EC - Lipopolysaccharide N-acetylmannosaminouronosyltransferase

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IntEnz Enzyme Nomenclature


Accepted name:
lipopolysaccharide N-acetylmannosaminouronosyltransferase
Other names:
ManNAcA transferase
uridine diphosphoacetylmannosaminuronate-acetylglucosaminylpyrophosphorylundecaprenol acetylmannosaminuronosyltransferase
UDP-N-acetyl-β-D-mannosaminouronate:lipid I N-acetyl-β-D-mannosaminouronosyltransferase
Systematic name:
UDP-N-acetyl-α-D-mannosaminouronate:lipid I N-acetyl-β-D-mannosaminouronosyltransferase



Involved in the biosynthesis of common antigen in Enterobacteriaceae.

Links to other databases

Enzymes and pathways: NC-IUBMB , BRENDA , ExplorEnz , ENZYME@ExPASy , KEGG , MetaCyc , UniPathway
Structural data: CSA , EC2PDB
Gene Ontology: GO:0047241
CAS Registry Number: 113478-30-1
UniProtKB/Swiss-Prot: (62) [show] [UniProt]


  1. Barr, K., Ward, S., Meier-Dieter, U., Mayer, H. and Rick, P.D.
    Characterization of an Escherichia coli rff mutant defective in transfer of N-acetylmannosaminuronic acid (ManNAcA) from UDP-ManNAcA to a lipid-linked intermediate involved in enterobacterial common antigen synthesis.
    J. Bacteriol. 170: 228-233 (1988). [PMID: 3275612]

[EC created 1990, modified 2011]