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{{Infobox enzyme
| Name = N-acetylneuraminate epimerase
| EC_number = 5.1.3.24
| CAS_number = 
| IUBMB_EC_number = 5/1/3/24
| GO_code = 
| image = 
| width = 
| caption =
}}
'''N-acetylneuraminate epimerase''' ({{EC number|5.1.3.24}}, ''sialic acid epimerase'', ''N-acetylneuraminate mutarotase'', ''YjhT'') is an [[enzyme]] with system name ''N-acetyl-alpha-neuraminate 2-epimerase''.<ref>{{cite journal | title = Sialic acid mutarotation is catalyzed by the <em>Escherichia coli</em> &beta;-propeller protein YjhT |author = Severi, E., M&uuml;ller, A., Potts, J.R., Leech, A., Williamson, D., Wilson, K.S. and Thomas, G.H. |journal = J. Biol. Chem. |date = 2008 |volume = 283 |pages = 4841-4849 |pmid = 18063573 |doi=10.1074/jbc.M707822200}}</ref> This enzyme [[catalysis|catalyses]] the following [[chemical reaction]]

: N-acetyl-alpha-neuraminate <math>\rightleftharpoons</math> N-acetyl-beta-neuraminate

Sialoglycoconjugates present in vertebrates are linked exclusively by alpha-linkages.

== References ==
{{reflist}}

== External links ==
* {{MeshName|N-acetylneuraminate+epimerase}}

[[Category:EC 5.1.3]]