PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7693604-10 1993 Compared to the well characterized linear substrate Val-5 angiotensin II, the D-Phe-Pro-containing cyclic peptides have higher Vmax values but differ little in Km, with values in the millimolar range. Peptides, Cyclic 99-114 angiotensinogen Homo sapiens 58-72