CATH Classification
Domain Context
CATH Clusters
Superfamily | Uridine Diphospho-n-acetylenolpyruvylglucosamine Reductase, domain 2 |
Functional Family |
Enzyme Information
1.5.99.12 |
Cytokinin dehydrogenase.
based on mapping to UniProt E3T1W8
N(6)-dimethylallyladenine + acceptor + H(2)O = adenine + 3-methylbut-2- enal + reduced acceptor.
-!- Converts zeatin and related cytokinins. -!- Catalyzes the oxidation of cytokinins, a family of N(6)-substituted adenine derivatives that are plant hormones, where the substituent is a dimethylallyl or other prenyl group. -!- Although this activity was previously thought to be catalyzed by a hydrogen-peroxide-forming oxidase, this enzyme does not require oxygen for activity and does not form hydrogen peroxide. -!- 2,6-dichloroindophenol, methylene blue, nitroblue tetrazolium, phenazine methosulfate and Cu(2+) in the presence of imidazole can act as acceptors.
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UniProtKB Entries (1)
E3T1W8 |
E3T1W8_MAIZE
Zea mays
Cytokinin dehydrogenase 4
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PDB Structure
PDB | 5HHZ |
External Links | |
Method | X-RAY DIFFRACTION |
Organism | |
Primary Citation |
Cytokinin metabolism in maize: Novel evidence of cytokinin abundance, interconversions and formation of a new trans-zeatin metabolic product with a weak anticytokinin activity.
Plant Sci.
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