PDBe 2c4l

X-ray diffraction
2.15Å resolution

STRUCTURE OF NEURAMINIDASE SUBTYPE N9 COMPLEXED WITH 30 MM SIALIC ACID (NANA, NEU5AC), CRYSTAL SOAKED FOR 24 HOURS AT 291 K AND FINALLY BACKSOAKED FOR 30 MIN IN A CRYOPROTECTANT SOLUTION WHICH DID NOT CONTAIN NEU5AC

Released:
Source organism: Influenza A virus
Entry authors: Rudino-Pinera E, Tunnah P, Crennell SJ, Webster RG, Laver WG, Garman EF

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 tetramer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Neuraminidase Chain: A
Molecule details ›
Chain: A
Length: 388 amino acids
Theoretical weight: 43.72 KDa
Source organism: Influenza A virus
Expression system: Gallus gallus
UniProt:
  • Canonical: P03472 (Residues: 83-470; Coverage: 83%)
Gene name: NA
Structure domains: Neuraminidase

Ligands and Environments


No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200H
Spacegroup: I432
Unit cell:
a: 181.178Å b: 181.178Å c: 181.178Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.157 0.155 0.196
Expression system: Gallus gallus