Title : l-Galactose replaces l-fucose in the pectic polysaccharide rhamnogalacturonan II synthesized by the l-fucose-deficient mur1 Arabidopsis mutant.

Pub. Date : 2004 May

PMID : 14991405






3 Functional Relationships(s)
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1 In mur1 RG-II a non-reducing terminal 2- O-methyl l-galactosyl residue and a 3,4-linked l-galactosyl residue replace the non-reducing terminal 2- O-methyl l-fucosyl residue and the 3,4-linked l-fucosyl residue, respectively, that are present in wild-type RG-II. galactosyl NAD(P)-binding Rossmann-fold superfamily protein Arabidopsis thaliana
2 In mur1 RG-II a non-reducing terminal 2- O-methyl l-galactosyl residue and a 3,4-linked l-galactosyl residue replace the non-reducing terminal 2- O-methyl l-fucosyl residue and the 3,4-linked l-fucosyl residue, respectively, that are present in wild-type RG-II. galactosyl NAD(P)-binding Rossmann-fold superfamily protein Arabidopsis thaliana
3 Furthermore, we found that a terminal non-reducing l-galactosyl residue, rather than the previously reported d-galactosyl residue, is present on the 2- O-methyl xylose-containing side chain of RG-II in both wild type and mur1 plants. galactosyl NAD(P)-binding Rossmann-fold superfamily protein Arabidopsis thaliana