PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 6817811-7 1982 Measurement of turnover times by incubating the cells with cycloheximide revealed a short turnover time for the enzymic activity tested with exogenous [1-14C]arachidonate (2.3 h) and a relatively long turnover time for the cyclooxygenase activity tested with endogenous substrate released after thrombin treatment of the cells (54 h). Cycloheximide 59-72 coagulation factor II, thrombin Homo sapiens 295-303