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・ N-acetylglucosaminyldiphosphodolichol N-acetylglucosaminyltransferase
・ N-acetylglucosaminyldiphosphoundecaprenol glucosyltransferase
・ N-acetylglucosaminyldiphosphoundecaprenol N-acetyl-beta-D-mannosaminyltransferase
・ N-acetylglucosaminylphosphatidylinositol deacetylase
・ N-acetylglucosaminyltransferase I
・ N-Acetylglutamate synthase
・ N-Acetylglutamate synthase deficiency
・ N-acetylglutamate synthetase
・ N-Acetylglutamic acid
・ N-Acetylglycinamide
・ N-acetylhexosamine 1-dehydrogenase
・ N-acetylhexosamine 1-kinase
・ N-Acetyllactosamine
・ N-acetyllactosamine synthase
・ N-acetyllactosaminide 3-alpha-galactosyltransferase
N-acetyllactosaminide alpha-2,3-sialyltransferase
・ N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase
・ N-acetyllactosaminide beta-1,6-N-acetylglucosaminyl-transferase
・ N-Acetylmannosamine
・ N-Acetylmescaline
・ N-Acetylmuramic acid
・ N-acetylmuramic acid 6-phosphate etherase
・ N-acetylmuramoyl-L-alanine amidase
・ N-acetylneuraminate 4-O-acetyltransferase
・ N-acetylneuraminate 7-O(or 9-O)-acetyltransferase
・ N-acetylneuraminate epimerase
・ N-acetylneuraminate lyase
・ N-acetylneuraminate synthase
・ N-Acetylneuraminic acid
・ N-acetylneuraminylgalactosylglucosylceramide b-1,4-N-acetylgalactosaminyltransferase


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N-acetyllactosaminide alpha-2,3-sialyltransferase : ウィキペディア英語版
N-acetyllactosaminide alpha-2,3-sialyltransferase

In enzymology, a N-acetyllactosaminide alpha-2,3-sialyltransferase () is an enzyme that catalyzes the chemical reaction
:CMP-N-acetylneuraminate + beta-D-galactosyl-1,4-N-acetyl-D-glucosaminyl-glycoprotein \rightleftharpoons CMP + alpha-N-acetylneuraminyl-2,3-beta-D-galactosyl-1,4-N-acetyl-D- glucosaminyl-glycoprotein
Thus, the two substrates of this enzyme are CMP-N-acetylneuraminate and beta-D-galactosyl-1,4-N-acetyl-D-glucosaminyl-glycoprotein, whereas its 3 products are CMP, alpha-N-acetylneuraminyl-2,3-beta-D-galactosyl-1,4-N-acetyl-D-, and glucosaminyl-glycoprotein.
This enzyme belongs to the family of transferases, specifically those glycosyltransferases that do not transfer hexosyl or pentosyl groups. The systematic name of this enzyme class is CMP-N-acetylneuraminate:beta-D-galactosyl-1,4-N-acetyl-D-glucosaminy l-glycoprotein alpha-2,3-N-acetylneuraminyltransferase. Other names in common use include sialyltransferase, cytidine, monophosphoacetylneuraminate-beta-galactosyl(1-, >4)acetylglucosaminide alpha2->3-sialyltransferase, alpha2->3 sialyltransferase, and SiaT. This enzyme participates in 4 metabolic pathways: keratan sulfate biosynthesis, glycosphingolipid biosynthesis - lactoseries, glycan structures - biosynthesis 1, and glycan structures - biosynthesis 2.
==Structural studies==

As of late 2007, two structures have been solved for this class of enzymes, with PDB accession codes and .

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