2.3.1.129: acyl-[acyl-carrier-protein]-UDP-N-acetylglucosamine O-acyltransferase
This is an abbreviated version!
For detailed information about acyl-[acyl-carrier-protein]-UDP-N-acetylglucosamine O-acyltransferase, go to the full flat file.
Word Map on EC 2.3.1.129
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2.3.1.129
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udp-glcnac
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lipopolysaccharide
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left-handed
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acyl-acp
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endotoxin
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drug development
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beta-helix
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beta-helical
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homotrimer
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udp-3-o-r-3-hydroxymyristoyl-glcnac
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raetz
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medicine
- 2.3.1.129
- udp-glcnac
- lipopolysaccharide
-
left-handed
- acyl-acp
- endotoxin
- drug development
-
beta-helix
-
beta-helical
-
homotrimer
-
udp-3-o-r-3-hydroxymyristoyl-glcnac
-
raetz
- medicine
Reaction
Synonyms
acyltransferase, uridine diphosphoacetylglucosamine, LiLpxA, LpxA, type II ACP-dependent UDP-N-acetylglucosamine acyltransferase, type II acyl carrier protein-dependent UDP-N-acetylglucosamine acyltransferase, UDP-N-acetylglucosamine 3-O-acyltransferase, UDP-N-acetylglucosamine acyltransferase, uridine diphosphoacetylglucosamine acyltransferase
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Reaction
Reaction on EC 2.3.1.129 - acyl-[acyl-carrier-protein]-UDP-N-acetylglucosamine O-acyltransferase
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a (3R)-3-hydroxyacyl-[acyl-carrier protein] + UDP-N-acetyl-alpha-D-glucosamine = an [acyl-carrier protein] + a UDP-3-O-[(3R)-3-hydroxyacyl]-N-acetyl-alpha-D-glucosamine
a (3R)-3-hydroxyacyl-[acyl-carrier protein] + UDP-N-acetyl-alpha-D-glucosamine = an [acyl-carrier protein] + a UDP-3-O-[(3R)-3-hydroxyacyl]-N-acetyl-alpha-D-glucosamine
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a (3R)-3-hydroxyacyl-[acyl-carrier protein] + UDP-N-acetyl-alpha-D-glucosamine = an [acyl-carrier protein] + a UDP-3-O-[(3R)-3-hydroxyacyl]-N-acetyl-alpha-D-glucosamine
mechanism involving essential His125
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a (3R)-3-hydroxyacyl-[acyl-carrier protein] + UDP-N-acetyl-alpha-D-glucosamine = an [acyl-carrier protein] + a UDP-3-O-[(3R)-3-hydroxyacyl]-N-acetyl-alpha-D-glucosamine
reaction mechanism, acylation occurs via nucleophilic attack of deprotonated UDP-GlcNAc on the acyl donor in a general base-catalyzed mechanism involving a catalytic dyad of His125 and Asp126, His125, the general base, interacts with the 3'-hydroxyl group of UDP-GlcNAc to generate the nucleophile, the Asp126 side-chain accepts a hydrogen bond from His125 and helps orient the general base to participate in catalysis
a (3R)-3-hydroxyacyl-[acyl-carrier protein] + UDP-N-acetyl-alpha-D-glucosamine = an [acyl-carrier protein] + a UDP-3-O-[(3R)-3-hydroxyacyl]-N-acetyl-alpha-D-glucosamine
reaction mechanism, acylation occurs via nucleophilic attack of deprotonated UDP-GlcNAc on the acyl donor in a general base-catalyzed mechanism involving a catalytic dyad of His125 and Asp126, His125, the general base, interacts with the 3'-hydroxyl group of UDP-GlcNAc to generate the nucleophile, the Asp126 side-chain accepts a hydrogen bond from His125 and helps orientate the general base to participate in catalysis