6er4

X-ray diffraction
1.3Å resolution

Ruminococcus gnavus IT-sialidase CBM40 bound to alpha2,6 sialyllactose

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-108236 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
exo-alpha-sialidase Chains: A, B
Molecule details ›
Chains: A, B
Length: 194 amino acids
Theoretical weight: 20.94 KDa
Source organism: [Ruminococcus] gnavus ATCC 29149
Expression system: Escherichia coli
UniProt:
  • Canonical: A7B557 (Residues: 50-237; Coverage: 27%)
Gene name: RUMGNA_02694
Sequence domains: Sialidase, N-terminal domain
Structure domains: Jelly Rolls

Ligands and Environments

Carbohydrate polymer : NEW Components: BGC, GAL, SIA
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU MICROMAX-007 HF
Spacegroup: P21
Unit cell:
a: 48.74Å b: 72.2Å c: 51.41Å
α: 90° β: 103.88° γ: 90°
R-values:
R R work R free
0.11 0.108 0.134
Expression system: Escherichia coli