PDBe 1e8t

X-ray diffraction
2.5Å resolution

Structure of the multifunctional paramyxovirus hemagglutinin-neuraminidase


Function and Biology Details

Reaction catalysed:
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. 
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Hemagglutinin-neuraminidase Chains: A, B
Molecule details ›
Chains: A, B
Length: 454 amino acids
Theoretical weight: 49.86 KDa
Source organism: Newcastle disease virus (strain Kansas)
  • Canonical: Q9Q2W5 (Residues: 124-577; Coverage: 79%)
Gene name: HN
Structure domains: Neuraminidase

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG
Spacegroup: P212121
Unit cell:
a: 71.71Å b: 77.91Å c: 198.16Å
α: 90° β: 90° γ: 90°
R R work R free
0.222 0.222 0.276