Gene
Entrez ID Entrez Gene ID - the GENE ID in NCBI Gene database.
5428
Gene name Gene Name - the full gene name approved by the HGNC.
DNA polymerase gamma, catalytic subunit
Gene symbol Gene Symbol - the official gene symbol approved by the HGNC.
POLG
Synonyms (NCBI Gene) Gene synonyms aliases
MDP1, MIRAS, MTDPS4A, MTDPS4B, PEO, POLG1, POLGA, SANDO, SCAE
Chromosome Chromosome number
15
Chromosome location Chromosomal Location - indicates the cytogenetic location of the gene or region on the chromosome.
15q26.1
Summary Summary of gene provided in NCBI Entrez Gene.
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.
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.
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 information of associated ontologies with gene provided by GO database.
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 ids of gene in databases such as OMIM, HGNC, ENSEMBLE.
MIM HGNC e!Ensembl
174763 9179 ENSG00000140521
Protein
UniProt ID 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  
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Associated diseases Disease associations categorized as Causal (pathogenic variants), Unknown (uncertain genetic evidence), or Text Mining (literature-based associations)
Causal Diseases caused by PATHOGENIC or LIKELY PATHOGENIC variants from ClinVar only
Disease merge term Disease name dbSNP ID References
Ataxia neuropathy spectrum disorder sensory ataxic neuropathy, dysarthria, and ophthalmoparesis rs121918049, rs139717885, rs139562274, rs1484810169, rs113994095, rs113994097, rs1596348443, rs796052899, rs1596352895, rs121918046, rs1596358408, rs769827124, rs121918048 N/A
Fatal Mitochondrial Disease Mitochondrial disease rs1335880349, rs121918054, rs767708989, rs886043241, rs113994099, rs1131691575, rs1085307741, rs113994101, rs113994093, rs113994097, rs753410045, rs1567184117, rs201732356 N/A
Hereditary spastic paraplegia Hereditary spastic paraplegia rs144500145 N/A
Mitochondrial DNA Depletion Syndrome Mitochondrial DNA depletion syndrome 4b rs139590686, rs121918056, rs113994098, rs267606959, rs121918050, rs1354582663, rs201732356 N/A
Unknown Includes: (1) ClinVar NON-pathogenic variants (Uncertain, Benign, Conflicting, VUS), (2) GenCC associations, (3) GWAS associations, (4) CBGDA evidence-based associations. NOTE: Diseases with pathogenic evidence are excluded to avoid conflicts.
Disease merge term Disease name Evidence References Source
Breast Cancer Breast cancer specific mortality in estrogen receptor negative breast cancer N/A N/A GWAS
Developmental Delay global developmental delay N/A N/A ClinVar
Leigh Syndrome Leigh syndrome N/A N/A GenCC
Lennox-Gastaut Syndrome lennox-gastaut syndrome N/A N/A ClinVar
Associations from Text Mining Disease associations identified through Pubtator
Disease Name Relationship Type References
Acidosis Lactic Associate 12859329, 22577219
Acute cerebral Gaucher disease Associate 18783964
Adrenal Insufficiency Associate 19501198
Alcoholic Neuropathy Associate 29278894, 30843307
Alzheimer Disease Associate 32573913
Anemia Aplastic Associate 40406144
Anorchia Associate 20138553
Aphasia Broca Associate 23921535
Ataxia Associate 16080118, 18195151, 20153822, 20185557, 21856450, 23865558, 24841123, 29278894, 30167885, 36414085
Ataxia Neuropathy Spectrum Associate 16080118, 17088268, 18546365, 19772189, 20153822, 22616202, 23997076, 25488682, 26735972, 34600502