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Soyasapogenol B glucuronide galactosyltransferase (EC 2.4.1.272, UDP-galactose:SBMG-galactosyltransferase, UGT73P2, GmSGT2 (gene), UDP-galactose:soyasapogenol B 3-O-glucuronide beta-D-galactosyltransferase) is an enzyme with systematic name UDP-alpha-D-galactose:soyasapogenol B 3-O-glucuronide beta-D-galactosyltransferase. [1]
The front of a U.S. Marine Corps birthday ball medallion Huguenot méreau used as a challenge coin during 17th century Protestant persecution in France. A challenge coin is a small coin or medallion, bearing an organization's insignia or emblem and carried by the organization's members. Traditionally, they might be given to prove membership ...
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Galactose-α-1,3-galactose, commonly known as alpha gal and the Galili antigen, is a carbohydrate found in most mammalian cell membranes. It is not found in catarrhines , [ 1 ] including humans, who have lost the glycoprotein alpha-1,3-galactosyltransferase ( GGTA1 ) gene.
Intermediates and enzymes in the Leloir pathway of galactose metabolism [5] In the first step, galactose mutarotase facilitates the conversion of β-D-galactose to α-D-galactose since this is the active form in the pathway. Next, α-D-galactose is phosphorylated by galactokinase to galactose 1-phosphate.
A segment of galactomannan showing mannose backbone (below) with a branching galactose unit (top) Galactomannans are polysaccharides consisting of a mannose backbone with galactose side groups, more specifically, a (1-4)-linked beta-D-mannopyranose backbone with branchpoints from their 6-positions linked to alpha-D-galactose, (i.e. 1-6-linked alpha-D-galactopyranose).
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This galactose molecule is called the H antigen. [28] [29] [30] Blood type A, B, AB, and O differ only in the sugar (red molecule in the illustration) linked with the penultimate galactose. For blood type B, this linked sugar is an α-1‐3‐linked galactose. Using α-GAL, this terminal galactose molecule can be removed, converting RBC to type O.