CATH Classification

Domain Context

CATH Clusters

Superfamily 2.120.10.10
Functional Family Hemagglutinin-neuraminidase

Enzyme Information

3.2.1.18
Exo-alpha-sialidase.
based on mapping to UniProt P12554
Hydrolysis of alpha-(2->3)-, alpha-(2->6)-, alpha-(2->8)- glycosidic linkages of terminal sialic acid residues in oligosaccharides, glycoproteins, glycolipids, colominic acid and synthetic substrates.
-!- The enzyme does not act on 4-O-acetylated sialic acids. -!- An endo-alpha-sialidase activity is listed as EC 3.2.1.129. -!- See also EC 4.2.2.15.

UniProtKB Entries (1)

P12554
HN_NDVA
Newcastle disease virus (STRAIN AUSTRALIA-VICTORIA/32)
Hemagglutinin-neuraminidase

PDB Structure

PDB 3T1E
External Links
Method X-RAY DIFFRACTION
Organism
Primary Citation
Structure of the Newcastle disease virus hemagglutinin-neuraminidase (HN) ectodomain reveals a four-helix bundle stalk.
Yuan, P., Swanson, K.A., Leser, G.P., Paterson, R.G., Lamb, R.A., Jardetzky, T.S.
Proc.Natl.Acad.Sci.USA