Rapid determination of immobilized ConA lectin activity
Copyright policy )Rapid determination of immobilized ConA lectin activity
ConA was immobilized on an epoxy-activated copolymer of 2-hydroxyethyl-methacrylate and ethylene-dimethacrylate and commercially available high-pressure liquid chromatography (HPLC) sorbents Separon HEMA 1000 EL, Separon HEMA 1000 E, and Separon HEMA 1000 EH (Tessek, Prague, CSFR Denmark). Specific, sensitive, and rapid method for determination of immobilized ConA lectin activity was developed. beta-Galactosidase from Aspergilus oryzae oligomannosyl residues was used as specific affinant. After separation of bound and unbound beta-galactosidase, enzyme activity was measured in supernatant and thus immobilized ConA lectin activity was calculated easily. The use of the method for evaluating the properties of immobilized ConA, efficiency of immobilization, specific activity, and thermostability is shown. The method developed could be generalized by using artificially glycosylated enzyme for any lectin.
Aspergillus, Hot Temperature, Time Factors, Lectins, Concanavalin A, beta-Galactosidase, Sensitivity and Specificity, Protein Binding
Aspergillus, Hot Temperature, Time Factors, Lectins, Concanavalin A, beta-Galactosidase, Sensitivity and Specificity, Protein Binding
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