The Enzyme Database

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Accepted name: polysialic-acid O-acetyltransferase
Reaction: acetyl-CoA + an α-2,8-linked polymer of sialic acid = CoA + polysialic acid acetylated at O-7 or O-9
Systematic name: acetyl-CoA:polysialic-acid O-acetyltransferase
Comments: Acts only on substrates containing more than 14 sialosyl residues. Catalyses the modification of capsular polysaccharides in some strains of Escherichia coli.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 116412-21-6
1.  Higa, H.H. and Varki, A. Acetyl-coenzyme A:polysialic acid O-acetyltransferase from K1-positive Escherichia coli. The enzyme responsible for the O-acetyl plus phenotype and for O-acetyl form variation. J. Biol. Chem. 263 (1988) 8872–8878. [PMID: 2897964]
[EC created 1992]

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