PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8298793-18 1993 In addition to its antagonist effects, suramin (10-4 M) markedly increased the maximum amplitude of the depolarization produced by ATP.8. Suramin 39-46 ATP synthase 8, mitochondrial Rattus norvegicus 131-136