Nuclear accessory factors enhance the binding of progesterone receptor to specific target DNA.


The human progesterone receptor (PR) is dependent upon hormone and a nuclear accessory factor(s) for maximal binding to progesterone response elements (PRES) in vitro. Recombinant full-length PR, expressed in a baculovirus system and purified to apparent homogeneity, was used as a substrate to isolate and identify the accessory factor(s). The major PRE… (More)


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