Incidental Mutation 'R4091:Mtr'
ID 317630
Institutional Source Beutler Lab
Gene Symbol Mtr
Ensembl Gene ENSMUSG00000021311
Gene Name 5-methyltetrahydrofolate-homocysteine methyltransferase
Synonyms methionine synthase, D830038K18Rik, MS
MMRRC Submission 041626-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R4091 (G1)
Quality Score 225
Status Validated
Chromosome 13
Chromosomal Location 12197598-12272999 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 12245943 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Valine to Glutamic Acid at position 394 (V394E)
Ref Sequence ENSEMBL: ENSMUSP00000097442 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000099856] [ENSMUST00000221290]
AlphaFold A6H5Y3
Predicted Effect probably damaging
Transcript: ENSMUST00000099856
AA Change: V394E

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000097442
Gene: ENSMUSG00000021311
AA Change: V394E

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
Meta Mutation Damage Score 0.4915 question?
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.6%
  • 20x: 96.1%
Validation Efficiency 98% (61/62)
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: 58 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
4932414N04Rik T C 2: 68,575,722 (GRCm39) S674P possibly damaging Het
Abca3 C T 17: 24,616,456 (GRCm39) T966M probably damaging Het
Adam2 A T 14: 66,267,172 (GRCm39) Y696N probably damaging Het
Alas1 G T 9: 106,119,000 (GRCm39) probably null Het
Arhgap25 G T 6: 87,440,017 (GRCm39) S543R probably benign Het
Bckdk C A 7: 127,504,590 (GRCm39) R105S probably damaging Het
Bltp1 G A 3: 37,084,738 (GRCm39) A3897T probably benign Het
Carns1 C T 19: 4,221,682 (GRCm39) R191Q probably damaging Het
Casp8ap2 C A 4: 32,643,611 (GRCm39) P895T probably damaging Het
Col12a1 T A 9: 79,609,646 (GRCm39) I287F probably damaging Het
Cystm1 A G 18: 36,499,600 (GRCm39) N5S unknown Het
Dnah8 T C 17: 30,988,813 (GRCm39) V3261A probably damaging Het
Dnajc11 A G 4: 152,062,550 (GRCm39) probably benign Het
Dock4 T C 12: 40,894,266 (GRCm39) S1847P probably damaging Het
Dync2h1 A G 9: 7,131,881 (GRCm39) V1642A probably benign Het
Eftud2 T C 11: 102,730,242 (GRCm39) probably null Het
Fam221b A G 4: 43,665,987 (GRCm39) I208T probably benign Het
Gpr141b T A 13: 19,913,635 (GRCm39) noncoding transcript Het
Gpr37l1 T C 1: 135,089,301 (GRCm39) I255V probably benign Het
Grm7 G A 6: 110,891,301 (GRCm39) S178N probably damaging Het
Hspa12b T A 2: 130,975,408 (GRCm39) probably null Het
Kctd3 A T 1: 188,727,917 (GRCm39) probably benign Het
Kynu G A 2: 43,569,884 (GRCm39) V389M possibly damaging Het
Lcat A G 8: 106,666,538 (GRCm39) L328P probably benign Het
Lrrn2 C T 1: 132,865,390 (GRCm39) Q152* probably null Het
Maml1 G A 11: 50,182,656 (GRCm39) P78L probably benign Het
Mef2b G A 8: 70,617,752 (GRCm39) V37M probably damaging Het
Mindy2 A T 9: 70,541,342 (GRCm39) M281K probably damaging Het
Mon2 C T 10: 122,874,415 (GRCm39) R311H probably damaging Het
Myh14 T A 7: 44,282,415 (GRCm39) T745S possibly damaging Het
Nme9 T A 9: 99,346,580 (GRCm39) D131E possibly damaging Het
Nphp4 C A 4: 152,631,475 (GRCm39) Q792K probably damaging Het
Nrxn2 T A 19: 6,523,444 (GRCm39) C479S probably damaging Het
Nsmf T C 2: 24,950,871 (GRCm39) I406T probably damaging Het
Or10a49 G A 7: 108,467,650 (GRCm39) A237V probably damaging Het
Or5an9 A T 19: 12,187,143 (GRCm39) D71V probably damaging Het
Or8g28 T A 9: 39,169,330 (GRCm39) I213F possibly damaging Het
Pbrm1 A G 14: 30,757,960 (GRCm39) T197A probably benign Het
Pla2r1 T A 2: 60,262,937 (GRCm39) N1034I probably damaging Het
Rps6-ps2 A G 8: 89,533,319 (GRCm39) noncoding transcript Het
Rufy4 T C 1: 74,186,822 (GRCm39) C537R probably damaging Het
Rxfp1 A T 3: 79,552,068 (GRCm39) D744E probably benign Het
Samd9l T C 6: 3,376,887 (GRCm39) N125D probably benign Het
Serpina3a G A 12: 104,082,625 (GRCm39) V133I probably benign Het
Slc22a30 C T 19: 8,381,909 (GRCm39) V121M probably damaging Het
Smarcc1 T A 9: 109,993,897 (GRCm39) D247E possibly damaging Het
Smg9 T A 7: 24,120,292 (GRCm39) L422Q probably null Het
Speer3 C G 5: 13,846,394 (GRCm39) A238G possibly damaging Het
Tle5 G A 10: 81,401,418 (GRCm39) G162D probably damaging Het
Ttc23l CT CTTGGATT 15: 10,537,648 (GRCm39) probably benign Het
Ttc23l G A 15: 10,537,652 (GRCm39) S206L probably benign Het
Utrn T A 10: 12,585,915 (GRCm39) D954V probably benign Het
Vmn1r227 T A 17: 20,955,778 (GRCm39) noncoding transcript Het
Vmn2r11 A C 5: 109,202,616 (GRCm39) probably null Het
Vmn2r84 A T 10: 130,227,238 (GRCm39) M200K probably damaging Het
Vmn2r88 T A 14: 51,652,883 (GRCm39) Y469N probably damaging Het
Wdcp A G 12: 4,905,279 (GRCm39) N600S probably null Het
Wdfy4 T G 14: 32,847,837 (GRCm39) R838S 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
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'- TCCAAAATCTGTTCCACGTGGAC -3'
(R):5'- TGTGTGGAAAGGGTTACTAGCC -3'

Sequencing Primer
(F):5'- AATCTGTTCCACGTGGACAGACTG -3'
(R):5'- AGGGTTACTAGCCAATGTTGAG -3'
Posted On 2015-05-15