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Catalysis of the reaction: NTP + 5'-dephosphopolynucleotide = NDP + 5'-phosphopolynucleotide. The polynucleotide may be DNA or RNA. Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule. Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to an alcohol group (acceptor). Catalysis of the reaction: GTP + 5'-dephosphopolynucleotide = GDP + 5'-phosphopolynucleotide. The polynucleotide may be DNA or RNA. Catalysis of the reaction: ATP + 5'-dephosphopolynucleotide = ADP + 5'-phosphopolynucleotide. The polynucleotide may be DNA or RNA. Catalysis of the reaction: NTP + 5'-dephospho-DNA = NDP + 5'-phospho-DNA. Catalysis of the reaction: NTP + 5'-dephospho-RNA = NDP + 5'-phospho-RNA. Catalysis of the transfer of a phosphate group, usually from ATP or GTP, to a nucleobase, nucleoside, nucleotide or polynucleotide substrate. Catalysis of the transfer of a phosphorus-containing group from one compound (donor) to another (acceptor).

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: polynucleotide kinase activity
Acc: GO:0051731
Aspect: Molecular Function
Desc: Catalysis of the reaction: NTP + 5'-dephosphopolynucleotide = NDP + 5'-phosphopolynucleotide. The polynucleotide may be DNA or RNA.
Synonyms:
  • polynucleotide 5'-hydroxy-kinase activity
  • polynucleotide 5'-hydroxyl kinase (phosphorylating) activity
  • PNK
  • 5'-dephosphopolynucleotide kinase activity
  • 5'-hydroxyl polynucleotide kinase activity
  • polynucleotide 5'-hydroxyl-kinase activity
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 7 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0051731 - polynucleotide kinase activity (interactive image map)
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