X-ray diffraction
2.48Å resolution

Crystal structure of Sialic acid Binding protein from Haemophilus ducreyi with Neu5Gc


Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
SBP_bac_5 domain-containing protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 482 amino acids
Theoretical weight: 53.99 KDa
Source organism: [Haemophilus] ducreyi 35000HP
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q7VL18 (Residues: 44-525; Coverage: 92%)
Gene name: HD_1669
Sequence domains: Bacterial extracellular solute-binding proteins, family 5 Middle

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 4.2.2
Spacegroup: C2
Unit cell:
a: 134.413Å b: 70.125Å c: 113.081Å
α: 90° β: 114.24° γ: 90°
R R work R free
0.176 0.172 0.249
Expression system: Escherichia coli BL21(DE3)