Poly AB for an Immobilized Trypsin

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Abstract
Pig polyclonal antibodies against the biospecific complex of trypsin with its inhibitor “antilysine” were prepared by affinity chromatography on trypsin-bound beaded cellulose. The antibodies were characterised by ion exchange FPLC and SDS PAGE as pure IgG. The catalytic activity of trypsin was not affected by interaction with these antibodies, even in the presence of excess of antibody. Trypsin, biospecifically bound to CNBr-activated Sepharose 4B, displayed full catalytic activity.