L-Pyroglutamyl-L-phenylalanyl-L-leucine-p-nitroanilide--a chromogenic substrate for thiol proteinase assay. [electronic resource] - Analytical biochemistry Dec 1984 - 293-7 p. digital Publication Type: Journal Article ISSN: 0003-2697 Standard No.: 10.1016/0003-2697(84)90665-1 doi Subjects--Topical Terms: BacitracinBromelains--analysisCatalysisChromatography, AffinityChromogenic CompoundsCysteine EndopeptidasesEndopeptidases--analysisFicain--analysisHydrogen-Ion ConcentrationHydrolysisOligopeptidesPapain--analysisPyrrolidonecarboxylic Acid--analogs & derivativesSepharose