PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8643607-3 1996 Using a yeast two-hybrid system, we were able to isolate a ligand-dependent AR-associated protein (ARA70), which functions as an activator to enhance AR transcriptional activity 10-fold in the presence of 10(-10) M dihydrotestosterone or 10(-9) M testosterone, but not 10(-6) M hydroxyflutamide in human prostate cancer DU145 cells. Testosterone 222-234 androgen receptor Homo sapiens 76-78