Multiple Forms of Endo-Polygalacturonase fromSaccharomyces fragilis

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Abstract
Three forms of endopolygalacturonase from Saccharomyces fragilis (Kluyveromyces fragilis) were separated by a procedure including adsorption on Amberlite IRC-50, CM Sephadex C-50 column chromatography and repeated preparative disc electrophoresis. Each endo-PG was almost homogenoeus as judged by polyacrylamide gel electrofocusing and disc electrophoresis. The three enzyme were designated as enzymes I, II and III. Enzymes I and II were similar but enzyme HI different from I and II in isoelectric point. The three enzymes resembled one another in eznyme action on pectic acid and other properties. All the three enzymes showed macerating activity toward the potato and carrot tissues.

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