PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27105581-6 2016 Sulfite is then converted to thiosulfate by addition of a second persulfide group by sulfurtransferase 1. Thiosulfates 29-40 mercaptopyruvate sulfurtransferase 1 Arabidopsis thaliana 85-104