1887

Abstract

Summary: The alginate depolymerase associated with bacteriophage infection of has been used in the analysis of sodium alginate. The enzyme degraded the polysaccharide to a series of oligouronides each containing a terminal 4-deoxy-α---hex-4-enopyranuronosyl residue. Analysis of these oligouronides, together with kinetic information, indicated that the enzyme was specific for mannuronic acid-containing regions of the polyuronide. The specificity of the enzyme made it possible to determine the primary structure of the macromolecule.

The phage-induced enzyme was shown to be distinct from the alginate lyase elaborated by the host organisms by its pH optimum, molecular weight, Michaelis constant and stability.

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/content/journal/micro/10.1099/00221287-98-1-223
1977-01-01
2021-10-15
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