CPSF Cap Binding Complex (CBC) Nucleoplasmic mature intronless derived mRNA:TAP:Aly/Ref complex Mature intronless derived mRNA complex Docking of the Mature intronless derived transcript derived mRNA, TAP and Aly/Ref at the NPC Authored: Gillespie, ME, 2005-01-26 20:24:54 GENE ONTOLOGYGO:0006406 Reactome Database ID Release 4377594 Reactome, http://www.reactome.org ReactomeREACT_1897 The polyadenylated, capped transcript and TAP dock at the nucleoplasmic side of the NPC. The Cap Binding Complex (CBC) and CPSF complexes are released back into the nucleoplasm.