Isolation of an inhibitor protein of E. coli RNA polymerase from T7 phage infected cell.

Cell-Free System Centrifugation, Density Gradient Chloramphenicol/pharmacology Chromatography, DEAE-Cellulose Chromatography, Ion Exchange Coliphages DNA Viruses/analysis DNA-Directed RNA Polymerases/antagonists & inhibitors,metabolism Electrophoresis, Polyacrylamide Gel Enzyme Repression Escherichia coli/enzymology Lysogeny Protein Biosynthesis Proteins/isolation & purification,pharmacology RNA, Messenger/biosynthesis RNA, Viral/biosynthesis Sodium Dodecyl Sulfate Suppression, Genetic

Proteins RNA, Messenger RNA, Viral Sodium Dodecyl Sulfate Chloramphenicol DNA-Directed RNA Polymerases