PNKP

Polynucleotide kinase 3'-phosphatase

PDB rendering based on 2brf.
Available structures
PDB Ortholog search: PDBe, RCSB
Identifiers
SymbolsPNKP ; EIEE10; MCSZ; PNK
External IDsOMIM: 605610 MGI: 1891698 HomoloGene: 5247 GeneCards: PNKP Gene
EC number2.7.1.78, 3.1.3.32
RNA expression pattern
More reference expression data
Orthologs
SpeciesHumanMouse
Entrez1128459047
EnsemblENSG00000039650ENSMUSG00000002963
UniProtQ96T60Q9JLV6
RefSeq (mRNA)NM_007254NM_001290764
RefSeq (protein)NP_009185NP_001277693
Location (UCSC)Chr 19:
50.36 – 50.37 Mb
Chr 7:
44.86 – 44.86 Mb
PubMed search

Bifunctional polynucleotide phosphatase/kinase is an enzyme that in humans is encoded by the PNKP gene.[1][2][3]

Interactions

PNKP has been shown to interact with DNA polymerase beta[4] and XRCC1.[4][5]

References

  1. Jilani A, Ramotar D, Slack C, Ong C, Yang XM, Scherer SW et al. (September 1999). "Molecular cloning of the human gene, PNKP, encoding a polynucleotide kinase 3'-phosphatase and evidence for its role in repair of DNA strand breaks caused by oxidative damage". J. Biol. Chem. 274 (34): 24176–86. doi:10.1074/jbc.274.34.24176. PMID 10446192.
  2. Karimi-Busheri F, Daly G, Robins P, Canas B, Pappin DJ, Sgouros J et al. (September 1999). "Molecular characterization of a human DNA kinase". J. Biol. Chem. 274 (34): 24187–94. doi:10.1074/jbc.274.34.24187. PMID 10446193.
  3. "Entrez Gene: PNKP polynucleotide kinase 3'-phosphatase".
  4. 4.0 4.1 Whitehouse CJ, Taylor RM, Thistlethwaite A, Zhang H, Karimi-Busheri F, Lasko DD et al. (January 2001). "XRCC1 stimulates human polynucleotide kinase activity at damaged DNA termini and accelerates DNA single-strand break repair". Cell 104 (1): 107–17. doi:10.1016/S0092-8674(01)00195-7. PMID 11163244.
  5. Ewing RM, Chu P, Elisma F, Li H, Taylor P, Climie S et al. (2007). "Large-scale mapping of human protein-protein interactions by mass spectrometry". Mol. Syst. Biol. 3 (1): 89. doi:10.1038/msb4100134. PMC 1847948. PMID 17353931.

Further reading