title: Guanylate cyclase from bovine lung. A kinetic analysis of the regulation of the purified soluble enzyme by protoporphyrin IX, heme, and nitrosyl-heme.
mesh_terms: D000818:Animals; D002417:Cattle; D006162:Guanylate Cyclase / Q000302:isolation & purification / Q000378:metabolism*; D006418:Heme / Q000031:analogs & derivatives* / Q000494:pharmacology*; D007700:Kinetics; D008168:Lung / Q000201:enzymology*; D008274:Magnesium / Q000494:pharmacology; D011166:Porphyrins / Q000494:pharmacology*; D011524:Protoporphyrins / Q000494:pharmacology*
chemical_list: D011166:Porphyrins; D011524:Protoporphyrins; D006418:Heme; C027417:nitrosylprotoheme; C028025:protoporphyrin IX; D006162:Guanylate Cyclase; D008274:Magnesium