PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8223566-10 1993 Both C3a and C5a stimulated high-affinity binding of [35S]GTP[S] up to 1.5-fold and 3-fold, respectively. Sulfur-35 54-57 complement C3 Homo sapiens 5-8 3827822-2 1986 Phorbol myristate acetate (PMA)-stimulated human monocyte-like cells (U-937) were found to synthesize the third component of complement (C3), as shown by enzyme-linked immunosorbent assay and immunoprecipitation from [35S]methionine-labelled culture supernatants. Sulfur-35 218-221 complement C3 Homo sapiens 125-139