... England Biolabs (Ipswich, MA,USA) (9106S). The b-tubulin and HA antibodies wereobtained from E7 (Iowa Hybridoma Bank, Iowa City,IA, USA) and 12CA5 (Abcam, Cambridge, MA, USA)hybridomas, respectively. ... RNA helicase in translational repression is anRNA-mediated oligomer. Nucleic Acids Res 32, 1325–1334.5 Nakahata S, Kotani T, Mita K, Kawasaki T, Katsu Y,Nagahama Y & Yamashita M (2003) ... known as Fox2, fxh and RTA) ispart of a family of proteins that includes A2 BP1 (alsocalled Fox1) and HRNbp3. Several of these homo-logues have been identified in mammals, zebrafish,Drosophila and...