PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 23149874-8 2012 The further study indicated that hexamethonium, PD98059, and SB203580 significantly inhibited ERK1/2 and p38 MAPK phosphorylation. Hexamethonium 33-46 mitogen-activated protein kinase 1 Homo sapiens 105-108