PDBe 3sil

X-ray diffraction
1.05Å resolution

SIALIDASE FROM SALMONELLA TYPHIMURIUM

Released:
Entry authors: Garman EF, Sheldrick GM

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. 
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Sialidase Chain: A
Molecule details ›
Chain: A
Length: 379 amino acids
Theoretical weight: 41.79 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli
UniProt:
  • Canonical: P29768 (Residues: 4-382; Coverage: 99%)
Gene names: STM0928, nanH
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 BEAMLINE BW7B
Spacegroup: P212121
Unit cell:
a: 47.1Å b: 81.73Å c: 91.5Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.116 not available 0.147
Expression system: Escherichia coli