PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 33189720-4 2021 Exchange activity of arginine and histidine/arginine, as observed for Ypq2 of S. cerevisiae, was also detected in the vesicles expressing stm1+. Histidine 34-43 Ypq2p Saccharomyces cerevisiae S288C 70-74