Biology:Endo-alpha-sialidase

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Endo-α-sialidase
Identifiers
EC number3.2.1.129
CAS number91195-87-8
Databases
IntEnzIntEnz view
BRENDABRENDA entry
ExPASyNiceZyme view
KEGGKEGG entry
MetaCycmetabolic pathway
PRIAMprofile
PDB structuresRCSB PDB PDBe PDBsum

Endo-α-sialidase (EC 3.2.1.129, endo-N-acylneuraminidase, endoneuraminidase, endo-N-acetylneuraminidase, poly(α-2,8-sialosyl) endo-N-acetylneuraminidase, poly(α-2,8-sialoside) α-2,8-sialosylhydrolase, endosialidase, endo-N) is an enzyme with systematic name polysialoside (2→8)-α-sialosylhydrolase.[1][2][3][4][5][6][7] It catalyses the following chemical reaction:

Endohydrolysis of (2→8)-α-sialosyl linkages in oligo- or poly(sialic) acids

References

  1. "Cleavage of the polysialosyl units of brain glycoproteins by a bacteriophage endosialidase. Involvement of a long oligosaccharide segment in molecular interactions of polysialic acid". The Journal of Biological Chemistry 260 (2): 1265–70. January 1985. doi:10.1016/S0021-9258(20)71238-X. PMID 3968060. 
  2. "Purification and properties of a bacteriophage-induced endo-N-acetylneuraminidase specific for poly-α-2,8-sialosyl carbohydrate units". The Journal of Biological Chemistry 262 (8): 3553–61. March 1987. doi:10.1016/S0021-9258(18)61387-0. PMID 3546309. 
  3. "Use of a bacteriophage-derived endo-N-acetylneuraminidase and an equine antipolysialyl antibody to characterize the polysialyl residues in salmonid fish egg polysialoglycoproteins. Substrate and immunospecificity studies". The Journal of Biological Chemistry 263 (34): 18269–76. December 1988. doi:10.1016/S0021-9258(19)81355-8. PMID 3142874. 
  4. "Endo-N-acetylneuraminidase associated with bacteriophage particles". Journal of Virology 43 (2): 697–704. August 1982. doi:10.1128/JVI.43.2.697-704.1982. PMID 7109038. 
  5. "Common cleavage pattern of polysialic acid by bacteriophage endosialidases of different properties and origins". Journal of Virology 63 (10): 4409–16. October 1989. doi:10.1128/JVI.63.10.4409-4416.1989. PMID 2778882. 
  6. "Neuraminidase associated with coliphage E that specifically depolymerizes the Escherichia coli K1 capsular polysaccharide". Journal of Virology 55 (2): 374–8. August 1985. doi:10.1128/JVI.55.2.374-378.1985. PMID 3894684. 
  7. "Some questions and suggestions on the type references of the official nomenclature (IUB) for sialidase(s) and endosialidase". The Biochemical Journal 278 ( Pt 1) (Pt 1): 311–2. August 1991. doi:10.1042/bj2780311. PMID 1883340. 

External links