Deoxyribonucleic acid dependent ribonucleic acid polymerases from two T4 phage-infected systems.

Bacterial Proteins/isolation & purification,metabolism Carbon Radioisotopes Centrifugation, Density Gradient Chromatography, DEAE-Cellulose Chromatography, Ion Exchange Coliphages DNA DNA, Viral/pharmacology DNA-Directed RNA Polymerases/isolation & purification,metabolism Deoxyribonucleases/analysis Electrophoresis, Polyacrylamide Gel Escherichia coli/enzymology,growth & development,metabolism Genes Macromolecular Substances Molecular Weight Mutation Protamines Protein Binding Species Specificity Sulfuric Acids Thymus Gland

Bacterial Proteins Carbon Radioisotopes DNA, Viral Macromolecular Substances Protamines Sulfuric Acids DNA DNA-Directed RNA Polymerases Deoxyribonucleases