title: Cation-dependence of the restriction endodeoxyribonuclease EcoRI.
mesh_terms: D002413:Cations, Divalent; D004262:DNA Restriction Enzymes / Q000378:metabolism*; D004926:Escherichia coli / Q000201:enzymology; D007700:Kinetics
chemical_list: D002413:Cations, Divalent; D004262:DNA Restriction Enzymes