Incidental Mutation 'PIT4520001:Mtr'
ID 555195
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # PIT4520001 (G1)
Quality Score 225.009
Status Not validated
Chromosome 13
Chromosomal Location 12197598-12272999 bp(-) (GRCm39)
Type of Mutation nonsense
DNA Base Change (assembly) T to A at 12212871 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Stop codon at position 915 (R915*)
Ref Sequence ENSEMBL: ENSMUSP00000097442 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099856]
AlphaFold A6H5Y3
Predicted Effect probably null
Transcript: ENSMUST00000099856
AA Change: R915*
SMART Domains Protein: ENSMUSP00000097442
Gene: ENSMUSG00000021311
AA Change: R915*

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: 93.5%
  • 3x: 91.1%
  • 10x: 86.1%
  • 20x: 75.5%
Validation Efficiency
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: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Adcy1 A G 11: 7,117,133 (GRCm39) N1000S probably damaging Het
Adgrb1 A G 15: 74,413,508 (GRCm39) D564G probably damaging Het
Ankmy2 A G 12: 36,207,390 (GRCm39) E12G probably benign Het
Arid1a C T 4: 133,409,227 (GRCm39) S1375N unknown Het
Atp1a2 G A 1: 172,106,941 (GRCm39) A793V probably benign Het
Atp8b1 T C 18: 64,701,251 (GRCm39) Y369C probably benign Het
Catsperg2 A G 7: 29,409,586 (GRCm39) Y536H possibly damaging Het
Ccdc178 A G 18: 22,200,470 (GRCm39) Y445H probably damaging Het
Cep170 G T 1: 176,607,765 (GRCm39) N230K unknown Het
Cftr A G 6: 18,277,842 (GRCm39) I977V probably benign Het
Chek2 A G 5: 111,011,195 (GRCm39) Y331C probably damaging Het
Chst13 A T 6: 90,286,167 (GRCm39) I265K probably benign Het
Coil T C 11: 88,872,437 (GRCm39) M266T probably benign Het
Col16a1 T A 4: 129,945,456 (GRCm39) C28S unknown Het
Col3a1 T C 1: 45,374,943 (GRCm39) probably null Het
Csmd1 C T 8: 15,956,023 (GRCm39) V3395M probably benign Het
Cyp51 A G 5: 4,151,200 (GRCm39) V143A probably damaging Het
Eif2ak1 C T 5: 143,836,027 (GRCm39) Q573* probably null Het
Eif2ak4 T A 2: 118,292,808 (GRCm39) I1344N probably damaging Het
Fhip1a G A 3: 85,579,779 (GRCm39) Q809* probably null Het
Gen1 A G 12: 11,291,509 (GRCm39) V825A probably benign Het
Gm28042 A T 2: 119,870,148 (GRCm39) K696* probably null Het
Gm4952 A G 19: 12,602,048 (GRCm39) Y152C probably benign Het
Hdac3 G A 18: 38,074,817 (GRCm39) T308I probably damaging Het
Hpx T C 7: 105,241,341 (GRCm39) T357A probably benign Het
Hscb A T 5: 110,983,851 (GRCm39) Y139N probably damaging Het
Kcnk9 T A 15: 72,384,332 (GRCm39) H282L probably benign Het
Kdm2b G A 5: 123,079,110 (GRCm39) T287M probably damaging Het
Kif19a C T 11: 114,672,034 (GRCm39) T207M probably damaging Het
Kmt2c A C 5: 25,520,664 (GRCm39) N1815K probably benign Het
Ktn1 C T 14: 47,923,774 (GRCm39) T511M probably damaging Het
Lrp1 C G 10: 127,443,843 (GRCm39) Q141H possibly damaging Het
Lrrc43 T C 5: 123,630,530 (GRCm39) V131A possibly damaging Het
Man1b1 T A 2: 25,233,282 (GRCm39) H218Q probably damaging Het
Mapk8ip2 T A 15: 89,344,900 (GRCm39) C766S probably damaging Het
Mfn1 A G 3: 32,615,695 (GRCm39) N353D probably benign Het
Mtcl1 A T 17: 66,692,907 (GRCm39) L474Q possibly damaging Het
Myh6 C A 14: 55,187,581 (GRCm39) V1263L probably benign Het
Nt5m C A 11: 59,765,415 (GRCm39) L148M probably benign Het
Or4a67 A G 2: 88,597,921 (GRCm39) V246A possibly damaging Het
Or51t4 A T 7: 102,597,921 (GRCm39) D83V probably damaging Het
Or8k21 T C 2: 86,145,142 (GRCm39) I163V possibly damaging Het
Pbrm1 T A 14: 30,789,818 (GRCm39) F811I probably damaging Het
Pcnt A G 10: 76,256,069 (GRCm39) S724P probably damaging Het
Pfdn5 C A 15: 102,237,158 (GRCm39) D98E probably benign Het
Ptprs G A 17: 56,721,980 (GRCm39) P1715S probably damaging Het
Rtkn2 T A 10: 67,823,291 (GRCm39) L65Q probably damaging Het
Scn2a G A 2: 65,518,763 (GRCm39) R379H probably damaging Het
Scn5a G T 9: 119,363,636 (GRCm39) D501E possibly damaging Het
Spn C A 7: 126,735,611 (GRCm39) G299W probably damaging Het
St6galnac1 T C 11: 116,660,175 (GRCm39) N46S probably benign Het
Stx19 A G 16: 62,642,871 (GRCm39) D229G probably benign Het
Tmc6 A T 11: 117,663,556 (GRCm39) M552K possibly damaging Het
Tnpo3 G C 6: 29,555,221 (GRCm39) D787E possibly damaging Het
Tyw5 T C 1: 57,427,674 (GRCm39) Y310C probably damaging Het
Vmn2r15 A G 5: 109,434,871 (GRCm39) F611S probably damaging Het
Vmn2r49 C T 7: 9,722,988 (GRCm39) M95I probably benign Het
Wfdc8 A G 2: 164,445,223 (GRCm39) S131P probably benign Het
Zfp407 A T 18: 84,450,545 (GRCm39) M1597K probably 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
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
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'- AAGTTCTCACTGCAGGCTCC -3'
(R):5'- CAATGTGGAGCTAGTAAACACATGTC -3'

Sequencing Primer
(F):5'- AGGCTCCTTTGTAGCCAAG -3'
(R):5'- CTCCTCTTCTAGTGGCAGTGTGAAG -3'
Posted On 2019-06-07