He Z, et al. (1993) (original) (raw)

Reference: He Z, et al. (1993)

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Abstract

Many transcription factors can activate the initiation of DNA replication. We have used affinity chromatography to show that the acidic activation domains of the transcription factors VP16, GAL4, and p53 each bind selectively to human and yeast replication factor A (RPA). The binding is direct and to the largest subunit of the trimeric RPA complex, RPA-1. Mutations in VP16 that reduce the ability of GAL4-VP16 to activate polyomavirus DNA replication also compromise the binding of VP16 to RPA. We suggest that transcription factors may interact with RPA either to stabilize single-stranded DNA at a replication origin or to recruit DNA polymerase alpha to the replication initiation complex.

Reference Type

Journal Article | Research Support, Non-U.S. Gov't

Authors

He Z, Brinton BT, Greenblatt J, Hassell JA, Ingles CJ

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