Kinetic characteristics of tetrameric malate dehydrogenase from animals and bacteria, produced by ion-exchange chromatography
Abstract
Homogeneous isozymes of malate dehydrogenase (MDH) were purified from bacteria
Sphaerotilus natans D-507 (with specific activity of 2,78 and 3,37 units/mg protein) and rat liver (with
specific activity of 2,19 and 1,77 units/mg protein). Presence of dimeric and tetrameric MDH were
determined. Isoforms were separated by ion-exchange chromatography. Kinetic characteristics of
tetrameric enzyme were studied. Organism response on changing conditions connects with new isoform
formation
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