3-deoxy-manno-octulosonate cytidylyltransferase

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3-deoxy-manno-octulosonate cytidylyltransferase
Identifiers
EC no. 2.7.7.38
CAS no. 37278-28-7
Databases
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BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO
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In enzymology, a 3-deoxy-manno-octulosonate cytidylyltransferase (EC 2.7.7.38) is an enzyme that catalyzes the chemical reaction

CTP + 3-deoxy-D-manno-octulosonate diphosphate + CMP-3-deoxy-D-manno-octulosonate

Thus, the two substrates of this enzyme are CTP and 3-deoxy-D-manno-octulosonate, whereas its two products are diphosphate and CMP-3-deoxy-D-manno-octulosonate.

This enzyme belongs to the family of transferases, specifically those transferring phosphorus-containing nucleotide groups (nucleotidyltransferases). The systematic name of this enzyme class is CTP:3-deoxy-D-manno-octulosonate cytidylyltransferase. Other names in common use include CMP-3-deoxy-D-manno-octulosonate pyrophosphorylase, 2-keto-3-deoxyoctonate cytidylyltransferase, 3-Deoxy-D-manno-octulosonate cytidylyltransferase, CMP-3-deoxy-D-manno-octulosonate synthetase, CMP-KDO synthetase, CTP:CMP-3-deoxy-D-manno-octulosonate cytidylyltransferase, and cytidine monophospho-3-deoxy-D-manno-octulosonate pyrophosphorylase. This enzyme participates in lipopolysaccharide biosynthesis.

Structural studies

As of late 2007, 11 structures have been solved for this class of enzymes, with PDB accession codes 1GQ9, 1GQC, 1H6J, 1H7E, 1H7F, 1H7G, 1H7H, 1H7T, 1VH1, 1VH3, and 1VIC.

Related Research Articles

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References


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