YbgF
From Proteopedia
YbgF is a periplasmic protein which interacts with the C-terminal domain of TolA (TolAIII) during the import of colicin A into the cytoplasm. [1]
References
Proteopedia Page Contributors and Editors (what is this?)
Laura McCauley, Michal Harel, Joel L. Sussman, Alexander Berchansky