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dihydroxyacetone kinase subunit DhaK
This is the kinase domain of the dihydroxyacetone kinase family EC:2.7.1.29. (from Pfam)
DAK2 domain-containing protein
This domain is the predicted phosphatase domain of the dihydroxyacetone kinase family. (from Pfam)
dihydroxyacetone kinase family protein
dihydroxyacetone kinase family protein such as Mycobacterium smegmatis D-erythrulose kinase and L-erythrulose 1-kinase, which catalyze the phosphorylation of D-erythrulose and L-erythrulose to produce D-erythrulose-4P and L-erythrulose-1P, respectively
Two types of dihydroxyacetone kinase (glycerone kinase) are described. In yeast and a few bacteria, e.g. Citrobacter freundii, the enzyme is a single chain that uses ATP as phosphoryl donor and is designated EC 2.7.1.29. By contract, E. coli and many other bacterial species have a multisubunit form (EC 2.7.1.-) with a phosphoprotein donor related to PTS transport proteins. This family represents the DhaK subunit of the latter type of dihydroxyacetone kinase, but it specifically excludes the DhaK paralog DhaK2 (TIGR02362) found in the same operon as DhaK and DhaK in the Firmicutes.
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