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Anhydrosialidase

Definition:

EC Tree > 4 Lyases > 4.2 Carbon-oxygen lyases > 4.2.2 Acting on polysaccharides > 4.2.2.15 anhydrosialidase
Anhydrosialidase is a glycoside-cleaving lyase that eliminates alpha-sialyl groups from N-acetylneuraminic-acid glycosides, releasing 2,7-anhydro-alpha-N-acetylneuraminate; it also acts on N-glycolylneuraminate glycosides. It is compared with EC 3.2.1.18 (exo-alpha-sialidase) and EC 3.2.1.129 (endo-alpha-sialidase). It is found in Eukaryota and Bacteria. Structurally it is an anhydro-sialidase.

References:

[1]. Chou M.Y., et al. Purification and characterization of sialidase L, a NeuAc alpha(2-3)Gal-specific sialidase (1994), J. Biol. Chem. , 269, 18821-18826.

[2]. Takahashi N., et al. Enzymatic sialylation of N-linked oligosaccharides using an alpha-(2,3)-specific trans-sialidase from Trypanosoma cruzi: structural identification using a three-dimensional elution mapping technique (1995), Anal. Biochem. , 230, 333-342.

[3]. Lee C.Y., et al. Enzymatic synthesis of ascorbic acid fructoside by transfructosylation using levan fructotransferase (2006), J. Microbiol. Biotechnol. , 16, 64-67.

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