The Enzyme Database

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EC 3.6.1.54     
Accepted name: UDP-2,3-diacylglucosamine diphosphatase
Reaction: UDP-2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosamine + H2O = 2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl ]-α-D-glucosaminyl 1-phosphate + UMP
For diagram of lipid IVA biosynthesis, click here
Glossary: tetradecanoyl = myristoyl
Other name(s): UDP-2,3-diacylglucosamine hydrolase; UDP-2,3-diacylglucosamine pyrophosphatase; ybbF (gene name); lpxH (gene name); UDP-2,3-bis[(3R)-3-hydroxymyristoyl]-α-D-glucosamine 2,3-bis[(3R)-3-hydroxymyristoyl]-β-D-glucosaminyl 1-phosphate phosphohydrolase (incorrect)
Systematic name: UDP-2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosamine 2-N,3-O-bis[(3R)-3-hydroxytetradecanoyl]-α-D-glucosaminyl 1-phosphate phosphohydrolase
Comments: The enzyme catalyses a step in the biosynthesis of lipid A.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Babinski, K.J., Ribeiro, A.A. and Raetz, C.R. The Escherichia coli gene encoding the UDP-2,3-diacylglucosamine pyrophosphatase of lipid A biosynthesis. J. Biol. Chem. 277 (2002) 25937–25946. [PMID: 12000770]
2.  Babinski, K.J., Kanjilal, S.J. and Raetz, C.R. Accumulation of the lipid A precursor UDP-2,3-diacylglucosamine in an Escherichia coli mutant lacking the lpxH gene. J. Biol. Chem. 277 (2002) 25947–25956. [PMID: 12000771]
[EC 3.6.1.54 created 2010]
 
 


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