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X-ray diffraction
1.9Å resolution

Structure of the Salmonella Virulence Effector SptP in Complex with its Secretion Chaperone SicP

Released:
Model geometry
Fit model/data
Data not deposited

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero hexamer (preferred)
PDBe Complex ID:
PDB-CPX-143524 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Chaperone protein SicP Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 130 amino acids
Theoretical weight: 14.46 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P0CL16 (Residues: 1-116; Coverage: 100%)
Gene names: STM2879, sicP
Sequence domains: Tir chaperone protein (CesT) family
Structure domains: Yope Regulator; Chain: A,
Secreted effector protein SptP Chains: E, F
Molecule details ›
Chains: E, F
Length: 105 amino acids
Theoretical weight: 11.97 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: P74873 (Residues: 35-139; Coverage: 19%)
Gene names: STM2878, sptP
Sequence domains: SicP binding
Structure domains: non globular Virulence effector SptP domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this entry.
X-ray source: CHESS BEAMLINE F1
Spacegroup: C2
Unit cell:
a: 167.489Å b: 49.582Å c: 138.142Å
α: 90° β: 121.95° γ: 90°
R-values:
R R work R free
0.226 0.224 0.258
Expression system: Escherichia coli BL21