Incidental Mutation 'R9331:Polg'
ID 706844
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
Accession Numbers
Essential gene? Essential (E-score: 1.000) question?
Stock # R9331 (G1)
Quality Score 225.009
Status Not validated
Chromosome 7
Chromosomal Location 79095979-79116110 bp(-) (GRCm39)
Type of Mutation missense
DNA Base Change (assembly) T to C at 79108148 bp (GRCm39)
Zygosity Heterozygous
Amino Acid Change Lysine to Glutamic Acid at position 556 (K556E)
Ref Sequence ENSEMBL: ENSMUSP00000073551 (fasta)
Gene Model predicted gene model for transcript(s): [ENSMUST00000073889] [ENSMUST00000132048] [ENSMUST00000149444]
AlphaFold no structure available at present
Predicted Effect probably damaging
Transcript: ENSMUST00000073889
AA Change: K556E

PolyPhen 2 Score 1.000 (Sensitivity: 0.00; Specificity: 1.00)
SMART Domains Protein: ENSMUSP00000073551
Gene: ENSMUSG00000039176
AA Change: K556E

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: 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
SMART Domains Protein: ENSMUSP00000114414
Gene: ENSMUSG00000039176
AA Change: K48E

DomainStartEndE-ValueType
low complexity region 1 12 N/A INTRINSIC
PDB:3IKM|D 13 236 1e-125 PDB
Predicted Effect
SMART Domains Protein: ENSMUSP00000122286
Gene: ENSMUSG00000039176
AA Change: K75E

DomainStartEndE-ValueType
PDB:3IKM|D 2 243 1e-117 PDB
SCOP:d1t7pa2 141 243 1e-10 SMART
Predicted Effect probably benign
Transcript: ENSMUST00000149444
SMART Domains Protein: ENSMUSP00000119616
Gene: ENSMUSG00000039176

