PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12074663-1 2002 [structure: see text] A novel TTF-based donor with a uracil moiety, TTF-(1-n-butyluracil-5-yl) (TnbU), was synthesized. Uracil 53-59 transcription termination factor 1 Homo sapiens 68-74