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In enzymology, a D-arabinokinase (EC is an enzyme that catalyzes the chemical reaction

ATP + D-arabinose ADP + D-arabinose 5-phosphate

Thus, the two substrates of this enzyme are ATP and D-arabinose, whereas its two products are ADP and D-arabinose 5-phosphate.

This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing groups (phosphotransferases) with an alcohol group as acceptor. The systematic name of this enzyme class is ATP:D-arabinose 5-phosphotransferase. This enzyme is also called D-arabinokinase (phosphorylating).


  • IUBMB entry for
  • BRENDA references for (Recommended.)
  • PubMed references for
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  • Google Scholar references for
  • Volk WA (1962). "Purification and properties of D-arabinokinase from Propionibacterium pentosaceum". J. Biol. Chem. 237: 19&ndash, 23.

External links

The CAS registry number for this enzyme class is 37278-02-7.

Gene Ontology (GO) codes