KEGG   ENZYME: 4.2.2.15Help
Entry
EC 4.2.2.15                 Enzyme                                 

Name
anhydrosialidase;
anhydroneuraminidase;
sialglycoconjugate N-acylneuraminylhydrolase (2,7-cyclizing);
sialidase L
Class
Lyases;
Carbon-oxygen lyases;
Acting on polysaccharides
BRITE hierarchy
Sysname
glycoconjugate sialyl-lyase (2,7-cyclizing)
Reaction(IUBMB)
Elimination of alpha-sialyl groups in N-acetylneuraminic acid glycosides, releasing 2,7-anhydro-alpha-N-acetylneuraminate
Comment
Also acts on N-glycolylneuraminate glycosides. cf. EC 3.2.1.18 (exo-alpha-sialidase) and EC 3.2.1.129 (endo-alpha-sialidase).
History
EC 4.2.2.15 created 1992 as EC 3.2.1.138, transferred 2003 to EC 4.2.2.15
Reference
1  [PMID:2254319]
  Authors
Li YT, Nakagawa H, Ross SA, Hansson GC, Li SC.
  Title
A novel sialidase which releases 2,7-anhydro-alpha-N-acetylneuraminic acid from sialoglycoconjugates.
  Journal
J. Biol. Chem. 265 (1990) 21629-33.
  Organism
Macrobdella decora
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 
CAS: 
157857-11-9

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