catalytic activity:(5Z,13E)-(15S)-9-alpha,11-alpha-epidioxy-15-hydroxyprosta-5,13-dienoate = (5Z,13E)-(15S)-11-alpha,15-dihydroxy-9-oxoprosta-5,13-dienoate.,function:Molecular chaperone that localizes to genomic response elements in a hormone-dependent manner and disrupts receptor-mediated transcriptional activation, by promoting disassembly of transcriptional regulatory complexes.,pathway:Lipid metabolism; prostaglandin biosynthesis.,similarity:Belongs to the p23/wos2 family.,similarity:Contains 1 CS domain.,subunit:Binds to telomerase and to the progesterone receptor.,