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Nature 252, 21-24 (1 November 1974) | doi:10.1038/252021a0

New RNA polymerase from Bacillus subtilis infected with phage PBS2

Steve Clark, Richard Losick & Janice Pero

  1. The Biological Laboratories, Harvard University, Cambridge, Massachusetts 02138
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Bacillus subtilis infected with bacteriophage PBS2 contains a new rifampicin-resistant RNA polymerase that is apparently composed of four different polypeptides.