DNA-binding activity of jun is increased through its interaction with Fos

Transcription factor AP‐1 mediates induction of a set of genes in response to the phorbol ester tumor promoter TPA. Recently, AP‐I preparations from HeLa cells were shown to contain a product of the c‐JUN protooncogene (Jun/AP‐l) which forms a tight complex with the Fos protein. In this paper, we ex...

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