all serine enzyme-type molecules including tsp-1 expressed by ctll were identified by labeling cell lysates or gradient fractions with the serine proteinase-specific affinity ligand tritiated diisopropyl fluorophosphate [ ( 3h ] dfp ) in the presence or in the absence of class-specific or enzyme-specific proteinase inhibitors and subsequent sodium dodecyl sulfate-polyacrylamide gel electrophoresis .
C0014442
enzyme
C0030946
proteinase