title: Inhibition of alpha-chymotrypsin by Suc-L-Tyr-D-Leu-D-Phe-pNA, a stereoisomer of a specific substrate.
mesh_terms: D002918:Chymotrypsin / Q000037:antagonists & inhibitors*; D002942:Circular Dichroism; D009842:Oligopeptides / Q000138:chemical synthesis* / Q000494:pharmacology; D013237:Stereoisomerism; D013379:Substrate Specificity
chemical_list: D009842:Oligopeptides; C048553:succinyl-tyrosyl-leucyl-phenylalanine-4-nitroanilide; D002918:Chymotrypsin