Gene Information
Gene NamePNKP
OrganismHomo sapiens (Human)
Gene Length521
Protein NamesBifunctional polynucleotide phosphatase/kinase (DNA 5'-kinase/3'-phosphatase) (Polynucleotide kinase-3'-phosphatase) [Includes: Polynucleotide 3'-phosphatase (EC 3.1.3.32) (2'(3')-polynucleotidase); Polynucleotide 5'-hydroxyl-kinase (EC 2.7.1.78)]
Target NameNA
Target TypeNA
Gene Age454 ( ENSG00000039650 )
Evolutionary StageEukaryota
AlphaFoldDBQ96T60
Gene CardPNKP
Uniprot IDQ96T60
PfamPF17913; PF08645
In ASDno
Allosteric Predictionno (-0.061468777)
Ortholog in AnimalsAlpaca_ PNKP ( ortholog_one2one )
Dog_ PNKP ( ortholog_one2one )
GuineaPig_ PNKP ( ortholog_one2one )
Macaque_ PNKP ( ortholog_one2one )
Mouse_ Pnkp ( ortholog_one2one )
Pig_ PNKP ( ortholog_one2one )
Rat_ Pnkp ( ortholog_one2one )
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityExpressed in many tissues with highest expression in spleen and testis, and lowest expression in small intestine (PubMed:10446192). Expressed in higher amount in pancreas, heart and kidney and at lower levels in brain, lung and liver (PubMed:10446193). {ECO:0000269|PubMed:10446192, ECO:0000269|PubMed:10446193}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 2BRF  (X-ray  1.40A  2W3O  (X-ray  1.85A 
DBSNP rs3739168  rs3739173  rs267606957  rs3739185  rs3739186  rs267606956  rs786203983  rs376854895  rs3739206 
Subcellular location [CC]Nucleus {ECO:0000269|PubMed:10446193}. Chromosome {ECO:0000269|PubMed:28453785}. Note=Localizes to site of double-strand breaks. {ECO:0000269|PubMed:28453785}.
Mouse PG classificationNA
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