2co6

X-ray diffraction
2Å resolution

Salmonella enterica SafA pilin in complex with the SafB chaperone (Type I)

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-187380 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Saf-pilin pilus formation protein domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 125 amino acids
Theoretical weight: 13.14 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8ZRK4 (Residues: 47-170; Coverage: 86%)
Gene names: STM0299, safA
Sequence domains: Saf-pilin pilus formation protein
Structure domains: Dr adhesin
Fimbriae assembly chaparone Chain: B
Molecule details ›
Chain: B
Length: 221 amino acids
Theoretical weight: 24.02 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8ZRK3 (Residues: 17-237; Coverage: 93%)
Gene names: STM0300, safB
Sequence domains:
Structure domains: Immunoglobulins

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: C2
Unit cell:
a: 115.37Å b: 40.822Å c: 65.946Å
α: 90° β: 106.85° γ: 90°
R-values:
R R work R free
0.183 0.181 0.229
Expression system: Escherichia coli