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Anhydroelastase: Enhanced affinity toward product‐type ligands revealed by affinity chromatography
Author(s) -
Kumazaki Takashi,
Kobayashi Masatomo,
Ishii Shinichi
Publication year - 1988
Publication title -
journal of molecular recognition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.401
H-Index - 79
eISSN - 1099-1352
pISSN - 0952-3499
DOI - 10.1002/jmr.300010207
Subject(s) - affinity chromatography , chemistry , chromatography , elastase , sepharose , ligand (biochemistry) , pancreatic elastase , enzyme , biochemistry , receptor
Abstract Anhydroelastase was effectively isolated by a single operation of affinity chromatography from a complex mixture produced by phenylmethylsulfonylation and alkaline treatment of porcine pancreatic elastase. The adsorbent used for the chromatography was 6‐aminohexanoyl‐trialanine, which corresponds to a product of elastase action, immobilized on Sepharose 4B. Successful resolution by the operation indicated that this immobilized ligand possesses the highest affinity for anhydroelastase among various proteins including regenerated elastase in the mixture. Comparative affinity chromatography on immobilized anhydroelastase and on immobilized native elastase further confirmed the stronger interaction of anhydroelastase with the product‐type peptides. Immobilized anhydroelastase was also found to be useful in the purification and search for naturally occurring proteinase inhibitors.