HMM Summary Page: TIGR02362

AccessionTIGR02362
NamedhaK1b
Functionprobable dihydroxyacetone kinase DhaK1b subunit
Gene SymboldhaK2
Trusted Cutoff413.25
Domain Trusted Cutoff413.25
Noise Cutoff409.20
Domain Noise Cutoff409.20
Isology Typeequivalog
HMM Length326
AuthorHaft DH
Entry DateOct 28 2004 12:17PM
Last ModifiedFeb 14 2011 3:27PM
CommentTwo 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 with a phosphoprotein donor related to PTS transport proteins. This family represents a protein, unique to the Firmicutes (low GC Gram-positives), that appears to be a divergent second copy of the K subunit of that complex; its gene is always found in operons with the other three proteins of the complex.