Incidental Mutation 'R7645:Polg2'
ID 590491
Institutional Source Beutler Lab
Gene Symbol Polg2
Ensembl Gene ENSMUSG00000020718
Gene Name polymerase (DNA directed), gamma 2, accessory subunit
Synonyms
MMRRC Submission 045701-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R7645 (G1)
Quality Score 225.009
Status Validated
Chromosome 11
Chromosomal Location 106659079-106670363 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to T at 106666419 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Methionine to Lysine at position 242 (M242K)
Ref Sequence ENSEMBL: ENSMUSP00000021060 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000021060] [ENSMUST00000021062] [ENSMUST00000126201] [ENSMUST00000127061] [ENSMUST00000134029] [ENSMUST00000155107]
AlphaFold Q9QZM2
PDB Structure CRYSTAL STRUCTURE OF THE ACCESSORY SUBUNIT OF MURINE MITOCHONDRIAL POLYMERASE GAMMA [X-RAY DIFFRACTION]
CRYSTAL STRUCTURE OF THE ACCESSORY SUBUNIT OF MURINE MITOCHONDRIAL POLYMERASE GAMMA [X-RAY DIFFRACTION]
Predicted Effect probably benign
Transcript: ENSMUST00000021060
AA Change: M242K

PolyPhen 2 Score 0.000 (Sensitivity: 1.00; Specificity: 0.00)
SMART Domains Protein: ENSMUSP00000021060
Gene: ENSMUSG00000020718
AA Change: M242K

DomainStartEndE-ValueType
low complexity region 2 16 N/A INTRINSIC
SCOP:d1g5ha2 41 330 4e-36 SMART
Pfam:HGTP_anticodon 354 452 3e-13 PFAM
Predicted Effect probably benign
Transcript: ENSMUST00000021062
SMART Domains Protein: ENSMUSP00000021062
Gene: ENSMUSG00000020719

DomainStartEndE-ValueType
low complexity region 7 23 N/A INTRINSIC
Blast:DEXDc 24 86 9e-31 BLAST
DEXDc 113 316 7.67e-64 SMART
HELICc 355 436 3.57e-32 SMART
low complexity region 477 496 N/A INTRINSIC
Pfam:P68HR 498 532 8e-20 PFAM
Pfam:P68HR 551 583 5.2e-20 PFAM
low complexity region 592 603 N/A INTRINSIC
Predicted Effect probably benign
Transcript: ENSMUST00000126201
SMART Domains Protein: ENSMUSP00000116583
Gene: ENSMUSG00000020718

DomainStartEndE-ValueType
low complexity region 2 16 N/A INTRINSIC
PDB:1G5I|D 17 134 2e-70 PDB
SCOP:d1g5ha2 41 130 8e-6 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000127061
SMART Domains Protein: ENSMUSP00000117441
Gene: ENSMUSG00000020718

DomainStartEndE-ValueType
low complexity region 2 16 N/A INTRINSIC
PDB:1G5I|D 17 170 1e-100 PDB
SCOP:d1g5ha2 41 163 1e-7 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000134029
SMART Domains Protein: ENSMUSP00000122755
Gene: ENSMUSG00000020718

DomainStartEndE-ValueType
low complexity region 2 16 N/A INTRINSIC
PDB:1G5I|D 17 122 3e-69 PDB
SCOP:d1g5ha2 41 120 3e-6 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000155107
SMART Domains Protein: ENSMUSP00000118975
Gene: ENSMUSG00000020718

