PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 8456975-6 1993 In rings with endothelium contracted with prostaglandin F2 alpha, pertussis toxin (100 ng/ml) or LPC (10(-5) M) inhibited the endothelium-dependent relaxations evoked by UK-14,304, an alpha 2-adrenergic agonist, or by serotonin, but not those caused by bradykinin or ADP. uk-14 170-175 kininogen 1 Homo sapiens 253-263