The deoxyribonucleic acid modification and restriction enzymes of Escherichia coli B. II. Purification, subunit structure, and catalytic properties of the restriction endonuclease.

Adenosine Adenosine Triphosphate Catalysis Cations, Divalent Centrifugation, Density Gradient Coliphages DNA, Bacterial DNA, Viral Electrophoresis, Disc Endonucleases/antagonists & inhibitors,isolation & purification Escherichia coli/enzymology Ethionine Exonucleases Homocysteine Kinetics Macromolecular Substances Molecular Weight Phosphorus Isotopes S-Adenosylmethionine Sodium Dodecyl Sulfate Sulfides Tritium

Cations, Divalent DNA, Bacterial DNA, Viral Macromolecular Substances Phosphorus Isotopes Sulfides Homocysteine Tritium Sodium Dodecyl Sulfate S-Adenosylmethionine Adenosine Triphosphate Endonucleases Exonucleases Adenosine Ethionine