Incidental Mutation 'R0326:Mfn2'
ID 25801
Institutional Source Beutler Lab
Gene Symbol Mfn2
Ensembl Gene ENSMUSG00000029020
Gene Name mitofusin 2
Synonyms hypertension related protein 1, Fzo, D630023P19Rik
MMRRC Submission 038536-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R0326 (G1)
Quality Score 225
Status Not validated
Chromosome 4
Chromosomal Location 147958056-147989161 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 147967745 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Leucine to Proline at position 441 (L441P)
Ref Sequence ENSEMBL: ENSMUSP00000101341 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000030884] [ENSMUST00000105714] [ENSMUST00000105715] [ENSMUST00000105716] [ENSMUST00000134172]
AlphaFold Q80U63
Predicted Effect probably damaging
Transcript: ENSMUST00000030884
AA Change: L441P

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000030884
Gene: ENSMUSG00000029020
AA Change: L441P

DomainStartEndE-ValueType
Pfam:MMR_HSR1 98 258 3.8e-6 PFAM
Pfam:Dynamin_N 99 259 2e-24 PFAM
low complexity region 336 347 N/A INTRINSIC
coiled coil region 406 433 N/A INTRINSIC
Pfam:Fzo_mitofusin 594 754 1.6e-77 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000105714
AA Change: L441P

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000101339
Gene: ENSMUSG00000029020
AA Change: L441P

DomainStartEndE-ValueType
Pfam:MMR_HSR1 98 258 6.1e-7 PFAM
Pfam:Dynamin_N 99 259 3.6e-25 PFAM
low complexity region 336 347 N/A INTRINSIC
coiled coil region 406 433 N/A INTRINSIC
Predicted Effect probably damaging
Transcript: ENSMUST00000105715
AA Change: L441P

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000101340
Gene: ENSMUSG00000029020
AA Change: L441P

DomainStartEndE-ValueType
Pfam:MMR_HSR1 98 258 9e-7 PFAM
Pfam:Dynamin_N 99 259 5.4e-25 PFAM
low complexity region 336 347 N/A INTRINSIC
coiled coil region 406 433 N/A INTRINSIC
Pfam:Fzo_mitofusin 586 756 3.9e-86 PFAM
Predicted Effect probably damaging
Transcript: ENSMUST00000105716
AA Change: L441P

PolyPhen 2 Score 0.998 (Sensitivity: 0.27; Specificity: 0.99)
SMART Domains Protein: ENSMUSP00000101341
Gene: ENSMUSG00000029020
AA Change: L441P

DomainStartEndE-ValueType
Pfam:MMR_HSR1 98 258 9e-7 PFAM
Pfam:Dynamin_N 99 259 5.4e-25 PFAM
low complexity region 336 347 N/A INTRINSIC
coiled coil region 406 433 N/A INTRINSIC
Pfam:Fzo_mitofusin 586 756 3.9e-86 PFAM
Predicted Effect noncoding transcript
Transcript: ENSMUST00000124646
Predicted Effect probably benign
Transcript: ENSMUST00000134172
SMART Domains Protein: ENSMUSP00000123021
Gene: ENSMUSG00000029020

