Amine Oxidase from Lathyrus Cicera and Phaseolus Vulgaris: Purification and Properties

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Abstract
Cu-Amine oxidases (amine oxygen oxidoreductase deaminating, copper containing E.C. 1.4.3.6.) are found in all forms of life (1). They catalyze the following general reaction: Cu-amine oxidases (Cu-AOs) have been extracted from different leguminosae: Pisum sativum (2-3), Lathyrus sativus (4), Lens esculenta (5), Vicia faba (6), Cicer arietinum (7), Glycine max (8) but not from Phaseolus vulgaris. Palavan and Galston (9), in a study of polyamine biosynthesis during developmental stages of phaseolus vulgaris, did not detect diamine or polyamine oxidase activity in Phaseolus. The present paper describes the purification of Phaseolus vulgaris seedlings amine oxidase (PhSAO) and also compares the properties of this enzyme to the Lathyrus cicera enzyme (LcSAO), obtained with the same method of purification.