title: Comparison of L-cystine-di-beta-naphthylamide and S-benzyl-L-cysteine-4-p-nitroanilide as substrates for the assay of serum cystine aminopeptidase in pregnancy.
mesh_terms: D000577:Amides; D000626:Aminopeptidases / Q000097:blood*; D000813:Anilides; D001322:Autoanalysis; D001593:Benzyl Compounds; D003545:Cysteine; D003553:Cystine; D010122:Cystinyl Aminopeptidase / Q000097:blood; D004126:Dimethylformamide; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008722:Methods; D009281:Naphthalenes; D009574:Nitro Compounds; D011247:Pregnancy; D013053:Spectrophotometry; D013329:Structure-Activity Relationship
chemical_list: D000577:Amides; D000813:Anilides; D001593:Benzyl Compounds; D009281:Naphthalenes; D009574:Nitro Compounds; D003553:Cystine; D004126:Dimethylformamide; D000626:Aminopeptidases; D010122:Cystinyl Aminopeptidase; D003545:Cysteine