Incidental Mutation 'R1657:Mtif2'
ID 186476
Institutional Source Beutler Lab
Gene Symbol Mtif2
Ensembl Gene ENSMUSG00000020459
Gene Name mitochondrial translational initiation factor 2
Synonyms 2310038D14Rik, IF-2mt, 2410112O06Rik
MMRRC Submission 039693-MU
Accession Numbers
Essential gene? Probably essential (E-score: 0.964) question?
Stock # R1657 (G1)
Quality Score 225
Status Not validated
Chromosome 11
Chromosomal Location 29476408-29495279 bp(+) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) G to A at 29490721 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Arginine to Glutamine at position 475 (R475Q)
Ref Sequence ENSEMBL: ENSMUSP00000090926 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000020749] [ENSMUST00000093239] [ENSMUST00000144321]
AlphaFold Q91YJ5
Predicted Effect probably benign
Transcript: ENSMUST00000020749
AA Change: R475Q

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000020749
Gene: ENSMUSG00000020459
AA Change: R475Q

DomainStartEndE-ValueType
Pfam:SRPRB 178 310 2.1e-6 PFAM
Pfam:GTP_EFTU 179 344 8.9e-34 PFAM
Pfam:MMR_HSR1 182 289 6.9e-10 PFAM
coiled coil region 449 484 N/A INTRINSIC
Pfam:IF-2 504 607 6.5e-33 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000093239
AA Change: R475Q

PolyPhen 2 Score 0.003 (Sensitivity: 0.98; Specificity: 0.44)
SMART Domains Protein: ENSMUSP00000090926
Gene: ENSMUSG00000020459
AA Change: R475Q

DomainStartEndE-ValueType
Pfam:SRPRB 178 310 2.1e-6 PFAM
Pfam:GTP_EFTU 179 344 8.9e-34 PFAM
Pfam:MMR_HSR1 182 289 6.9e-10 PFAM
coiled coil region 449 484 N/A INTRINSIC
Pfam:IF-2 504 607 6.5e-33 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000129893
Predicted Effect probably benign
Transcript: ENSMUST00000132783
SMART Domains Protein: ENSMUSP00000121327
Gene: ENSMUSG00000020459

DomainStartEndE-ValueType
PDB:3IZY|P 47 247 8e-92 PDB
SCOP:d1g7sa1 163 244 2e-23 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000144321
SMART Domains Protein: ENSMUSP00000114299
Gene: ENSMUSG00000020459

