Ontology Term : Pfam:PF04669 Polysaccharide biosynthesis EMBL-EBI

Description  This family of proteins plays a role in xylan biosynthesis in plant cell walls. IRX15/IRX15-L precise role in xylan biosynthesis is unknown [1,2]. Glucuronoxylan methyltransferase (GXMT) catalyzes 4-O-methylation of the glucuronic acid substituents of this polysaccharide. AtGXMT1 specifically transfers the methyl group from S-adenosyl-l-methionine to O-4 of alpha-d-glucopyranosyluronic acid residues that are linked to O-2 of the xylan backbone [3]. The function of members of this family in animals and fungi is not known.
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56 Data Sets

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1 Ontology

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