Gene
Entrez ID Entrez Gene ID - the GENE ID in NCBI Gene database.
11232
Gene name Gene Name - the full gene name approved by the HGNC.
DNA polymerase gamma 2, accessory subunit
Gene symbol Gene Symbol - the official gene symbol approved by the HGNC.
POLG2
Synonyms (NCBI Gene) Gene synonyms aliases
HP55, MTDPS16, MTDPS16A, MTDPS16B, MTPOLB, PEOA4, POLB, POLG-BETA, POLGB
Disease Acronyms (UniProt) Disease acronyms from UniProt database
MTDPS16, MTDPS16B, PEOA4
Chromosome Chromosome number
17
Chromosome location Chromosomal Location - indicates the cytogenetic location of the gene or region on the chromosome.
17q23.3
Summary Summary of gene provided in NCBI Entrez Gene.
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 sy
Gene ontology (GO) Gene ontology information of associated ontologies with gene provided by GO database.
GO ID Ontology Definition Evidence Reference
GO:0001701 Process In utero embryonic development IEA
GO:0003690 Function Double-stranded DNA binding IDA 10608893, 26123486
GO:0003887 Function DNA-directed DNA polymerase activity IEA
GO:0005515 Function Protein binding IPI 16263719, 17762861, 19837034, 26496610, 28514442
GO:0005737 Component Cytoplasm IBA 21873635
Other IDs Other ids provides unique ids of gene in databases such as OMIM, HGNC, ENSEMBLE.
MIM HGNC e!Ensembl
604983 9180 ENSG00000256525
Protein
UniProt ID Q9UHN1
Protein name DNA polymerase subunit gamma-2 (DNA polymerase gamma accessory 55 kDa subunit) (p55) (Mitochondrial DNA polymerase accessory subunit) (MtPolB) (PolG-beta)
Protein function Accessory subunit of DNA polymerase gamma solely responsible for replication of mitochondrial DNA (mtDNA). Acts as an allosteric regulator of the holoenzyme activities. Enhances the polymerase activity and the processivity of POLG by increasing
PDB 2G4C , 3IKL , 3IKM , 4ZTU , 4ZTZ , 5C51 , 5C52 , 5C53 , 8D33 , 8D37 , 8D3R , 8D42 , 8G5I , 8G5J , 8G5K , 8G5L , 8G5M , 8G5N , 8G5O , 8G5P , 8T7E , 8UDK , 8UDL , 8V54 , 8V55 , 8V5R
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF03129 HGTP_anticodon 379 478 Anticodon binding domain Domain
Sequence
MRSRVAVRACHKVCRCLLSGFGGRVDAGQPELLTERSSPKGGHVKSHAELEGNGEHPEAP
GSGEGSEALLEICQRRHFLSGSKQQLSRDSLLSGCHPGFGPLGVELRKNLAAEWWTSVVV
FREQVFPVDALHHKPGPLLPGDSAFRLVSAETLREILQDKELSKEQLVAFLENVLKTSGK
LRENLLHGALEHYVNCLDLVNKRLPYGLAQIGVCFHPVFDTKQIRNGVKSIGEKTEASLV
WFTPPRTSNQWLDFWLRHRLQWWRKFAMSPSNFSSSDCQDEEGRKGNKLYYNFPWGKELI
ETLWNLGDHELLHMYPGNVSKLHGRDGRKNVVPCVLSVNGDLDRGMLAYLYDSFQLTENS
FTRKKNLHRKVLKLHPCLAPIKVALDVGRGPTLELRQVCQGLFNELLENGISVWPGYLET
MQSSLEQLYSKYDEMSILFTVLVTETTLENGLIHLRSRDTTMKEMMHISKLKDFLIKY
IS
SAKNV
Sequence length 485
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG   Reactome
  Base excision repair   Transcriptional activation of mitochondrial biogenesis
Associated diseases Disease information provided by ClinVar, GenCC, and GWAS databases.
Causal
Disease term Disease name dbSNP ID References
Atrial fibrillation Atrial Fibrillation rs120074192, rs121908590, rs121908593, rs121434558, rs587776851, rs387906612, rs387906613, rs387906614, rs387906615, rs199472687, rs199472705, rs199473324, rs587777336, rs587777339, rs587777557
View all (6 more)
Cardiomyopathy Cardiomyopathy, Dilated rs267607003, rs267607002, rs267607004, rs63750743, rs121908333, rs121908334, rs104894655, rs121434420, rs121434421, rs193922674, rs111517471, rs121908987, rs193922384, rs121909374, rs121909377
View all (900 more)
Cataract Cataract rs118203965, rs118203966, rs104893685, rs121908938, rs104894175, rs121909048, rs28937573, rs121909049, rs121909050, rs74315488, rs80358200, rs80358203, rs121434643, rs56141211, rs132630322
View all (150 more)
Diabetes mellitus Diabetes Mellitus rs587776515, rs61730328, rs606231121, rs606231122, rs79020217, rs77625743, rs78378398, rs606231123, rs1362648752, rs104893649, rs80356624, rs80356616, rs80356625, rs80356611, rs104894237
View all (293 more)
Unknown
Disease term Disease name Evidence References Source
Major affective disorder MAJOR AFFECTIVE DISORDER 2, MAJOR AFFECTIVE DISORDER 1, MAJOR AFFECTIVE DISORDER 4, MAJOR AFFECTIVE DISORDER 6, MAJOR AFFECTIVE DISORDER 7, MAJOR AFFECTIVE DISORDER 8, MAJOR AFFECTIVE DISORDER 9 ClinVar
Mental depression Depressive disorder ClinVar
Peripheral axonal neuropathy Peripheral axonal neuropathy ClinVar
Progressive external ophthalmoplegia Chronic progressive external ophthalmoplegia ClinVar
Associations from Text Mining
Disease Name Relationship Type References
Deaf Blind Disorders Associate 18195150
Hypogonadism Associate 18195150
Liver Failure Associate 27592148, 30157269
Liver Failure Acute Associate 27483465, 27592148
Mitochondrial Diseases Associate 21555342, 23596069, 27483465, 28154168
Muscle Neoplasms Associate 18195150
Ophthalmoplegia Associate 16685652, 27592148
Ophthalmoplegia Chronic Progressive External Associate 18195150, 28154168, 35289132
Sleep Initiation and Maintenance Disorders Associate 23313956
Visceral myopathy familial external ophthalmoplegia Associate 21555342, 27592148, 30157269