High-resolution filamentous structures of in vitro polymerized PrgI needle

A polymorphic helix of a Salmonella needle protein relays signals defining distinct steps in type III secretion.

Salmonella enterica subsp. enterica serovar Typhimurium str. LT2

GSHMATPWSGYLDDVSAKFDTGVDNLQTQVTEALDKLAAKPSDPALLAAYQSKLSEYNLYRNAQSNTVKVFKDIDAAIIQ
NFR

National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

helical reconstruction, Salmonella, Type III secretion system, PROTEIN TRANSPORT