Gene Gene information from NCBI Gene database.
Entrez ID 5428
Gene name DNA polymerase gamma, catalytic subunit
Gene symbol POLG
Synonyms (NCBI Gene)
MDP1MIRASMTDPS4AMTDPS4BPEOPOLG1POLGASANDOSCAE
Chromosome 15
Chromosome location 15q26.1
Summary 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 polyglutami
SNPs SNP information provided by dbSNP.
192
SNP ID Visualize variation Clinical significance Consequence
rs2307437 G>A,T Conflicting-interpretations-of-pathogenicity, benign, uncertain-significance Missense variant, coding sequence variant
rs2307440 G>A Conflicting-interpretations-of-pathogenicity, benign Missense variant, coding sequence variant
rs2307448 G>A,C Conflicting-interpretations-of-pathogenicity, benign, benign-likely-benign Intron variant
rs3087378 G>A Conflicting-interpretations-of-pathogenicity, uncertain-significance 5 prime UTR variant
rs3176162 C>T Uncertain-significance, conflicting-interpretations-of-pathogenicity, likely-benign, benign Missense variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
122
miRTarBase ID miRNA Experiments Reference
MIRT028963 hsa-miR-26b-5p Microarray 19088304
MIRT046950 hsa-miR-221-3p CLASH 23622248
MIRT041750 hsa-miR-484 CLASH 23622248
MIRT039938 hsa-miR-615-3p CLASH 23622248
MIRT038412 hsa-miR-296-3p CLASH 23622248
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
53
GO ID Ontology Definition Evidence Reference
GO:0000262 Component Mitochondrial chromosome IDA 26253742
GO:0002020 Function Protease binding IPI 14739292
GO:0003677 Function DNA binding IDA 10608893
GO:0003677 Function DNA binding IEA
GO:0003682 Function Chromatin binding IDA 18063578
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
174763 9179 ENSG00000140521
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P54098
Protein name DNA polymerase subunit gamma-1 (EC 2.7.7.7) (3'-5' exodeoxyribonuclease) (EC 3.1.11.-) (5'-deoxyribose-phosphate lyase) (EC 4.2.99.-) (Mitochondrial DNA polymerase catalytic subunit) (PolG-alpha)
Protein function Catalytic subunit of DNA polymerase gamma solely responsible for replication of mitochondrial DNA (mtDNA). Replicates both heavy and light strands of the circular mtDNA genome using a single-stranded DNA template, RNA primers and the four deoxyr
PDB 3IKM , 4ZTU , 4ZTZ , 5C51 , 5C52 , 5C53 , 8D33 , 8D37 , 8D3R , 8D42 , 8G5I , 8G5J , 8G5K , 8G5L , 8G5M , 8G5N , 8G5O , 8G5P , 8T7E , 8UDK , 8UDL , 8V54 , 8V55 , 8V5D , 8V5R
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF18136 DNApol_Exo 121 414 DNA mitochondrial polymerase exonuclease domain Domain
PF00476 DNA_pol_A 756 1185 DNA polymerase family A Family
Sequence
MSRLLWRKVAGATVGPGPVPAPGRWVSSSVPASDPSDGQRRRQQQQQQQQQQQQQPQQPQ
VLSSEGGQLRHNPLDIQMLSRGLHEQIFGQGGEMPGEAAVRRSVEHLQKHGLWGQPAVPL
PDVELRLPPLYGDNLDQHFRLLAQKQSLPYLEAANLLLQAQLPPKPPAWAWAEGWTRYGP
EGEAVPVAIPEERALVFDVEVCLAEGTCPTLAVAISPSAWYSWCSQRLVEERYSWTSQLS
PADLIPLEVPTGASSPTQRDWQEQLVVGHNVSFDRAHIREQYLIQGSRMRFLDTMSMHMA
ISGLSSFQRSLWIAAKQGKHKVQPPTKQGQKSQRKARRGPAISSWDWLDISSVNSLAEVH
RLYVGGPPLEKEPRELFVKGTMKDIRENFQDLMQYCAQDVWATHEVFQQQLPLF
LERCPH
PVTLAGMLEMGVSYLPVNQNWERYLAEAQGTYEELQREMKKSLMDLANDACQLLSGERYK
EDPWLWDLEWDLQEFKQKKAKKVKKEPATASKLPIEGAGAPGDPMDQEDLGPCSEEEEFQ
QDVMARACLQKLKGTTELLPKRPQHLPGHPGWYRKLCPRLDDPAWTPGPSLLSLQMRVTP
KLMALTWDGFPLHYSERHGWGYLVPGRRDNLAKLPTGTTLESAGVVCPYRAIESLYRKHC
LEQGKQQLMPQEAGLAEEFLLTDNSAIWQTVEELDYLEVEAEAKMENLRAAVPGQPLALT
ARGGPKDTQPSYHHGNGPYNDVDIPGCWFFKLPHKDGNSCNVGSPFAKDFLPKMEDGTLQ
AGPGGASGPRALEINKMISFWRNAHKRISSQMVVWLPRSALPRAVIRHPDYDEEGLYGAI
LPQVVTAGTITRRAVEPTWLTASNARPDRVGSELKAMVQAPPGYTLVGADVDSQELWIAA
VLGDAHFAGMHGCTAFGWMTLQGRKSRGTDLHSKTATTVGISREHAKIFNYGRIYGAGQP
FAERLLMQFNHRLTQQEAAEKAQQMYAATKGLRWYRLSDEGEWLVRELNLPVDRTEGGWI
SLQDLRKVQRETARKSQWKKWEVVAERAWKGGTESEMFNKLESIATSDIPRTPVLGCCIS
RALEPSAVQEEFMTSRVNWVVQSSAVDYLHLMLVAMKWLFEEFAIDGRFCISIHDEVRYL
VREEDRYRAALALQITNLLTRCMFAYKLGLNDLPQSVAFFSAVDI
DRCLRKEVTMDCKTP
SNPTGMERRYGIPQGEALDIYQIIELTKGSLEKRSQPGP
Sequence length 1239
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG 
  Base excision repair  
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
104
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Abnormality of corpus callosum Likely pathogenic; Pathogenic rs121918056 RCV000787362
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Abnormality of the nervous system Likely pathogenic rs201732356 RCV001814095
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Acute rhabdomyolysis Likely pathogenic; Pathogenic rs113994097 RCV005865180
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Alpers-like hepatocerebral syndrome Likely pathogenic rs751676137 RCV000855753
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Acute myeloid leukemia Benign; Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Adrenocortical carcinoma, hereditary Benign; Likely benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ATAXIA, SPINOCEREBELLAR Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Autism Conflicting classifications of pathogenicity ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations