Identification of quaternary structure and functional domains of the CI repressor from bacteriophage TP901-1.

Abstract excerpt

The bacteriophage-encoded repressor protein plays a key role in determining the life cycle of a temperate phage following infection of a sensitive host. The repressor protein CI, which is encoded by the temperate lactococcal phage TP901-1, represses transcription from both the lytic promoter P(L) and the lysogenic promoter P(R) by binding to multiple operator sites on the DNA. In this study, we used a small...

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