Incidental Mutation 'R2156:Polg'
ID 234817
Institutional Source Beutler Lab
Gene Symbol Polg
Ensembl Gene ENSMUSG00000039176
Gene Name polymerase (DNA directed), gamma
Synonyms Polga, Pol gamma, mitochondrial DNA polymerase gamma, mitochondrial DNA polymerase-gamma, polymerase gamma
MMRRC Submission 040159-MU
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R2156 (G1)
Quality Score 225
Status Not validated
Chromosome 7
Chromosomal Location 79095979-79116110 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) A to G at 79111468 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Isoleucine to Threonine at position 261 (I261T)
Ref Sequence ENSEMBL: ENSMUSP00000073551 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000073889] [ENSMUST00000125562] [ENSMUST00000132048] [ENSMUST00000149444]
AlphaFold no structure available at present
Predicted Effect possibly damaging
Transcript: ENSMUST00000073889
AA Change: I261T

PolyPhen 2 Score 0.940 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000073551
Gene: ENSMUSG00000039176
AA Change: I261T

DomainStartEndE-ValueType
low complexity region 26 37 N/A INTRINSIC
low complexity region 131 149 N/A INTRINSIC
low complexity region 478 493 N/A INTRINSIC
POLAc 849 1123 2.23e-107 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000125562
SMART Domains Protein: ENSMUSP00000143813
Gene: ENSMUSG00000039176

DomainStartEndE-ValueType
low complexity region 26 37 N/A INTRINSIC
PDB:3IKM|D 53 106 8e-25 PDB
Predicted Effect noncoding transcript
Transcript: ENSMUST00000127082
Predicted Effect probably benign
Transcript: ENSMUST00000132048
SMART Domains Protein: ENSMUSP00000143933
Gene: ENSMUSG00000039176

DomainStartEndE-ValueType
low complexity region 26 37 N/A INTRINSIC
PDB:3IKM|D 53 203 2e-71 PDB
SCOP:d1qm9a1 76 122 3e-3 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000139668
SMART Domains Protein: ENSMUSP00000114414
Gene: ENSMUSG00000039176

DomainStartEndE-ValueType
low complexity region 1 12 N/A INTRINSIC
PDB:3IKM|D 13 236 1e-125 PDB
Predicted Effect noncoding transcript
Transcript: ENSMUST00000142915
Predicted Effect possibly damaging
Transcript: ENSMUST00000149444
AA Change: I261T

PolyPhen 2 Score 0.936 (Sensitivity: 0.80; Specificity: 0.94)
SMART Domains Protein: ENSMUSP00000119616
Gene: ENSMUSG00000039176
AA Change: I261T

DomainStartEndE-ValueType
low complexity region 26 37 N/A INTRINSIC
PDB:3IKM|D 53 490 N/A PDB
Predicted Effect noncoding transcript
Transcript: ENSMUST00000201557
Predicted Effect noncoding transcript
Transcript: ENSMUST00000205285
Predicted Effect probably benign
Transcript: ENSMUST00000143672
SMART Domains Protein: ENSMUSP00000122286
Gene: ENSMUSG00000039176

