Retraction: 'A subfamily of RNA‐binding DEAD‐box proteins acts as an estrogen receptor α coactivator through the N‐terminal activation domain (AF‐1) with an RNA coactivator, SRA'. (1st December 2014) - Watanabe, Michiko; Yanagisawa, Junn; Kitagawa, Hirochika; Takeyama, Ken‐ichi; Ogawa, Satoko; Arao, Yukitomo; Suzawa, Miyuki; Kobayashi, Yoko; Yano, Tetsu; Yoshikawa, Hiroyuki; Masuhiro, Yoshikazu; Kato, Shigeaki