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. 1987 Jun;15(1):11-24.
doi: 10.1007/BF02798503.

Synthesis and properties of vinyl monomer/enzyme conjugates. Conjugation of L-asparaginase with N-succinimidyl acrylate

S G Shoemaker  1 , A S Hoffman, J H Priest
Affiliations

Synthesis and properties of vinyl monomer/enzyme conjugates. Conjugation of L-asparaginase with N-succinimidyl acrylate

S G Shoemaker et al. Appl Biochem Biotechnol. 1987 Jun.

Abstract

Monomer conjugation of an enzyme followed by copolymerization with free monomer is a useful method of enzyme immobilization. L-asparaginase was conjugated with N-succinimidyl acrylate. Analysis of the conjugated enzyme via isoelectric focusing showed that a molar ratio of 9.5 free monomers per enzyme was needed during the conjunction for each vinyl group bound. Only 3% of the enzyme activity was lost per vinyl group added, and conjugation of an average of four monomers per enzyme thermally destabilized the enzyme only at temperatures above 50 degrees C. Activity of the enzyme at physiological temperatures was relatively unaffected.

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