Editing mRNA precursors.
D005796:Genes; D006367:HeLa Cells / Q000378:metabolism; D006801:Humans; D009694:Nucleic Acid Precursors / Q000235:genetics*; D012322:RNA Precursors; D012333:RNA, Messenger / Q000235:genetics*; D014158:Transcription, Genetic
D009694:Nucleic Acid Precursors; D012322:RNA Precursors; D012333:RNA, Messenger