PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 182889-2 1976 Both cGMP and dibutyryl cGMP enhanced to an equal extent platelet aggregation induced by epinephrine or by chick skin collagen alpha1 chain. dibutyryl-cGMP 14-28 collagen type I alpha 1 chain Gallus gallus 118-139