5 pregnene 3,20 dione 2 5 pregnene 4,20 dione 2 A-Homo pregnane Animals 2 COS Cells 2 Cercopithecus aethiops 2 Ligands 2 Models, Molecular 2 Molecular Dynamics Simulation 2 Molecular dynamics 2 Pregnanes 2 Progestagen 2 Progesterone 2 Progesterone receptor 2 RNA 2 Receptors, Progesterone 2 animal cell 2 article 2 biological activity 2 breast cancer 2 cancer cell 2 cell strain COS1 2 complementary DNA 2 crystal structure 2 gestagen 2 hormone receptor interaction 2 hydrogen bond 2 ligand 2 ligand binding 2 mineralocorticoid receptor 2