Abstract
Polyelectrolyte complexes (PEC) of L-asparaginases Erwinia carotovora (EwA) and Rhodospirillum rubrum (RrA) with chitosan, chitosan-PEG, chitosan-glycol and polyethyleneimine (PEI) were obtained. For RrA PECs with polycation, an increase in specific activities was observed. For EwA PECs, the activity decreased. EwA PECs with polycation were more thermostable compared to the native enzyme; for RrA PECs, the thermostability decreased.
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