PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8576262-5 1996 Even though Ras GTP loading is similar for IL-8 and C5a, the maximal activation of Raf-1 and B-Raf is approximately 2-fold and 3-7-fold, respectively, less for IL-8 than that observed for C5a. ras gtp 12-19 B-Raf proto-oncogene, serine/threonine kinase Homo sapiens 93-98