PMID-sentid Pub_year Sent_text comp_official_name comp_offset protein_name organism prot_offset 33085660-0 2020 Loss of the RNA trimethylguanosine cap is compatible with nuclear accumulation of spliceosomal snRNAs but not pre-mRNA splicing or snRNA processing during animal development. trimethylguanosine 16-34 small nuclear RNA U4 at 25F Drosophila melanogaster 95-100