DomainStartEndE-ValueType
Pfam:Arf 175 341 1.1e-5 PFAM
Pfam:SRPRB 178 310 1.5e-6 PFAM
Pfam:GTP_EFTU 178 344 3.8e-39 PFAM
Pfam:MMR_HSR1 182 289 1.1e-8 PFAM
Pfam:Miro 182 291 1.2e-9 PFAM
Coding Region Coverage
  • 1x: 99.1%
  • 3x: 98.4%
  • 10x: 96.5%
  • 20x: 93.2%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] During the initiation of protein biosynthesis, initiation factor-2 (IF-2) promotes the binding of the initiator tRNA to the small subunit of the ribosome in a GTP-dependent manner. Prokaryotic IF-2 is a single polypeptide, while eukaryotic cytoplasmic IF-2 (eIF-2) is a trimeric protein. Bovine liver mitochondria contain IF-2(mt), an 85-kD monomeric protein that is equivalent to prokaryotic IF-2. The predicted 727-amino acid human protein contains a 29-amino acid presequence. Human IF-2(mt) shares 32 to 38% amino acid sequence identity with yeast IF-2(mt) and several prokaryotic IF-2s, with the greatest degree of conservation in the G domains of the proteins. [provided by RefSeq, Mar 2016]
Allele List at MGI
Other mutations in this stock
Total: 55 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Acaca T G 11: 84,154,910 (GRCm39) D988E probably benign Het
Als2 A G 1: 59,219,760 (GRCm39) V1185A probably damaging Het
Amdhd2 A G 17: 24,375,029 (GRCm39) V391A probably damaging Het
Armh4 G C 14: 50,011,017 (GRCm39) T230S probably damaging Het
Caprin1 A T 2: 103,599,851 (GRCm39) V608E probably damaging Het
Celsr3 T A 9: 108,720,151 (GRCm39) C2512* probably null Het
Cfl1 A T 19: 5,543,583 (GRCm39) R187W probably damaging Het
Cgnl1 C T 9: 71,633,226 (GRCm39) V42I probably damaging Het
Chd2 A G 7: 73,130,178 (GRCm39) Y826H probably damaging Het
Col9a2 C A 4: 120,898,171 (GRCm39) P28T unknown Het
Cyp3a44 G A 5: 145,716,553 (GRCm39) P346S probably damaging Het
Dact2 A G 17: 14,418,252 (GRCm39) V151A probably benign Het
Dhx29 T C 13: 113,089,377 (GRCm39) I716T probably damaging Het
Entrep1 C A 19: 23,952,999 (GRCm39) C437F probably damaging Het
Esam T C 9: 37,448,917 (GRCm39) S342P probably damaging Het
Fer1l4 A G 2: 155,877,518 (GRCm39) V1053A possibly damaging Het
Grk3 A G 5: 113,114,848 (GRCm39) F124S probably damaging Het
H2-DMa G A 17: 34,356,373 (GRCm39) probably null Het
Hsd3b5 T A 3: 98,527,036 (GRCm39) I137F possibly damaging Het
Itgav A T 2: 83,632,123 (GRCm39) I902F probably benign Het
Itsn1 G T 16: 91,706,111 (GRCm39) C179F probably damaging Het
Kcnh8 G A 17: 53,146,153 (GRCm39) R347H probably damaging Het
Kif9 T C 9: 110,319,034 (GRCm39) M166T possibly damaging Het
Kmt5c C T 7: 4,749,453 (GRCm39) Q324* probably null Het
Lcn9 G A 2: 25,714,722 (GRCm39) E154K probably benign Het
Mfge8 A T 7: 78,791,521 (GRCm39) L227Q probably benign Het
Mroh2b A T 15: 4,960,525 (GRCm39) R753* probably null Het
Nln C T 13: 104,173,455 (GRCm39) V584I possibly damaging Het
Nr2e3 T C 9: 59,856,050 (GRCm39) E129G probably benign Het
Ocstamp T C 2: 165,239,436 (GRCm39) D250G probably damaging Het
Or1a1 A T 11: 74,086,722 (GRCm39) H131L probably damaging Het
Or52n4b T C 7: 108,144,584 (GRCm39) I284T possibly damaging Het
Or8k27 A C 2: 86,275,562 (GRCm39) L255V probably damaging Het
Pld1 A T 3: 28,125,336 (GRCm39) I417L probably benign Het
Polr1a A T 6: 71,918,519 (GRCm39) K692N probably damaging Het
Qsox2 A T 2: 26,110,759 (GRCm39) Y152* probably null Het
Rpap1 T C 2: 119,614,259 (GRCm39) D46G possibly damaging Het
Rpe65 A G 3: 159,320,085 (GRCm39) T246A probably damaging Het
Scn5a T C 9: 119,391,446 (GRCm39) D82G probably damaging Het
Sema3d A G 5: 12,634,941 (GRCm39) E669G possibly damaging Het
