Michael G Abel

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Progesterone receptors (PR) are present in two isoforms, PR-A and PR-B. The B-upstream segment (BUS) of PR-B is a 164 amino acid N-terminal extension that is missing in PR-A and is responsible for the functional differences reported between the two isoforms. BUS contains an activation function (AF3) which is defined by a core domain between residues 54-154(More)
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