Mus musculus Protein: Polk
Summary
InnateDB Protein IDBP-174452.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol Polk
Protein Name polymerase (DNA directed), kappa
Synonyms Dinb1;
Species Mus musculus
Ensembl Protein ENSMUSP00000022172
InnateDB Gene IDBG-174450 (Polk)
Protein Structure
UniProt Annotation
Function DNA polymerase specifically involved in DNA repair. Plays an important role in translesion synthesis, where the normal high-fidelity DNA polymerases cannot proceed and DNA synthesis stalls. Depending on the context, it inserts the correct base, but causes frequent base transitions, transversions and frameshifts. Lacks 3'-5' proofreading exonuclease activity. Forms a Schiff base with 5'-deoxyribose phosphate at abasic sites, but does not have lyase activity (By similarity). {ECO:0000250}.
Subcellular Localization Nucleus {ECO:0000250}. Note=Detected throughout the nucleus and at replication foci. {ECO:0000250}.
Disease Associations
Tissue Specificity Detected at low levels in heart, brain, lung, liver, kidney and testis. {ECO:0000269PubMed:10620008}.
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 8 experimentally validated interaction(s) in this database.
They are also associated with 6 interaction(s) predicted by orthology.
Experimentally validated
Total 8 [view]
Protein-Protein 8 [view]
Protein-DNA 0
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Predicted by orthology
Total 6 [view]
Gene Ontology

Molecular Function
Accession GO Term
GO:0003677 DNA binding
GO:0003684 damaged DNA binding
GO:0003887 DNA-directed DNA polymerase activity
GO:0046872 metal ion binding
Biological Process
GO:0006261 DNA-dependent DNA replication
GO:0006281 DNA repair
GO:0006297 nucleotide-excision repair, DNA gap filling
Cellular Component
GO:0005634 nucleus
Protein Structure and Domains
PDB ID MGI:1349767
InterPro IPR001126 DNA-repair protein, UmuC-like
IPR006642 Zinc finger, Rad18-type putative
IPR017961 DNA polymerase, Y-family, little finger domain
IPR017963 DNA-repair protein, UmuC-like, N-terminal
PFAM PF00817
PF11799
PRINTS
PIRSF
SMART SM00734
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt Q9QUG2
PhosphoSite PhosphoSite-Q9QUG2
TrEMBL Q9CRV6
UniProt Splice Variant
Entrez Gene 27015
UniGene Mm.89926
RefSeq NP_036178
MGI ID 4FJO
MGI Symbol Polk
OMIM
CCDS CCDS26704
HPRD
IMGT
EMBL AB027563 AB040765 AF163571 AK014087 BC052820
GenPept AAF02541 AAH52820 BAA86942 BAB29148 BAB59059