Skip to main content
. 1999 Mar;181(5):1388–1394. doi: 10.1128/jb.181.5.1388-1394.1999

TABLE 1.

External flagellar substructures and the proteins from which they are composed

Substructure Protein(s)
MS ring/rod junction? FliE
Proximal rod FlgB, FlgC, FlgF
Distal rod FlgG
Periplasmic P ring FlgI
Outer membrane L ring FlgH
Hook FlgE
Hook cap (scaffolding protein) FlgD
First hook-filament junction zone FlgK
Second hook-filament junction zone FlgL
Filament (helical propeller) FliC (flagellin)
Filament cap FliD