DomainStartEndE-ValueType
PDB:3IKM|D 2 243 1e-117 PDB
SCOP:d1t7pa2 141 243 1e-10 SMART
Coding Region Coverage
  • 1x: 99.2%
  • 3x: 98.7%
  • 10x: 97.5%
  • 20x: 95.6%
Validation Efficiency
MGI Phenotype FUNCTION: [Summary is not available for the mouse gene. This summary is for the human ortholog.] Mitochondrial DNA polymerase is heterotrimeric, consisting of a homodimer of accessory subunits plus a catalytic subunit. The protein encoded by this gene is the catalytic subunit of mitochondrial DNA polymerase. The encoded protein contains a polyglutamine tract near its N-terminus that may be polymorphic. Defects in this gene are a cause of progressive external ophthalmoplegia with mitochondrial DNA deletions 1 (PEOA1), sensory ataxic neuropathy dysarthria and ophthalmoparesis (SANDO), Alpers-Huttenlocher syndrome (AHS), and mitochondrial neurogastrointestinal encephalopathy syndrome (MNGIE). Two transcript variants encoding the same protein have been found for this gene. [provided by RefSeq, Jul 2008]
PHENOTYPE: Homozygous proof-reading deficient mutants display reduced life spans and premature aging with weight loss, decreased subcutaneous fat, alopecia, kyphosis, osteoporosis, anemia, reduced fertility, and enlarged hearts. Homozygous null mice display embryonic lethality. [provided by MGI curators]
Allele List at MGI
Other mutations in this stock
Total: 85 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
1810065E05Rik T A 11: 58,313,134 (GRCm39) probably null Het
Acaa2 T C 18: 74,926,476 (GRCm39) probably null Het
Adam7 T C 14: 68,748,792 (GRCm39) Q485R probably benign Het
Adcy4 T G 14: 56,006,627 (GRCm39) T1069P probably benign Het
Arsj T C 3: 126,232,337 (GRCm39) L361P probably damaging Het
Birc2 A C 9: 7,826,939 (GRCm39) L349R probably damaging Het
C1qa T C 4: 136,623,727 (GRCm39) Y159C probably damaging Het
Cdh13 A G 8: 119,963,703 (GRCm39) K428E probably damaging Het
Cenpe T C 3: 134,953,235 (GRCm39) M1563T probably benign Het
Col10a1 T C 10: 34,271,696 (GRCm39) V556A probably benign Het
Creg2 G A 1: 39,662,338 (GRCm39) L265F probably damaging Het
Cyp1a2 T A 9: 57,589,433 (GRCm39) D127V probably damaging Het
Cyp3a44 A T 5: 145,740,480 (GRCm39) Y53* probably null Het
Cyth1 C T 11: 118,073,634 (GRCm39) R233Q probably damaging Het
Dnmbp G A 19: 43,890,346 (GRCm39) H474Y possibly damaging Het
Dvl1 G A 4: 155,932,273 (GRCm39) V28I possibly damaging Het
Ercc2 G A 7: 19,120,717 (GRCm39) R206H possibly damaging Het
Evx2 T A 2: 74,486,360 (GRCm39) H343L probably damaging Het
Fcrl2 T A 3: 87,164,648 (GRCm39) I293F probably benign Het
Gcnt4 A G 13: 97,082,974 (GRCm39) E90G probably damaging Het
Gid8 T G 2: 180,358,751 (GRCm39) C139G probably benign Het
Gm11938 C A 11: 99,493,933 (GRCm39) C54F probably damaging Het
Gm3336 G A 8: 71,174,509 (GRCm39) V158I probably benign Het
Gucy1b1 T C 3: 81,968,327 (GRCm39) N60D probably benign Het
Hdac7 T C 15: 97,691,944 (GRCm39) K810E probably benign Het
Hsp90ab1 A G 17: 45,880,629 (GRCm39) F361L possibly damaging Het
Igf2bp3 A T 6: 49,085,858 (GRCm39) probably null Het
Inpp4b T A 8: 82,775,118 (GRCm39) I772N probably damaging Het
Iqca1 A G 1: 90,017,238 (GRCm39) L390P possibly damaging Het
Itgb2 C T 10: 77,396,082 (GRCm39) R586W probably benign Het
Itih1 A G 14: 30,655,432 (GRCm39) S588P possibly damaging Het
Iyd T A 10: 3,497,166 (GRCm39) probably null Het
Kl A G 5: 150,912,425 (GRCm39) K725E probably benign Het
Layn T A 9: 50,968,697 (GRCm39) M349L probably benign Het
Map3k5 T C 10: 19,900,683 (GRCm39) Y286H probably damaging Het
Med4 C T 14: 73,755,472 (GRCm39) probably benign Het
