PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 16656715-6 1967 Coumarin did not inhibit nitrate reductase activity when added directly to the assay mixture at 5 mm.Carbamyl phosphate and its chemical derivative, cyanate, were found to be competitive (with nitrate) inhibitors of nitrate reductase. Carbamyl Phosphate 101-119 nitrate reductase [NADH] 1 Zea mays 216-233