Homo sapiens Gene: POLG
Summary
InnateDB Gene IDBG-29260.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol POLG
Gene Name polymerase (DNA directed), gamma
Synonyms MDP1; MIRAS; MTDPS4A; MTDPS4B; PEO; POLG1; POLGA; SANDO; SCAE
Species Homo sapiens
Ensembl Gene ENSG00000140521
Encoded Proteins
polymerase (DNA directed), gamma
polymerase (DNA directed), gamma
polymerase (DNA directed), gamma
polymerase (DNA directed), gamma
polymerase (DNA directed), gamma
polymerase (DNA directed), gamma
polymerase (DNA directed), gamma
Protein Structure
Useful resources Stemformatics EHFPI ImmGen
Entrez Gene
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 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]
Gene Information
Type Protein coding
Genomic Location Chromosome 15:89316303-89334861
Strand Reverse strand
Band q26.1
Transcripts
ENST00000268124 ENSP00000268124
ENST00000442287 ENSP00000399851
ENST00000530292 ENSP00000432885
ENST00000526671
ENST00000530715 ENSP00000431395
ENST00000528881 ENSP00000433502
ENST00000532584
ENST00000526314 ENSP00000432389
ENST00000526398 ENSP00000434937
ENST00000526573
ENST00000533857
ENST00000532363
ENST00000525806
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 6 experimentally validated interaction(s) in this database.
They are also associated with 1 interaction(s) predicted by orthology.
Experimentally validated
Total 6 [view]
Protein-Protein 6 [view]
Protein-DNA 0
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Predicted by orthology
Total 1 [view]
Gene Ontology

Molecular Function
Accession GO Term
GO:0002020 protease binding
GO:0003676 nucleic acid binding
GO:0003677 DNA binding
GO:0003682 chromatin binding
GO:0003887 DNA-directed DNA polymerase activity
GO:0004527 exonuclease activity
GO:0005515 protein binding
Biological Process
GO:0006259 DNA metabolic process
GO:0006260 DNA replication
GO:0006261 DNA-dependent DNA replication
GO:0006264 mitochondrial DNA replication
GO:0006287 base-excision repair, gap-filling
GO:0007568 aging
GO:0008219 cell death
GO:0090305 nucleic acid phosphodiester bond hydrolysis
Cellular Component
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane
GO:0005760 gamma DNA polymerase complex
GO:0042645 mitochondrial nucleoid
GO:0070062 extracellular vesicular exosome
Orthologs
Species
Mus musculus
Bos taurus
Gene ID
Gene Order
Not yet available
Cross-References
SwissProt
TrEMBL
UniProt Splice Variant
Entrez Gene
UniGene Hs.706868
RefSeq NM_001126131 NM_002693
HUGO
OMIM
CCDS CCDS10350
HPRD 01438
IMGT
EMBL
GenPept
RNA Seq Atlas