Identification of glycosyltransferases that synthesize pectin heteroglycan block polymers and a structural motif required for their activity
Pectin is a family of plant cell wall complex polysaccharides and proteoglycans comprised of the glycan domains homogalacturonan (HG), rhamnogalacturonan I (RG-I), and the substituted HGs rhamnogalacturonan II (RG-II), xylogalacturonan and apiogalacturonan. The number, type, and arrangement of the pectic domains in different pectic polymers are unknown, as is the identity of the enzymes that link…
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