Mfn1 T A 3: 32,588,400 (GRCm39) N42K possibly damaging Het
Mindy2 T C 9: 70,563,874 (GRCm39) D152G probably benign Het
Mrc2 A G 11: 105,238,682 (GRCm39) probably null Het
Mrpl11 C A 19: 5,012,497 (GRCm39) A26E probably damaging Het
Msh6 G A 17: 88,293,568 (GRCm39) W774* probably null Het
Mtch1 A T 17: 29,561,841 (GRCm39) V121E probably damaging Het
Mtg2 G T 2: 179,725,923 (GRCm39) E178* probably null Het
Nbas A T 12: 13,491,510 (GRCm39) N1461Y probably damaging Het
Ndfip2 A G 14: 105,525,204 (GRCm39) T65A probably benign Het
Ninl G T 2: 150,786,503 (GRCm39) Q1146K probably damaging Het
Notch1 T C 2: 26,350,873 (GRCm39) D2089G possibly damaging Het
Notch3 C T 17: 32,366,818 (GRCm39) V906M probably damaging Het
Or51l14 A G 7: 103,101,371 (GRCm39) I276V probably benign Het
Or6b6 A G 7: 106,570,775 (GRCm39) Y259H probably damaging Het
Osmr A T 15: 6,873,891 (GRCm39) Y169N probably benign Het
Ovgp1 T C 3: 105,885,033 (GRCm39) V124A possibly damaging Het
P2rx1 T C 11: 72,904,939 (GRCm39) M369T probably benign Het
Pde4dip T C 3: 97,631,534 (GRCm39) Q1125R probably damaging Het
Podn A T 4: 107,878,892 (GRCm39) V180E probably damaging Het
Pold1 A T 7: 44,188,542 (GRCm39) V475E probably damaging Het
Satb1 G T 17: 52,047,438 (GRCm39) Q595K probably benign Het
Scaf8 T A 17: 3,214,407 (GRCm39) probably null Het
Semp2l1 T A 1: 32,585,128 (GRCm39) M261L probably benign Het
Serpinb3a C T 1: 106,975,202 (GRCm39) probably null Het
Slc22a26 T C 19: 7,779,480 (GRCm39) D112G probably damaging Het
Slc25a23 A G 17: 57,352,562 (GRCm39) F441L probably benign Het
Slc25a53 T C X: 135,884,216 (GRCm39) T42A probably damaging Het
Slc6a15 T C 10: 103,229,269 (GRCm39) Y103H probably damaging Het
Slx4 A G 16: 3,804,223 (GRCm39) S864P probably benign Het
Snap91 T C 9: 86,707,130 (GRCm39) E220G probably damaging Het
Spam1 T C 6: 24,796,267 (GRCm39) F73L probably damaging Het
Sphkap C T 1: 83,255,710 (GRCm39) V393M probably benign Het
Spred2 T C 11: 19,971,241 (GRCm39) Y370H probably damaging Het
Sqle T C 15: 59,195,578 (GRCm39) probably null Het
Srrm2 A G 17: 24,037,237 (GRCm39) T1390A probably benign Het
Tas1r2 A G 4: 139,396,352 (GRCm39) R564G possibly damaging Het
Tbl2 G T 5: 135,185,374 (GRCm39) probably null Het
Tcof1 T C 18: 60,964,901 (GRCm39) D606G possibly damaging Het
Tdpoz3 T A 3: 93,734,087 (GRCm39) L254H probably damaging Het
Trpm1 A T 7: 63,884,736 (GRCm39) I806F probably damaging Het
Ttc22 A G 4: 106,496,237 (GRCm39) D429G probably benign Het
Ube2o C A 11: 116,471,972 (GRCm39) G90C probably damaging Het
Usp34 T A 11: 23,332,602 (GRCm39) F1110I probably damaging Het
Vmn2r82 T C 10: 79,214,722 (GRCm39) L235P probably damaging Het
Vps35 A G 8: 86,013,129 (GRCm39) V116A probably benign Het
Wdfy3 A G 5: 102,046,291 (GRCm39) probably null Het
Zeb2 T C 2: 44,878,821 (GRCm39) K1138E probably benign Het
Zfp513 G A 5: 31,357,866 (GRCm39) T169I probably benign Het
Zfp629 T C 7: 127,211,551 (GRCm39) D86G probably benign Het
Other mutations in Polg
AlleleSourceChrCoordTypePredicted EffectPPH Score
IGL00767:Polg APN 7 79,101,673 (GRCm39) missense probably damaging 1.00
IGL00970:Polg APN 7 79,101,493 (GRCm39) missense probably benign 0.01
IGL01883:Polg APN 7 79,108,066 (GRCm39) missense probably damaging 1.00
IGL02124:Polg APN 7 79,109,485 (GRCm39) missense probably damaging 1.00
IGL02127:Polg APN 7 79,107,915 (GRCm39) unclassified probably benign
IGL02820:Polg APN 7 79,109,519 (GRCm39) missense possibly damaging 0.92
IGL03075:Polg APN 7 79,101,660 (GRCm39) missense probably damaging 1.00
IGL03180:Polg APN 7 79,101,601 (GRCm39) splice site probably benign
