Nucleotidyltransferases 10 article 10 Escherichia coli 6 Magnesium 6 enzyme activity 6 glycogen 6 metabolism 6 nucleotidyltransferase 6 priority journal 6 Adenosine Triphosphate 4 Animal 4 Carbon Isotopes 4 Culture Media 4 Enzyme Activation 4 Glucosyltransferases 4 Glycogen 4 Hexosephosphates 4 Kinetics 4 Neurospora 4 PII Nitrogen Regulatory Proteins 4 Signal Transduction 4 Sorbose 4 Sucrose 4 Uracil Nucleotides 4 adenosine triphosphate 4 carbon 4 culture medium 4 enzyme 4 enzyme activation 4 enzymology 4