PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7929254-4 1994 Inactivation of C5a paralleled the emergence of plasmin activity, assayed by cleavage of the synthetic substrate H-D-valyl-L-leucyl-L-lysine-p-nitroanilide (S-2251). valyl-leucyl-lysine 4-nitroanilide 157-163 complement C5a receptor 1 Homo sapiens 16-19