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Arabinogalactan, also known as galactoarabinan, larch arabinogalactan, and larch gum, is a biopolymer consisting of arabinose and galactose monosaccharides. Two classes of arabinogalactans are found in nature: plant arabinogalactan and microbial arabinogalactan. In plants, it is a major component of many gums, including gum arabic and gum ghatti.
Arabinogalactan-proteins (AGPs) are highly glycosylated proteins (glycoproteins) found in the cell walls of plants. Each one consists of a protein with sugar molecules attached (which can account for more than 90% of the total mass).
Arabinogalactan is a biopolymer consisting of arabinose and galactose monosaccharides. It is a major component of many plant gums, including gum arabic. 8-5' Noncyclic diferulic acid has been identified as covalently linked to carbohydrate moieties of the arabinogalactan-protein fraction. [23]
Arabinose. An arabinosyltransferase is a transferase enzyme acting upon arabinose. [1] This enzyme is involved in polymerisation of arabinogalactan (an essential component of the mycobacterial cell wall).
Yariv reagent (1,3,5-tri(p-glycosyloxyphenylazo)-2,4,6-trihydroxybenzene) is a glycosylated phenolic compound that binds strongly to galactans and arabinogalactan proteins. [1] [2] [3] It can therefore be used in their detection, quantification, precipitation, isolation, staining, and interfere with their function.
Transfer of mycolic acids to arabinogalactan and other acceptors such as trehalose via the antigen 85 complex; The fatty acid synthase-I and fatty acid synthase-II pathways producing mycolic acids are linked by the beta-ketoacyl-(acyl-carrier-protein) synthase III enzyme, often designated as mtFabH. Novel inhibitors of this enzyme could ...
Arabinogalactan endo-β-1,4-galactanase (EC 3.2.1.89, endo-1,4-β-galactanase, galactanase, arabinogalactanase, ganB (gene)) is an enzyme with systematic name ...
Galactan endo-beta-1,3-galactanase (EC 3.2.1.181, endo-beta-1,3-galactanase) is an enzyme with systematic name arabinogalactan 3-beta-D-galactanohydrolase. [1] This enzyme catalyses the following chemical reaction. The enzyme specifically hydrolyses beta-1,3-galactan and beta-1,3-galactooligosaccharides