title: Studies on the neuraminidases of influenza virus. 3. Stimulation of activity by bivalent cations.
mesh_terms: D002118:Calcium; D055598:Chemical Phenomena; D002621:Chemistry; D002845:Chromatography; D002918:Chymotrypsin / Q000032:analysis; D003956:Dialysis; D007700:Kinetics; D008274:Magnesium; D008345:Manganese; D009439:Neuraminidase; D009975:Orthomyxoviridae / Q000201:enzymology*
chemical_list: D008345:Manganese; D009439:Neuraminidase; D002918:Chymotrypsin; D008274:Magnesium; D002118:Calcium