作者: Dayle A. Hager , Ding Jun Jin , Richard R. Burgess
DOI: 10.1021/BI00486A016
关键词:
摘要: A method for the purification of highly pure and active Escherichia coli RNA polymerase holoenzyme is described. This simple, reproducible, can be performed at room temperature. The procedure involves high-performance liquid chromatography a partially purified sample on Mono Q ion-exchange column. Under conditions used, well separated from core other impurities. contains virtually no impurities as judged by SDS-polyacrylamide gel electrophoresis. sigma 70 subunit in stoichiometric amounts least 90% active.