title: A continuous spectrophotometric assay for cyclic 3',5'-nucleotide phosphodiesterase.
mesh_terms: D015105:3',5'-Cyclic-AMP Phosphodiesterases / Q000032:analysis*; D001322:Autoanalysis / Q000379:methods; D006868:Hydrolysis; D010637:Phenolsulfonphthalein; D011522:Protons; D013053:Spectrophotometry
chemical_list: D011522:Protons; D015105:3',5'-Cyclic-AMP Phosphodiesterases; D010637:Phenolsulfonphthalein