Abstract:Plant cell wall polysaccharides are the largest source of biopolymers on Earth and have numerous industrial applications such as food, fiber, biofuels and biomaterials. However, development is impeded because of the dearth of structural information for plant glycosyltransferases, the key enzymes responsible for polysaccharide biosynthesis. A set of specific transmembrane proteins synthesizes the most abundant hemicellulosic polysaccharide, xyloglucan. Two Xyloglucan Xylosyltransferases 1 and 5 (XXT1 and XXT5, … Show more
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