Studies on the glycosylation of wild-type and mutant forms of Aspergillus niger pectin methylesterase.

Abstract excerpt

Pectin methylesterase (PME) is one of a number of enzymes released by the fungus Aspergillus niger that are involved in the degradation of specific plant cell-wall structures. PME is a glycoprotein with three potential sites for N-linked glycosylation. The glycosylation may affect the hydrolytic activity or the substrate specificity of PME. In this work, we investigate first the structures and the attachment...

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