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Acetylglucosamine
The N-acetyl derivative of glucosamine.
Year introduced: 1991(1975)
Receptors, N-Acetylglucosamine
Cell surface receptors that bind to ACETYLGLUCOSAMINE.
Year introduced: 2003
Uridine Diphosphate N-Acetylglucosamine
Serves as the biological precursor of insect chitin, of muramic acid in bacterial cell walls, and of sialic acids in mammalian glycoproteins.
Mucopolysaccharidosis III
Mucopolysaccharidosis characterized by heparitin sulfate in the urine, progressive mental retardation, mild dwarfism, and other skeletal disorders. There are four clinically indistinguishable but biochemically distinct forms, each due to a deficiency of a different enzyme.
Year introduced: 1992
N-Acetyllactosamine Synthase
The A protein of the lactose synthase complex. In the presence of the B protein (LACTALBUMIN) specificity is changed from N-acetylglucosamine to glucose. EC 2.4.1.90.
UDP-N-acetylglucosamine-lysosomal-enzyme-N-acetylglucosaminephosphotransferase [Supplementary Concept]
fibroblasts from patients with I-cell (mucolipidosis II) & pseudo-Hurler polydystrophy (mucolipidosis III) are deficient in above enzyme; for N-acetylglucosamine transferred to dolichyl phosphate see EC 2.7.8.15
Date introduced: June 19, 1981
UDPacetylglucosamine-dolichyl-phosphate acetylglucosamine-1-phosphate transferase [Supplementary Concept]
transfers N-acetylglucosamine 1-phosphate from UDP-N-acetylglucosamine to dolichyl phosphate, forming N-acetylglucosaminylpyrophosphoryldolichol
Date introduced: January 1, 1979
UDPacetylglucosamine pyrophosphorylase [Supplementary Concept]
forms UDP-N-acetylglucosamine from N-acetylglucosamine- 1-phosphate and UTP; also catalyzes acetylation of glucosamine-1-phosphate
Date introduced: January 1, 1974
N-Acetylglucosaminyltransferases
Enzymes that catalyze the transfer of N-acetylglucosamine from a nucleoside diphosphate N-acetylglucosamine to an acceptor molecule which is frequently another carbohydrate. EC 2.4.1.-.
Year introduced: 1993
UDP acetylglucosamine-2-epimerase [Supplementary Concept]
catalyzes the formation of N-acetylmannosamine & UDP from UDP N-acetylglucosamine; minor descriptor (75-82); online & Index Medicus search CARBOHYDRATE ISOMERASES (75-82); minor descriptor (75-82); file maintained to CARBOHYDRATE ISOMERASES
Date introduced: October 22, 1982
acyl-(acyl-carrier-protein)-UDP-N-acetylglucosamine acyltransferase [Supplementary Concept]
E coli enzyme involved in Lipid A biosynthesis; uses beta-hydroxymyristoyl-acyl carrier protein to form UDP-3-monoacyl-N-acetylglucosamine; see also hydroxydecanoyl-ACP-dependent UDP-GlcNAc acyltransferase; amino acid sequence given in second source
Date introduced: November 7, 1986
mannose-N-acetylglucosamine receptor [Supplementary Concept]
MW 180,000 high affinity lectin found in rat liver
Date introduced: August 23, 1982
N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase [Supplementary Concept]
NAGPA (EC 3.1.4.45), also known as the uncovering enzyme, is localized in the trans-Golgi network, where it removes a covering N-acetylglucosamine from the mannose 6-phosphate recognition marker on lysosomal acid hydrolases; RefSeq NM_016256 (human)
Date introduced: October 29, 1980
N-acetylglucosamine kinase [Supplementary Concept]
RefSeq NM_017567 (human)
Date introduced: January 1, 1970
mmy protein, Drosophila [Supplementary Concept]
a UDP-N-acetylglucosamine diphosphorylase that catalyzes the conversion of UTP and N-acetylglucosamine-1-phosphate to pyrophosphate and UDP-N-acetylglucosamine; involved in nervous system development
Date introduced: January 10, 2007
N-acetylglucosamine-phosphate mutase, Candida albicans [Supplementary Concept]
member of the alpha-D-phosphohexomutase superfamily; catalyzes the conversion of N-acetylglucosamine 6-phosphate into N-acetylglucosamine 1-phosphate
Date introduced: August 17, 2006
UDP-3-O-acyl-N-acetylglucosamine deacetylase [Supplementary Concept]
permeability and cell division gene product that catalyzes deacetylation in second enzymatic step of Lipid A biosynthesis; do not confuse with EnvA protein from Chlamydia psittaci
Date introduced: January 26, 1996
UDP-N-acetylglucosamine-peptide beta-N-acetylglucosaminyltransferase [Supplementary Concept]
responsible for the addition of O-linked N-acetylglucosamine to proteins
Date introduced: March 20, 1990
lipid A disaccharide synthase [Supplementary Concept]
UDP-diacyl-N-acetylglucosamine plus 2,3-diacyl-N-acetylglucosamine-1-phosphate yields 2',3'-diacyl-GlcN-(beta 1-6)-2,3-diacyl-GlcN-1-P plus UDP
UDP-N-acetylglucosamine-enolpyruvate [Supplementary Concept]
Date introduced: July 6, 1983