X-ray diffraction
2.85Å resolution

Crystal Structure Analysis of the Middle Domain of the Caf1A Usher


Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
F1 capsule-anchoring protein Chains: A, B
Molecule details ›
Chains: A, B
Length: 90 amino acids
Theoretical weight: 9.78 KDa
Source organism: Yersinia pestis
Expression system: Escherichia coli
  • Canonical: P26949 (Residues: 252-341; Coverage: 11%)
Gene names: Y1099, YPMT1.83, YP_pMT083, caf1A
Structure domains: Immunoglobulin-like

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: C2221
Unit cell:
a: 29.985Å b: 111.966Å c: 115.141Å
α: 90° β: 90° γ: 90°
R R work R free
0.265 0.264 0.287
Expression system: Escherichia coli