PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6872157-2 1983 When the donors, HGPRT+ cells, and recipients, HGPRT- cells, were plated together in the presence of saccharin, all the interactions that developed in 4 and 24 h were positive for metabolic cooperation. Saccharin 101-110 hypoxanthine phosphoribosyltransferase 1 Homo sapiens 17-22 6872157-2 1983 When the donors, HGPRT+ cells, and recipients, HGPRT- cells, were plated together in the presence of saccharin, all the interactions that developed in 4 and 24 h were positive for metabolic cooperation. Saccharin 101-110 hypoxanthine phosphoribosyltransferase 1 Homo sapiens 47-52