PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 11716671-1 2001 The inclusion of guanosine-5"-monothiophosphate (GMPS) in an in vitro transcription reaction facilitates enzymatic synthesis of an RNA transcript with a monothiophosphate group at the 5" end. Guanosine 5'-monophosphorothioate 49-53 guanine monophosphate synthase Homo sapiens 17-47