The Enzyme Database

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EC 4.2.2.15     
Accepted name: anhydrosialidase
Reaction: Elimination of α-sialyl groups in N-acetylneuraminic acid glycosides, releasing 2,7-anhydro-α-N-acetylneuraminate
For diagram of reaction, click here
Other name(s): anhydroneuraminidase; sialglycoconjugate N-acylneuraminylhydrolase (2,7-cyclizing); sialidase L
Systematic name: glycoconjugate sialyl-lyase (2,7-cyclizing)
Comments: Also acts on N-glycolylneuraminate glycosides. cf. EC 3.2.1.18 (exo-α-sialidase) and EC 3.2.1.129 (endo-α-sialidase).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number: 157857-11-9
References:
1.  Li, Y.-T., Nakagawa, H., Ross, S.A., Hansson, G.C. and Li, S.C. A novel sialidase which releases 2,7-anhydro-α-N-acetylneuraminic acid from sialoglycoconjugates. J. Biol. Chem. 265 (1990) 21629–21633. [PMID: 2254319]
[EC 4.2.2.15 created 1992 as EC 3.2.1.138, transferred 2003 to EC 4.2.2.15]
 
 


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