Purification and properties of M protein: an accessory factor for RNA polymerase.

Animals Bacterial Proteins/isolation & purification Cattle Centrifugation, Density Gradient Coliphages DNA, Viral DNA-Directed RNA Polymerases/metabolism Electrophoresis, Polyacrylamide Gel Escherichia coli/analysis Molecular Weight Protein Binding Proteins/pharmacology Transcription, Genetic Tritium

Bacterial Proteins DNA, Viral Proteins Tritium DNA-Directed RNA Polymerases