DomainStartEndE-ValueType
low complexity region 26 37 N/A INTRINSIC
PDB:3IKM|D 53 490 N/A PDB
Predicted Effect probably benign
Transcript: ENSMUST00000201030
Coding Region Coverage
  • 1x: 100.0%
  • 3x: 100.0%
  • 10x: 99.8%
  • 20x: 99.3%
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: 59 list
GeneRefVarChr/LocMutationPredicted EffectZygosity
Abca3 A G 17: 24,616,324 (GRCm39) E922G probably benign Het
Abca8a A G 11: 109,917,154 (GRCm39) L1615P probably damaging Het
Actrt3 T C 3: 30,652,050 (GRCm39) D348G probably damaging Het
Adam3 A G 8: 25,177,951 (GRCm39) M654T probably benign Het
Adamts8 A T 9: 30,862,770 (GRCm39) H325L probably damaging Het
Agpat2 A G 2: 26,487,318 (GRCm39) Y72H probably benign Het
Ap3m1 A G 14: 21,095,666 (GRCm39) Y55H possibly damaging Het
Cacna1a C T 8: 85,142,446 (GRCm39) A58V probably damaging Het
Cacna1c C T 6: 119,084,909 (GRCm39) V10I Het
Ccnt1 T A 15: 98,441,097 (GRCm39) K724* probably null Het
Cd72 T A 4: 43,454,320 (GRCm39) T38S possibly damaging Het
Crispld1 T A 1: 17,832,454 (GRCm39) I480K probably damaging Het
Diaph3 G T 14: 87,378,461 (GRCm39) Y30* probably null Het
Ei24 A G 9: 36,701,217 (GRCm39) I34T possibly damaging Het
Fdxacb1 G A 9: 50,681,511 (GRCm39) S144N probably damaging Het
Fgf21 G T 7: 45,263,614 (GRCm39) Q155K probably benign Het
Gdap1l1 A T 2: 163,295,664 (GRCm39) R310S probably benign Het
Gm44501 G A 17: 40,889,620 (GRCm39) V45I probably benign Het
Gne A G 4: 44,066,845 (GRCm39) L56P probably damaging Het
Hcn4 T C 9: 58,767,705 (GRCm39) S1089P probably damaging Het
Hexim1 C T 11: 103,007,974 (GRCm39) T76M probably damaging Het
Hkdc1 A T 10: 62,236,114 (GRCm39) L476* probably null Het
Hoxd8 CGCGGCGGCGGCGGCGGC CGCGGCGGCGGCGGC 2: 74,535,942 (GRCm39) probably benign Het
Hyal4 A T 6: 24,765,866 (GRCm39) I407L probably damaging Het
Ighv5-9-1 T C 12: 113,699,878 (GRCm39) Y78C possibly damaging Het
Kif20a T A 18: 34,762,562 (GRCm39) C478* probably null Het
Klk15 C T 7: 43,587,790 (GRCm39) H73Y possibly damaging Het
Ltbp2 C T 12: 84,922,965 (GRCm39) R34Q probably benign Het
Mccc1 A G 3: 36,014,238 (GRCm39) V693A probably damaging Het
Muc5b C A 7: 141,411,475 (GRCm39) Q1474K unknown Het
Nos1 T C 5: 118,038,589 (GRCm39) V474A possibly damaging Het
Nprl2 G A 9: 107,421,955 (GRCm39) V244M probably damaging Het
Npy2r A G 3: 82,448,068 (GRCm39) S236P probably damaging Het
Or8b9 G A 9: 37,766,710 (GRCm39) V199I probably benign Het
Or8c10 A G 9: 38,279,003 (GRCm39) S44G probably benign Het
P2rx7 T C 5: 122,818,961 (GRCm39) L461P probably benign Het
Pacc1 T C 1: 191,077,318 (GRCm39) probably null Het
Pde12 T C 14: 26,389,828 (GRCm39) I294V probably benign Het
Plcl1 T C 1: 55,736,030 (GRCm39) L457P possibly damaging Het
Plekho2 C A 9: 65,463,866 (GRCm39) A328S probably benign Het
Prl7a2 A G 13: 27,849,062 (GRCm39) S76P probably damaging Het
Ptar1 T A 19: 23,671,707 (GRCm39) C37S probably benign Het
Pwwp2b G A 7: 138,835,357 (GRCm39) G266D probably damaging Het
Pygm T C 19: 6,448,129 (GRCm39) F812L probably damaging Het
Smarcc2 A T 10: 128,323,310 (GRCm39) T982S unknown Het
Spata31e2 T C 1: 26,722,790 (GRCm39) R797G probably benign Het
Syne1 C G 10: 5,073,666 (GRCm39) V1226L probably benign Het
Tmco1 C T 1: 167,136,132 (GRCm39) probably benign Het
Tmub1 T C 5: 24,650,985 (GRCm39) T225A probably damaging Het
Trmo A C 4: 46,387,642 (GRCm39) C59W possibly damaging Het
Ttc6 C A 12: 57,720,509 (GRCm39) A925D probably damaging Het
Tubb1 A G 2: 174,297,472 (GRCm39) E27G probably damaging Het
Unkl G A 17: 25,450,723 (GRCm39) C503Y probably damaging Het
Usp40 A G 1: 87,901,828 (GRCm39) I785T probably damaging Het
Vmn2r32 G A 7: 7,467,402 (GRCm39) Q709* probably null Het
Xaf1 T C 11: 72,197,470 (GRCm39) S149P probably damaging Het
Ythdc2 T A 18: 44,970,499 (GRCm39) V271E possibly damaging Het
Zfp386 C T 12: 116,011,433 (GRCm39) probably benign Het
Zfp456 T A 13: 67,514,389 (GRCm39) E439V probably damaging 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
R2156: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
Z1176:Polg UTSW 7 79,103,489 (GRCm39) missense probably damaging 1.00
Predicted Primers PCR Primer
(F):5'- CTCGGTCAGATTATCCCGAC -3'
(R):5'- CTTGGAAAGGGCCTTTGACTGG -3'

Sequencing Primer
(F):5'- GTCAGATTATCCCGACGCCCAG -3'
(R):5'- CCCTTCTCCCTAATGGAA -3'
Posted On 2022-04-18