DomainStartEndE-ValueType
Pfam:Dynamin_N 99 208 5.1e-16 PFAM
Coding Region Coverage
  • 1x: 99.0%
  • 3x: 98.0%
  • 10x: 95.8%
  • 20x: 91.8%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes a mitochondrial membrane protein that participates in mitochondrial fusion and contributes to the maintenance and operation of the mitochondrial network. This protein is involved in the regulation of vascular smooth muscle cell proliferation, and it may play a role in the pathophysiology of obesity. Mutations in this gene cause Charcot-Marie-Tooth disease type 2A2, and hereditary motor and sensory neuropathy VI, which are both disorders of the peripheral nervous system. Defects in this gene have also been associated with early-onset stroke. Two transcript variants encoding the same protein have been identified. [provided by RefSeq, Jul 2008]
PHENOTYPE: Mice homozygous for disruptions in this gene die in mid-gestation. Structural and functional abnormalities of mitochondria are reported. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 99 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
AA986860 C T 1: 130,670,635 (GRCm39) P286S possibly damaging Het
Aagab T A 9: 63,526,444 (GRCm39) S156T probably damaging Het
Abca14 T G 7: 119,823,642 (GRCm39) Y390D probably damaging Het
Abcc2 T A 19: 43,814,386 (GRCm39) I1122N possibly damaging Het
Adamts16 T C 13: 70,927,730 (GRCm39) E503G possibly damaging Het
Adamts9 A T 6: 92,835,038 (GRCm39) C697* probably null Het
Adgrv1 T C 13: 81,623,112 (GRCm39) D3837G possibly damaging Het
Ahcyl T A 16: 45,974,246 (GRCm39) D377V probably benign Het
Aire T A 10: 77,878,433 (GRCm39) R128S probably damaging Het
Alkbh2 A C 5: 114,262,011 (GRCm39) *240E probably null Het
Als2 T C 1: 59,219,742 (GRCm39) Y1191C probably damaging Het
Anapc5 A T 5: 122,952,667 (GRCm39) V186E probably benign Het
Apob C T 12: 8,040,307 (GRCm39) A548V probably damaging Het
B3galt4 A T 17: 34,169,722 (GRCm39) V172E probably damaging Het
Bbs7 A C 3: 36,646,525 (GRCm39) C432G possibly damaging Het
Cacna2d3 T A 14: 28,767,601 (GRCm39) E758V probably damaging Het
Cactin T G 10: 81,158,496 (GRCm39) L154R probably benign Het
Ccdc88a A C 11: 29,411,021 (GRCm39) R502S probably benign Het
Ccnf A T 17: 24,450,784 (GRCm39) I398N possibly damaging Het
Chd1 A T 17: 15,988,828 (GRCm39) D1527V probably damaging Het
Chd1 A T 17: 15,988,830 (GRCm39) M1528L probably benign Het
Chrac1 G A 15: 72,964,675 (GRCm39) probably null Het
Cln3 T G 7: 126,182,217 (GRCm39) M1L probably damaging Het
Cnot6 T C 11: 49,568,263 (GRCm39) Y442C probably damaging Het
Col19a1 A T 1: 24,324,132 (GRCm39) probably null Het
Col1a2 T C 6: 4,537,838 (GRCm39) F1116L unknown Het
Col1a2 G A 6: 4,518,822 (GRCm39) probably benign Het
Cops4 T G 5: 100,676,408 (GRCm39) V53G probably damaging Het
Crnkl1 A G 2: 145,761,875 (GRCm39) S561P probably benign Het
Ctnnb1 C A 9: 120,780,778 (GRCm39) Q99K probably benign Het
Cxcr5 T C 9: 44,424,578 (GRCm39) S360G probably benign Het
Dab2 G A 15: 6,447,797 (GRCm39) V60M probably damaging Het
Ddx3y A T Y: 1,263,321 (GRCm39) Y648* probably null Het
Dennd2a T A 6: 39,474,044 (GRCm39) D430V probably damaging Het
Dsp G T 13: 38,376,846 (GRCm39) E1544* probably null Het
Efcab7 A T 4: 99,719,631 (GRCm39) M38L possibly damaging Het
Fto A G 8: 92,136,155 (GRCm39) N141S probably damaging Het
Gabrp A G 11: 33,504,362 (GRCm39) F318L probably damaging Het
Gmeb1 A C 4: 131,969,663 (GRCm39) C103W probably damaging Het
Heatr9 T C 11: 83,405,365 (GRCm39) D365G probably damaging Het
Hif3a G A 7: 16,778,325 (GRCm39) R436W probably benign Het
Hint2 A G 4: 43,654,378 (GRCm39) V145A probably damaging Het
Hmcn2 T A 2: 31,313,237 (GRCm39) L3482* probably null Het
Hsd3b1 A T 3: 98,760,590 (GRCm39) Y134N probably damaging Het
Impg2 T A 16: 56,080,848 (GRCm39) V775E probably damaging Het
Ipo5 A G 14: 121,159,635 (GRCm39) I154M probably benign Het
Itgad T A 7: 127,797,550 (GRCm39) F893Y probably benign Het
Itprid1 A T 6: 55,875,228 (GRCm39) M393L possibly damaging Het
Kdm4a T C 4: 118,018,903 (GRCm39) R438G probably benign Het
Klk1b11 T A 7: 43,425,943 (GRCm39) M1K probably null Het
Lama5 A T 2: 179,824,219 (GRCm39) V2602D possibly damaging Het
Lrch3 T C 16: 32,799,870 (GRCm39) S35P probably damaging Het
Mgat4c A T 10: 102,224,565 (GRCm39) I260F probably damaging Het
Mon1b T A 8: 114,364,375 (GRCm39) S51T probably benign Het
