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Updated: Aug 8, 2026

Fluorescent Immunolocalization of Arabinogalactan Proteins and Pectins in the Cell Wall of Plant Tissues
Published on: February 27, 2021
Polyproline II Confirmation in the Protein Component of Arabinogalactan-Protein from Lolium multiflorum
1Plant Biology Program, Department of Biology, Washington University, St. Louis, Missouri 63130.
Abstract:
Circular dichroism spectra of the arabinogalactan-protein from suspension-cultured Lolium multiflorum (ryegrass) endosperm cells demonstrate the presence of polyproline II conformation in the protein moiety of the proteoglycan. Subject to a number of theoretical and practical constraints of the method, it can be estimated that at least 30% of the protein component is in this conformation.
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