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L-rhamnosyltransferase This model subfamily is comprised of gamma proteobacteria whose proteins function as L-rhamnosyltransferases in the synthesis of their respective surface polysaccharides. Rhamnolipids are glycolipids containing mono- or di- L-rhamnose molecules. Rhamnolipid synthesis occurs by sequential glycosyltransferase reactions involving two distinct rhamnosyltransferase enzymes. In P.aeruginosa, the synthesis of mono-rhamnolipids is catalyzed by rhamnosyltransferase 1, and proceeds by a glycosyltransfer reaction catalyzed by rhamnosyltransferase 2 to yield di-rhamnolipids. [Cell envelope, Biosynthesis and degradation of surface polysaccharides and lipopolysaccharides] |
Jiyao W et al.(2023). "The conserved domain database in 2023.",