Myh11 T C 16: 14,036,744 (GRCm39) D993G probably benign Het
Myo1a A G 10: 127,552,166 (GRCm39) N762D probably benign Het
Nacc2 A T 2: 25,950,345 (GRCm39) Y464N probably damaging Het
Nckap1 A G 2: 80,383,714 (GRCm39) I150T probably benign Het
Ndufv2 G T 17: 66,387,816 (GRCm39) P119T probably damaging Het
Noc4l G A 5: 110,800,241 (GRCm39) R95* probably null Het
Ntng1 A T 3: 110,042,819 (GRCm39) Y2* probably null Het
Oog4 T C 4: 143,165,773 (GRCm39) N53D probably benign Het
Or10ak11 A T 4: 118,687,022 (GRCm39) V205D possibly damaging Het
Or4d11 C T 19: 12,013,525 (GRCm39) V194I probably benign Het
Or6c6c A G 10: 129,541,638 (GRCm39) E297G possibly damaging Het
Or9i1b C T 19: 13,896,873 (GRCm39) T163I probably benign Het
Phkg2 T G 7: 127,173,075 (GRCm39) L11R probably damaging Het
Pogz A G 3: 94,777,424 (GRCm39) D368G probably damaging Het
Prex2 T A 1: 11,355,289 (GRCm39) L1530Q probably damaging Het
Prmt1 C T 7: 44,628,878 (GRCm39) E144K probably damaging Het
Prss8 T A 7: 127,526,348 (GRCm39) I121F probably benign Het
Psmd13 T C 7: 140,477,624 (GRCm39) L314P probably damaging Het
Ptch2 G A 4: 116,966,081 (GRCm39) G467D probably damaging Het
Rbm20 C A 19: 53,852,596 (GRCm39) P1192Q probably damaging Het
Rpl19 T A 11: 97,919,200 (GRCm39) D45E probably benign Het
Rsph10b C T 5: 143,903,946 (GRCm39) A219V probably damaging Het
Rtraf C T 14: 19,864,600 (GRCm39) probably null Het
Scaf1 T A 7: 44,658,175 (GRCm39) T235S probably damaging Het
Shank1 T A 7: 43,968,594 (GRCm39) C296S unknown Het
Slc39a7 A T 17: 34,247,924 (GRCm39) V426D probably damaging Het
Slc41a2 A T 10: 83,119,610 (GRCm39) V384D probably damaging Het
Slco1c1 T C 6: 141,505,499 (GRCm39) L475P probably benign Het
Slco6d1 A C 1: 98,418,359 (GRCm39) K515T probably benign Het
Sos2 T C 12: 69,682,459 (GRCm39) E253G probably damaging Het
Sp6 G T 11: 96,912,361 (GRCm39) D25Y possibly damaging Het
Syt11 A C 3: 88,669,855 (GRCm39) D12E possibly damaging Het
Taf2 A G 15: 54,910,856 (GRCm39) L606P probably damaging Het
Tbc1d5 A G 17: 51,273,764 (GRCm39) Y116H probably damaging Het
Tnfrsf8 A G 4: 145,015,029 (GRCm39) I243T possibly damaging Het
Tnxb A G 17: 34,917,153 (GRCm39) S2183G probably benign Het
Trim66 T C 7: 109,059,379 (GRCm39) Y853C probably benign Het
Ttn T A 2: 76,567,839 (GRCm39) T27685S probably damaging Het
Ttn T C 2: 76,573,466 (GRCm39) E25809G probably damaging Het
Uvssa G A 5: 33,566,191 (GRCm39) G445S probably benign Het
Zfp326 T C 5: 106,058,141 (GRCm39) S427P probably damaging Het
Zfp592 A G 7: 80,674,637 (GRCm39) T534A possibly damaging Het
Zfp672 A G 11: 58,207,173 (GRCm39) S383P possibly damaging Het
Zfp799 A G 17: 33,039,700 (GRCm39) S188P possibly damaging Het
Zyg11b A C 4: 108,129,450 (GRCm39) V54G possibly damaging Het
Other mutations in Mfn2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL02313:Mfn2 APN 4 147,969,947 (GRCm39) missense probably damaging 1.00
IGL03236:Mfn2 APN 4 147,966,562 (GRCm39) missense probably damaging 1.00
milkshake UTSW 4 147,971,909 (GRCm39) missense probably benign 0.12
R0066:Mfn2 UTSW 4 147,969,902 (GRCm39) unclassified probably benign
R0066:Mfn2 UTSW 4 147,969,902 (GRCm39) unclassified probably benign
R0376:Mfn2 UTSW 4 147,969,983 (GRCm39) missense probably benign 0.24
R0564:Mfn2 UTSW 4 147,967,712 (GRCm39) missense probably damaging 1.00
R0962:Mfn2 UTSW 4 147,966,658 (GRCm39) missense probably benign
R1595:Mfn2 UTSW 4 147,979,153 (GRCm39) missense probably benign 0.08
R2105:Mfn2 UTSW 4 147,973,162 (GRCm39) nonsense probably null
R2260:Mfn2 UTSW 4 147,979,063 (GRCm39) nonsense probably null
R4544:Mfn2 UTSW 4 147,971,909 (GRCm39) missense probably benign 0.12
R4546:Mfn2 UTSW 4 147,971,909 (GRCm39) missense probably benign 0.12
R4561:Mfn2 UTSW 4 147,961,492 (GRCm39) missense probably damaging 1.00
R5151:Mfn2 UTSW 4 147,970,785 (GRCm39) missense probably benign 0.10
R5355:Mfn2 UTSW 4 147,979,035 (GRCm39) missense probably damaging 1.00
R6645:Mfn2 UTSW 4 147,979,069 (GRCm39) missense probably damaging 1.00
R8309:Mfn2 UTSW 4 147,974,693 (GRCm39) missense probably benign 0.03
R9345:Mfn2 UTSW 4 147,966,649 (GRCm39) missense probably benign 0.38
Predicted Primers PCR Primer
(F):5'- AGGAAGCTTGGACCTCATTCCCTG -3'
(R):5'- AAAGCCTTGTGTGGATGCTCCGAC -3'

Sequencing Primer
(F):5'- GGCTGTCACTTCCACTCAGG -3'
(R):5'- TTCAAGAATAGTTTCCCCAGGGC -3'
Posted On 2013-04-16