
Or6c212 T A 10: 129,559,018 (GRCm39) I132F probably benign Het
Pdik1l A G 4: 134,006,804 (GRCm39) S112P unknown Het
Pex19 GTCTCTTGTCTCCGAAGGTGCTCTTGATGATTTCTCTTGTCTCCGAAGGTGCTCTTGATGATTTC GTCTCTTGTCTCCGAAGGTGCTCTTGATGATTTC 1: 171,956,150 (GRCm39) probably null Het
Rest T A 5: 77,416,119 (GRCm39) L111Q probably damaging Het
Slc28a2b A C 2: 122,352,110 (GRCm39) probably null Het
Spg7 A C 8: 123,800,617 (GRCm39) D169A possibly damaging Het
Syt3 T C 7: 44,042,083 (GRCm39) V314A possibly damaging Het
Tbc1d20 G C 2: 152,150,004 (GRCm39) G144R probably damaging Het
Tlk1 A T 2: 70,617,016 (GRCm39) probably null Het
Tmem147 T G 7: 30,427,716 (GRCm39) probably null Het
Trip12 A T 1: 84,755,170 (GRCm39) D401E probably damaging Het
Ulbp1 A G 10: 7,395,685 (GRCm39) S291P unknown Het
Usp19 A G 9: 108,379,112 (GRCm39) D1286G possibly damaging Het
Usp49 T C 17: 47,989,873 (GRCm39) F553L probably damaging Het
Zfp352 A G 4: 90,113,512 (GRCm39) T551A 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
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
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'- TGTGATACTACAGAGCAGCAC -3'
(R):5'- TGTGATCCTTTCGCAGATGAC -3'

Sequencing Primer
(F):5'- GTGATACTACAGAGCAGCACCCTAC -3'
(R):5'- TTGAGAGTTTTGCTTACCTATATCAG -3'
Posted On 2019-11-12