title: Isolation and assay of a phosphodiesterase inhibitor from retinal rod outer segments.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000378:metabolism; D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors* / Q000302:isolation & purification; D000818:Animals; D002417:Cattle; D004789:Enzyme Activation; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D008970:Molecular Weight; D010786:Photoreceptor Cells / Q000201:enzymology*; D011506:Proteins / Q000302:isolation & purification / Q000502:physiology*; D012374:Rod Cell Outer Segment / Q000201:enzymology*; D014357:Trypsin / Q000494:pharmacology
chemical_list: D011506:Proteins; D015105:3',5'-Cyclic-AMP Phosphodiesterases; D015106:3',5'-Cyclic-GMP Phosphodiesterases; D014357:Trypsin