title: Structure of premRNP. Models and pitfalls.
mesh_terms: D002843:Chromatin / Q000648:ultrastructure; D008970:Molecular Weight; D009698:Nucleoproteins / Q000302:isolation & purification; D012332:RNA, Heterogeneous Nuclear / Q000302:isolation & purification; D012333:RNA, Messenger / Q000096:biosynthesis
chemical_list: D002843:Chromatin; D009698:Nucleoproteins; D012332:RNA, Heterogeneous Nuclear; D012333:RNA, Messenger