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. 1984 Oct;48(4):900–901. doi: 10.1128/aem.48.4.900-901.1984

Properties of Malolactic Activity Purified from Leuconostoc oenos ML34 by Affinity Chromatography

Paolo Spettoli 1,*, Marco Paolo Nuti 1, Arturo Zamorani 1
PMCID: PMC241643  PMID: 16346657

Abstract

Malolactic activity from Leuconostoc oenos ML34 is tightly associated with lactic dehydrogenase. A simple and fast procedure, involving affinity chromatography on agarose-hexane-NAD (Agnad), was used to separate malolactic activity from lactic dehydrogenase and other proteins. The yield was ca. 86%, the purification was 5.2-fold, and the Km values for l-malate, NAD+ and Mn2+ were 2.8, 0.13, and 0.028 mM, respectively, at a pH optimum of 5.8.

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Selected References

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