X-ray diffraction
1.49Å resolution

Crystal structure of Sialic acid Binding protein from Haemophilus ducreyi with Neu5Ac

Entry authors: Subramanian R, Setty TG

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 Chain: A
Molecule details ›
Chain: A
Length: 485 amino acids
Theoretical weight: 54.07 KDa
Source organism: [Haemophilus] ducreyi 35000HP
Expression system: Escherichia coli BL21(DE3)
  • Canonical: Q7VL18 (Residues: 41-525; Coverage: 92%)
Gene name: HD_1669
Sequence domains: Bacterial extracellular solute-binding proteins, family 5 Middle

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 17-ID
Spacegroup: P212121
Unit cell:
a: 73.368Å b: 89.63Å c: 90.787Å
α: 90° β: 90° γ: 90°
R R work R free
0.17 0.169 0.194
Expression system: Escherichia coli BL21(DE3)