PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 10381591-18 1999 In addition, SIN-1 and LY 83583 exert cyclic GMP-independent positive inotropic effects, which require the generation of superoxide anion. Superoxides 121-137 MAPK associated protein 1 Homo sapiens 13-18