IGL03198:Polg APN 7 79,101,470 (GRCm39) missense probably damaging 1.00
IGL03222:Polg APN 7 79,104,404 (GRCm39) missense probably damaging 0.98
R0030:Polg UTSW 7 79,101,876 (GRCm39) missense probably damaging 1.00
R0064:Polg UTSW 7 79,111,632 (GRCm39) missense probably damaging 1.00
R0064:Polg UTSW 7 79,111,632 (GRCm39) missense probably damaging 1.00
R0416:Polg UTSW 7 79,101,988 (GRCm39) unclassified probably benign
R0522:Polg UTSW 7 79,109,899 (GRCm39) splice site probably benign
R0638:Polg UTSW 7 79,109,896 (GRCm39) splice site probably benign
R1263:Polg UTSW 7 79,109,534 (GRCm39) missense probably benign
R1831:Polg UTSW 7 79,109,518 (GRCm39) missense probably benign 0.41
R1873:Polg UTSW 7 79,106,241 (GRCm39) missense probably benign 0.04
R1906:Polg UTSW 7 79,110,070 (GRCm39) missense probably damaging 1.00
R1997:Polg UTSW 7 79,108,979 (GRCm39) missense probably damaging 1.00
R2127:Polg UTSW 7 79,114,676 (GRCm39) missense probably damaging 1.00
R2155:Polg UTSW 7 79,111,468 (GRCm39) missense possibly damaging 0.94
R2173:Polg UTSW 7 79,105,341 (GRCm39) missense probably damaging 0.99
R3720:Polg UTSW 7 79,106,539 (GRCm39) nonsense probably null
R4082:Polg UTSW 7 79,114,576 (GRCm39) missense probably damaging 1.00
R4127:Polg UTSW 7 79,105,285 (GRCm39) missense probably damaging 1.00
R4510:Polg UTSW 7 79,105,270 (GRCm39) missense probably benign 0.01
R4511:Polg UTSW 7 79,105,270 (GRCm39) missense probably benign 0.01
R4571:Polg UTSW 7 79,110,127 (GRCm39) missense probably damaging 1.00
R4888:Polg UTSW 7 79,114,353 (GRCm39) missense probably damaging 1.00
R5008:Polg UTSW 7 79,109,822 (GRCm39) missense probably damaging 1.00
R5095:Polg UTSW 7 79,110,048 (GRCm39) missense possibly damaging 0.92
R5121:Polg UTSW 7 79,114,353 (GRCm39) missense probably damaging 1.00
R5139:Polg UTSW 7 79,099,773 (GRCm39) missense probably damaging 1.00
R5213:Polg UTSW 7 79,103,846 (GRCm39) missense probably damaging 1.00
R5285:Polg UTSW 7 79,114,973 (GRCm39) utr 5 prime probably benign
R5498:Polg UTSW 7 79,104,418 (GRCm39) missense probably damaging 1.00
R5714:Polg UTSW 7 79,101,739 (GRCm39) missense possibly damaging 0.53
R5940:Polg UTSW 7 79,103,819 (GRCm39) missense possibly damaging 0.95
R6146:Polg UTSW 7 79,100,260 (GRCm39) missense probably benign 0.02
R6754:Polg UTSW 7 79,109,584 (GRCm39) missense probably damaging 1.00
R6791:Polg UTSW 7 79,109,857 (GRCm39) missense probably benign 0.25
R6829:Polg UTSW 7 79,109,857 (GRCm39) missense probably benign 0.25
R6913:Polg UTSW 7 79,110,405 (GRCm39) missense probably damaging 0.97
R7644:Polg UTSW 7 79,101,416 (GRCm39) missense probably damaging 1.00
R7879:Polg UTSW 7 79,100,392 (GRCm39) missense probably benign 0.22
R8174:Polg UTSW 7 79,106,466 (GRCm39) missense probably benign 0.10
R8443:Polg UTSW 7 79,114,743 (GRCm39) missense probably benign
R9176:Polg UTSW 7 79,109,857 (GRCm39) missense probably benign 0.25
R9181:Polg UTSW 7 79,104,421 (GRCm39) missense probably damaging 1.00
R9303:Polg UTSW 7 79,105,860 (GRCm39) missense probably benign 0.02
R9305:Polg UTSW 7 79,105,860 (GRCm39) missense probably benign 0.02
R9323:Polg UTSW 7 79,114,786 (GRCm39) frame shift probably null
R9323:Polg UTSW 7 79,114,779 (GRCm39) frame shift probably null
R9331:Polg UTSW 7 79,108,148 (GRCm39) missense probably damaging 1.00
Z1176:Polg UTSW 7 79,103,489 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- ATCAGCAGCTGAGCAGAGATC -3'
(R):5'- CTAGTCCTTCGTGGTAACCCTG -3'

Sequencing Primer
(F):5'- GATCAAGCAAAGCTGGTCAAC -3'
(R):5'- CGTGGTAACCCTGTCCAC -3'
Posted On 2014-10-01