N₆-dimethylallyladenine + acceptor + H₂O $rightleftharpoons$ adenine + 3-methylbut-2-enal + reduced acceptor

The 3 substrates of this enzyme are N6-dimethylallyladenine, acceptor, and H₂O, whereas its 3 products are adenine, 3-methylbut-2-enal, and reduced acceptor.

This enzyme belongs to the family of oxidoreductases, specifically those acting on the CH-NH group of donors with other acceptors. The systematic name of this enzyme class is N6-dimethylallyladenine:acceptor oxidoreductase. Other names in common use include N6-dimethylallyladenine:(acceptor) oxidoreductase, 6-N-dimethylallyladenine:acceptor oxidoreductase, OsCKX2, CKX, and cytokinin oxidase/dehydrogenase.

Structural studies

As of late 2007, 6 structures have been solved for this class of enzymes, with PDB accession codes , , , , , and .

References

• Galuszka P, Frebort I, Sebela M, Sauer P, Jacobsen S, Pec P "Cytokinin oxidase or dehydrogenase? Mechanism of cytokinin degradation in cereals". Eur. J. Biochem. 268 450–61.

External links

Gene Ontology (GO) codes