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・ N-acetylglucosaminyl-proteoglycan 4-beta-glucuronosyltransferase
・ 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


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N-acetyllactosaminide 3-alpha-galactosyltransferase : ウィキペディア英語版
N-acetyllactosaminide 3-alpha-galactosyltransferase

In enzymology, a N-acetyllactosaminide 3-alpha-galactosyltransferase () is an enzyme that catalyzes the chemical reaction
:UDP-galactose + beta-D-galactosyl-(1->4)-beta-N-acetyl-D-glucosaminyl-R \rightleftharpoons UDP + alpha-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-N- acetylglucosaminyl-R
Thus, the two substrates of this enzyme are UDP-galactose and beta-D-galactosyl-(1->4)-beta-N-acetyl-D-glucosaminyl-R, whereas its 3 products are UDP, alpha-D-galactosyl-(1->3)-beta-D-galactosyl-(1->4)-beta-N-, and acetylglucosaminyl-R.
This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-galactose:N-acetyllactosaminide 3-alpha-D-galactosyltransferase. Other names in common use include alpha-galactosyltransferase, UDP-Gal:beta-D-Gal(1,4)-D-GlcNAc alpha(1,3)-galactosyltransferase, UDP-Gal:N-acetyllactosaminide alpha(1,3)-galactosyltransferase, UDP-Gal:N-acetyllactosaminide alpha-1,3-D-galactosyltransferase, UDP-Gal:Galbeta1->4GlcNAc-R alpha1->3-galactosyltransferase, UDP-galactose-acetyllactosamine alpha-D-galactosyltransferase, UDPgalactose:beta-D-galactosyl-beta-1,4-N-acetyl-D-glucosaminyl-, glycopeptide alpha-1,3-D-galactosyltransferase, glucosaminylglycopeptide alpha-1,3-galactosyltransferase, uridine diphosphogalactose-acetyllactosamine, alpha1->3-galactosyltransferase, uridine diphosphogalactose-acetyllactosamine galactosyltransferase, uridine, diphosphogalactose-, galactosylacetylglucosaminylgalactosylglucosylceramide, galactosyltransferase, beta-D-galactosyl-N-acetylglucosaminylglycopeptide, and alpha-1,3-galactosyltransferase. This enzyme participates in 3 metabolic pathways: glycosphingolipid biosynthesis - lactoseries, glycosphingolipid biosynthesis - neo-lactoseries, and glycan structures - biosynthesis 2.
==Structural studies==

As of late 2007, 3 structures have been solved for this class of enzymes, with PDB accession codes , , and .

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