DomainStartEndE-ValueType
low complexity region 2 16 N/A INTRINSIC
PDB:1G5I|D 17 122 3e-69 PDB
SCOP:d1g5ha2 41 120 3e-6 SMART
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 99.9%
  • 10x: 99.7%
  • 20x: 99.2%
Validation Efficiency 98% (46/47)
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] This gene encodes the processivity subunit of the mitochondrial DNA polymerase gamma. The encoded protein forms a heterotrimer containing one catalytic subunit and two processivity subunits. This protein enhances DNA binding and promotes processive DNA synthesis. Mutations in this gene result in autosomal dominant progressive external ophthalmoplegia with mitochondrial DNA deletions.[provided by RefSeq, Sep 2009]
PHENOTYPE: Mice homozygous for a knock-out allele exhibit embryonic lethality between somite formation and turning, fail to initiate turning, lack mt-Co1 activity, and contain abnormal mitochondria with reduced mtDNA. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 47 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Actbl2 T A 13: 111,392,789 (GRCm39) C375S probably benign Het
Adgrg3 A G 8: 95,761,392 (GRCm39) probably benign Het
Amn1 C T 6: 149,086,529 (GRCm39) M44I probably benign Het
Atg2b T C 12: 105,589,689 (GRCm39) Y1854C probably benign Het
Bcat2 T A 7: 45,237,387 (GRCm39) N290K probably benign Het
Ccdc39 T C 3: 33,879,318 (GRCm39) probably null Het
Cnot10 T C 9: 114,442,705 (GRCm39) S501G probably benign Het
Col6a6 A G 9: 105,644,397 (GRCm39) probably null Het
Coq2 A C 5: 100,808,116 (GRCm39) C228W probably damaging Het
Cpt2 A T 4: 107,764,171 (GRCm39) M531K possibly damaging Het
Dennd1a A G 2: 37,911,375 (GRCm39) L204P probably damaging Het
Dock9 C T 14: 121,835,075 (GRCm39) V1305M probably benign Het
Dusp16 A G 6: 134,702,888 (GRCm39) I201T probably damaging Het
Esco2 T C 14: 66,064,630 (GRCm39) D370G probably benign Het
Fbxl4 T C 4: 22,377,037 (GRCm39) S158P probably damaging Het
Fut10 A G 8: 31,726,232 (GRCm39) H329R possibly damaging Het
Gpr3 A G 4: 132,938,640 (GRCm39) W11R probably damaging Het
H2-M3 T A 17: 37,581,620 (GRCm39) I94N probably damaging Het
Krt7 T C 15: 101,310,524 (GRCm39) I57T probably damaging Het
Ltc4s T C 11: 50,129,373 (GRCm39) probably benign Het
Ms4a6b A T 19: 11,501,304 (GRCm39) T105S probably damaging Het
Muc6 T C 7: 141,234,923 (GRCm39) H592R probably benign Het
Ncam1 T C 9: 49,476,303 (GRCm39) E262G probably benign Het
Or4x11 T A 2: 89,868,091 (GRCm39) I276K possibly damaging Het
Or5b108 T C 19: 13,168,937 (GRCm39) V302A probably benign Het
Plxnb1 T A 9: 108,943,480 (GRCm39) S1908T probably damaging Het
Polr3g T C 13: 81,842,563 (GRCm39) T151A unknown Het
Pramel51 T C 12: 88,143,028 (GRCm39) T392A probably damaging Het
Psmb8 T C 17: 34,419,186 (GRCm39) L160P possibly damaging Het
Rab5b G A 10: 128,517,260 (GRCm39) A176V possibly damaging Het
Rreb1 T C 13: 38,115,010 (GRCm39) C790R probably damaging Het
Rufy3 A G 5: 88,788,476 (GRCm39) T506A probably benign Het
Samd11 T C 4: 156,340,243 (GRCm39) probably benign Het
Slc12a2 T C 18: 58,029,450 (GRCm39) F279L possibly damaging Het
Slc49a4 T A 16: 35,554,438 (GRCm39) probably null Het
Son TCCCCCAGCCGCAGGAGCCGAACCCCCAGCCGCAGGAGCAGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCG TCCCCCAGCCGCAGGAGCCGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCGCAGGAGCCGAACCCCCAGCCG 16: 91,457,183 (GRCm39) probably benign Het
Srgn C T 10: 62,330,757 (GRCm39) W116* probably null Het
Svil A G 18: 5,099,663 (GRCm39) E1733G probably damaging Het
Tbc1d22a C T 15: 86,119,742 (GRCm39) P49S probably benign Het
Tbc1d9 A T 8: 83,969,182 (GRCm39) K490M probably damaging Het
Tcte1 A G 17: 45,845,915 (GRCm39) N173S probably benign Het
Tmco6 C T 18: 36,868,446 (GRCm39) R31W probably damaging Het
Ttn C A 2: 76,730,025 (GRCm39) A5155S unknown Het
Tyro3 T C 2: 119,647,387 (GRCm39) Y839H probably damaging Het
Zc3h12d A G 10: 7,743,340 (GRCm39) D370G probably benign Het
Zc3h7b T C 15: 81,664,803 (GRCm39) L554P probably damaging Het
Zfp352 C T 4: 90,113,014 (GRCm39) P385S probably benign Het
Other mutations in Polg2
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL01150:Polg2 APN 11 106,668,258 (GRCm39) splice site probably null
IGL02205:Polg2 APN 11 106,669,946 (GRCm39) missense probably benign 0.09
IGL02850:Polg2 APN 11 106,659,293 (GRCm39) missense probably damaging 1.00
IGL02952:Polg2 APN 11 106,663,539 (GRCm39) missense possibly damaging 0.78
IGL03328:Polg2 APN 11 106,659,163 (GRCm39) missense probably benign 0.40
IGL02835:Polg2 UTSW 11 106,666,266 (GRCm39) missense probably benign
R0109:Polg2 UTSW 11 106,667,958 (GRCm39) splice site probably benign
R0143:Polg2 UTSW 11 106,668,352 (GRCm39) missense probably benign 0.01
R0709:Polg2 UTSW 11 106,659,239 (GRCm39) missense probably damaging 1.00
R1385:Polg2 UTSW 11 106,659,149 (GRCm39) missense probably damaging 0.97
R1938:Polg2 UTSW 11 106,669,787 (GRCm39) missense probably damaging 0.98
R2872:Polg2 UTSW 11 106,666,251 (GRCm39) critical splice donor site probably null
R2872:Polg2 UTSW 11 106,666,251 (GRCm39) critical splice donor site probably null
R3159:Polg2 UTSW 11 106,659,163 (GRCm39) missense probably benign 0.40
R3776:Polg2 UTSW 11 106,670,110 (GRCm39) missense probably benign 0.01
R3982:Polg2 UTSW 11 106,670,028 (GRCm39) nonsense probably null
R5306:Polg2 UTSW 11 106,669,796 (GRCm39) missense probably damaging 0.98
R5338:Polg2 UTSW 11 106,670,064 (GRCm39) missense possibly damaging 0.95
R7055:Polg2 UTSW 11 106,668,040 (GRCm39) missense probably damaging 1.00
R7146:Polg2 UTSW 11 106,663,572 (GRCm39) missense probably benign 0.01
R7464:Polg2 UTSW 11 106,664,540 (GRCm39) missense probably benign 0.08
R8811:Polg2 UTSW 11 106,670,208 (GRCm39) missense probably benign 0.30
R8947:Polg2 UTSW 11 106,659,170 (GRCm39) missense probably damaging 0.97
Z1176:Polg2 UTSW 11 106,664,255 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CCTGGGTAAAGAACGTGTGG -3'
(R):5'- TGTTGCTGGATAAAAGTCTCAGGC -3'

Sequencing Primer
(F):5'- GGAGCTCGGGGTGACATAC -3'
(R):5'- GTCTCAGGCAACCTTAATTCTCAGAG -3'
Posted On 2019-10-24