Abstract
1. Procedures for the extensive purification in high yield of N-acetyl-D-glucosamine kinase from rat liver and kidney are described. The separation of this enzyme from hepatic glucokinase depended primarily on their differing behaviour on an affinity column of Sepharose-N-(6-aminohexanoyl)-2-amino-2-deoxy-D-glucopyranose. 2. This N-acetyl-D-glucosamine kinase also catalyses the phosphorylation of N-acetyl-D-mannosamine and, at a lower rate, several other sugar analogues, including D-glucose. 3. A comparison of the behaviour of the enzyme during gel filtration and electrophoresis in sodium dodecyl sulphate/polyacrylamide gels suggests that N-acetyl-D-glucosamine kinase is a symmetrical dimer of mol.wt. 80000.
Subject
Cell Biology,Molecular Biology,Biochemistry
Cited by
34 articles.
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