PMID:4861885
| Citation |
White, RJ and Pasternak, CA (1967) The purification and properties of N-acetylglucosamine 6-phosphate deacetylase from Escherichia coli. Biochem. J. 105:121-5 |
|---|---|
| Abstract |
1. N-Acetylglucosamine 6-phosphate deacetylase and 2-amino-2-deoxy-d-glucose 6-phosphate ketol-isomerase (deaminating) (EC 5.3.1.10, glucosamine 6-phosphate deaminase) of Escherichia coliK(12) have been separated by chromatography on DEAE-cellulose. 2. N-Acetylglucosamine 6-phosphate deacetylase has optimum pH8.5 and K(m) 0.8mm. Glucosamine 6-phosphate is a product of the reaction. There appear to be no essential cofactors. Glucosamine 6-phosphate and fructose 6-phosphate inhibit deacetylation. 3. Glucosamine 6-phosphate deaminase has optimum pH7.0 and K(m) 9.0mm. It is stimulated by N-acetylglucosamine 6-phosphate. 4. We propose that the deacetylase be termed 2-acetamido-2-deoxy-d-glucose 6-phosphate amidohydrolase (EC 3.5.1.-), with acetylglucosamine 6-phosphate deacetylase as a trivial name. |
| Links | |
| Keywords |
Cellulose; Chemical Precipitation; Chromatography, Ion Exchange; Escherichia coli/enzymology; Hydrogen-Ion Concentration; Isomerases/analysis; Kinetics; Models, Biological; Stimulation, Chemical |
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