PUF60 (Poly (U) -binding-splicing Factor PUF60, 60kD Poly (U) -binding-splicing Factor, FUSE-binding Protein-interacting Repressor, FBP-interacting Repressor, FIR, Ro-binding Protein 1, RoBP1, ROBPI, Siah-binding Protein 1, SIAHBP1, Siah-BP1) (APC)