Bending of adenovirus origin DNA by nuclear factor I as shown by scanning force microscopy is required for optimal DNA replication.

Abstract excerpt

Nuclear factor I (NFI) is a transcription factor that binds to the adenovirus type 5 (Ad5) origin of replication and recruits the adenovirus DNA polymerase, thereby stimulating initiation of DNA replication in vitro. Using scanning force microscopy, we demonstrate that NFI induces a 60 degrees bend upon binding to the origin. The A/T-rich region preceding the core recognition sequence of NFI influences the DNA...

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