Serpinb6c T C 13: 34,064,209 (GRCm39) N282S probably benign Het
Snap47 A T 11: 59,319,596 (GRCm39) S181T probably benign Het
Snx9 A C 17: 5,968,711 (GRCm39) T336P possibly damaging Het
Sphkap G A 1: 83,255,236 (GRCm39) R838* probably null Het
Terb1 A T 8: 105,215,123 (GRCm39) D284E possibly damaging Het
Tmem266 C T 9: 55,325,292 (GRCm39) A153V probably damaging Het
Trappc2b T C 11: 51,576,505 (GRCm39) Q131R probably benign Het
Ttn T C 2: 76,573,148 (GRCm39) E25915G possibly damaging Het
Tubal3 A G 13: 3,983,011 (GRCm39) T264A possibly damaging Het
Vldlr G A 19: 27,223,070 (GRCm39) R747Q probably benign Het
Zc3h8 G T 2: 128,771,877 (GRCm39) probably benign Het
Zfp184 C T 13: 22,143,443 (GRCm39) T383M probably damaging Het
Zfp455 T C 13: 67,346,703 (GRCm39) F38S possibly damaging Het
Zfp746 A G 6: 48,059,108 (GRCm39) V167A possibly damaging Het
Zfp985 T A 4: 147,668,567 (GRCm39) N478K probably benign Het
Other mutations in Mtif2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00942:Mtif2 APN 11 29,488,753 (GRCm39) missense probably damaging 1.00
IGL01020:Mtif2 APN 11 29,494,973 (GRCm39) missense possibly damaging 0.61
IGL01323:Mtif2 APN 11 29,491,447 (GRCm39) missense probably damaging 0.98
IGL01360:Mtif2 APN 11 29,480,110 (GRCm39) missense probably benign 0.00
IGL01744:Mtif2 APN 11 29,494,417 (GRCm39) unclassified probably benign
IGL01757:Mtif2 APN 11 29,491,337 (GRCm39) unclassified probably benign
IGL02247:Mtif2 APN 11 29,490,642 (GRCm39) missense possibly damaging 0.65
IGL02642:Mtif2 APN 11 29,494,395 (GRCm39) missense probably benign
IGL03093:Mtif2 APN 11 29,480,702 (GRCm39) splice site probably benign
R0418:Mtif2 UTSW 11 29,483,401 (GRCm39) splice site probably benign
R0554:Mtif2 UTSW 11 29,483,398 (GRCm39) critical splice donor site probably null
R0577:Mtif2 UTSW 11 29,490,862 (GRCm39) critical splice donor site probably null
R1159:Mtif2 UTSW 11 29,490,729 (GRCm39) missense possibly damaging 0.95
R1168:Mtif2 UTSW 11 29,486,914 (GRCm39) missense probably benign 0.11
R1344:Mtif2 UTSW 11 29,495,002 (GRCm39) missense probably benign
R1418:Mtif2 UTSW 11 29,495,002 (GRCm39) missense probably benign
R1482:Mtif2 UTSW 11 29,486,847 (GRCm39) missense probably damaging 1.00
R1850:Mtif2 UTSW 11 29,490,683 (GRCm39) missense probably benign 0.03
R3692:Mtif2 UTSW 11 29,490,718 (GRCm39) missense probably benign 0.03
R4471:Mtif2 UTSW 11 29,490,053 (GRCm39) splice site probably benign
R4730:Mtif2 UTSW 11 29,490,834 (GRCm39) missense probably benign 0.00
R5248:Mtif2 UTSW 11 29,486,889 (GRCm39) missense probably damaging 1.00
R5343:Mtif2 UTSW 11 29,486,964 (GRCm39) missense probably damaging 1.00
R5989:Mtif2 UTSW 11 29,480,098 (GRCm39) missense probably damaging 0.96
R6511:Mtif2 UTSW 11 29,486,949 (GRCm39) missense possibly damaging 0.81
R7209:Mtif2 UTSW 11 29,479,996 (GRCm39) missense probably benign 0.00
R7318:Mtif2 UTSW 11 29,490,115 (GRCm39) missense probably benign 0.25
R9120:Mtif2 UTSW 11 29,483,951 (GRCm39) missense probably benign 0.00
R9224:Mtif2 UTSW 11 29,494,364 (GRCm39) missense probably benign 0.09
R9256:Mtif2 UTSW 11 29,490,777 (GRCm39) missense probably benign 0.00
R9266:Mtif2 UTSW 11 29,480,065 (GRCm39) missense probably benign 0.00
R9745:Mtif2 UTSW 11 29,476,587 (GRCm39) start gained probably benign
X0064:Mtif2 UTSW 11 29,488,760 (GRCm39) missense probably benign 0.07
Predicted Primers PCR Primer
(F):5'- ATAGGCTGGAGAGACCTTCCTTCTGC -3'
(R):5'- GGCTTAGAGAGCAAGACTGCAACTC -3'

Sequencing Primer
(F):5'- TGAGGTATTCAAGCCTAATTCCC -3'
(R):5'- GAGCAAGACTGCAACTCTTCAC -3'
Posted On 2014-05-09