EMDB EMD-20046

Helical reconstruction
3.7Å resolution

Structure of Salmonella type III secretion system needle filament

Map released:
Overview of EMD-20046
Source organism: Salmonella typhimurium (strain SL1344) [216597]
Fitted atomic model: 6ofh
Related EM entries by publication: EMD-20043, EMD-20044, EMD-20045
Primary publication:
A polymorphic helix of a Salmonella needle protein relays signals defining distinct steps in type III secretion.
Guo EZ, Desrosiers DC, Zalesak J, Tolchard J, Berbon M, Habenstein B, Marlovits T, Loquet A, Galan JE
Plos Biol. 17 e3000351-e3000351 (2019)
PMID: 31260457

Function and Biology Details

Sample name: filament structure of PrgI needle attached to the base
Proteins: filament structure of PrgI needle attached to the base, Protein PrgI

Experimental Information Details

Resolution: 3.7Å
Resolution method: FSC 0.143 CUT-OFF
Microscope: FEI TITAN KRIOS
Detector: GATAN K2 SUMMIT (4k x 4k)