POLD3

Polymerase (DNA-directed), delta 3, accessory subunit
Rendering of POLD3 from PDB 1U76​
Available structures PDB Ortholog search: PDBe, RCSB List of PDB id codes 1U76​, 3E0J​
Identifiers
Symbols	POLD3 ; P66; P68; PPP1R128
External IDs	OMIM: 611415 MGI: 1915217 HomoloGene: 38202 ChEMBL: 2260 GeneCards: POLD3 Gene
Gene ontology Molecular function • DNA-directed DNA polymerase activity • protein binding Cellular component • nucleus • nucleoplasm • mitochondrion • delta DNA polymerase complex Biological process • mitotic cell cycle • telomere maintenance via recombination • telomere maintenance • DNA synthesis involved in DNA repair • DNA strand elongation involved in DNA replication • DNA repair • transcription-coupled nucleotide-excision repair • base-excision repair • nucleotide-excision repair • nucleotide-excision repair, DNA gap filling • mismatch repair • translesion synthesis • telomere maintenance via semi-conservative replication • DNA damage response, detection of DNA damage Sources: Amigo / QuickGO
RNA expression pattern
More reference expression data
Orthologs
Species	Human	Mouse
Entrez	10714	67967
Ensembl	ENSG00000077514	ENSMUSG00000030726
UniProt	Q15054	Q9EQ28
RefSeq (mRNA)	NM_006591	NM_133692
RefSeq (protein)	NP_006582	NP_598453
Location (UCSC)	Chr 11: 74.49 – 74.67 Mb	Chr 7: 100.08 – 100.12 Mb
PubMed search

DNA polymerase delta subunit 3 is an enzyme that in humans is encoded by the POLD3 gene.^[1][2] It is a component of the DNA polymerase delta complex.

Interactions

POLD3 has been shown to interact with PCNA.^[3][4]

References

1. Hughes P, Tratner I, Ducoux M, Piard K, Baldacci G (Jun 1999). "Isolation and identification of the third subunit of mammalian DNA polymerase delta by PCNA-affinity chromatography of mouse FM3A cell extracts". Nucleic Acids Res 27 (10): 2108–14. doi:10.1093/nar/27.10.2108. PMC 148430. PMID 10219083.
2. "Entrez Gene: POLD3 polymerase (DNA-directed), delta 3, accessory subunit".
3. Ducoux M, Urbach S, Baldacci G, Hübscher U, Koundrioukoff S, Christensen J, Hughes P (Dec 2001). "Mediation of proliferating cell nuclear antigen (PCNA)-dependent DNA replication through a conserved p21(Cip1)-like PCNA-binding motif present in the third subunit of human DNA polymerase delta". J. Biol. Chem. 276 (52): 49258–66. doi:10.1074/jbc.M106990200. PMID 11595739.
4. Ohta S, Shiomi Y, Sugimoto K, Obuse C, Tsurimoto T (Oct 2002). "A proteomics approach to identify proliferating cell nuclear antigen (PCNA)-binding proteins in human cell lysates. Identification of the human CHL12/RFCs2-5 complex as a novel PCNA-binding protein". J. Biol. Chem. 277 (43): 40362–7. doi:10.1074/jbc.M206194200. PMID 12171929.

Further reading

• Nomura N, Miyajima N, Sazuka T, Tanaka A, Kawarabayasi Y, Sato S, Nagase T, Seki N, Ishikawa K, Tabata S (1995). "Prediction of the coding sequences of unidentified human genes. I. The coding sequences of 40 new genes (KIAA0001-KIAA0040) deduced by analysis of randomly sampled cDNA clones from human immature myeloid cell line KG-1". DNA Res. 1 (1): 27–35. doi:10.1093/dnares/1.1.27. PMID 7584026.
• Zeng XR, Jiang Y, Zhang SJ, Hao H, Lee MY (1994). "DNA polymerase delta is involved in the cellular response to UV damage in human cells". J. Biol. Chem. 269 (19): 13748–51. PMID 7910606.
• Longley MJ, Pierce AJ, Modrich P (1997). "DNA polymerase delta is required for human mismatch repair in vitro". J. Biol. Chem. 272 (16): 10917–21. doi:10.1074/jbc.272.16.10917. PMID 9099749.
• Mo J, Liu L, Leon A, Mazloum N, Lee MY (2000). "Evidence that DNA polymerase delta isolated by immunoaffinity chromatography exhibits high-molecular weight characteristics and is associated with the KIAA0039 protein and RPA". Biochemistry 39 (24): 7245–54. doi:10.1021/bi0000871. PMID 10852724.
• Ducoux M, Urbach S, Baldacci G, Hübscher U, Koundrioukoff S, Christensen J, Hughes P (2002). "Mediation of proliferating cell nuclear antigen (PCNA)-dependent DNA replication through a conserved p21(Cip1)-like PCNA-binding motif present in the third subunit of human DNA polymerase delta". J. Biol. Chem. 276 (52): 49258–66. doi:10.1074/jbc.M106990200. PMID 11595739.
• Ohta S, Shiomi Y, Sugimoto K, Obuse C, Tsurimoto T (2002). "A proteomics approach to identify proliferating cell nuclear antigen (PCNA)-binding proteins in human cell lysates. Identification of the human CHL12/RFCs2-5 complex as a novel PCNA-binding protein". J. Biol. Chem. 277 (43): 40362–7. doi:10.1074/jbc.M206194200. PMID 12171929.
• Pohler JR, Otterlei M, Warbrick E (2006). "An in vivo analysis of the localisation and interactions of human p66 DNA polymerase delta subunit". BMC Mol. Biol. 6: 17. doi:10.1186/1471-2199-6-17. PMC 1187890. PMID 16000169.
• Takemura M, Yoshida S, Akiyama T, Kitagawa M, Yamada Y (2006). "Role of the second-largest subunit of DNA polymerase alpha in the interaction between the catalytic subunit and hyperphosphorylated retinoblastoma protein in late S phase". Biochim. Biophys. Acta 1764 (9): 1447–53. doi:10.1016/j.bbapap.2006.06.015. PMID 16935576.
• Olsen JV, Blagoev B, Gnad F, Macek B, Kumar C, Mortensen P, Mann M (2006). "Global, in vivo, and site-specific phosphorylation dynamics in signaling networks". Cell 127 (3): 635–48. doi:10.1016/j.cell.2006.09.026. PMID 17081983.
• Masuda Y, Suzuki M, Piao J, Gu Y, Tsurimoto T, Kamiya K (2007). "Dynamics of human replication factors in the elongation phase of DNA replication". Nucleic Acids Res. 35 (20): 6904–16. doi:10.1093/nar/gkm822. PMC 2175312. PMID 17932049.