2mex

Solid-state NMR

Structure of the tetrameric building block of the Salmonella Typhimurium PrgI Type three secretion system needle

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo tetramer (preferred)
PDBe Complex ID:
PDB-CPX-154445 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
SPI-1 type 3 secretion system needle filament protein Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 80 amino acids
Theoretical weight: 8.86 KDa
Source organism: Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P41784 (Residues: 1-80; Coverage: 100%)
Gene names: STM2873, prgI, sctF1
Sequence domains: Type III secretion needle MxiH, YscF, SsaG, EprI, PscF, EscF

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

wwPDB Validation report is not available for this NMR entry.
Chemical shift assignment: 15%
Refinement method: simulated annealing
Expression system: Escherichia coli BL21(DE3)