TolB
TolB is a 44-kDa periplasmic protein associated with the outer membrane. It has two domains; an N-terminal α/β domain and a C-terminal six-bladed β-propeller (to which Pal and ColE9 bind).
TolB is a 44-kDa periplasmic protein associated with the outer membrane. It has two domains; an N-terminal α/β domain and a C-terminal six-bladed β-propeller (to which Pal and ColE9 bind).