(GenBank) TonB protein; energy transducer; uptake of iron, cyanocobalimin; sensitivity to phages, colicins, subunit of TonB energy transducing system, vitamin B12 outer membrane transport complex, vitamin B12 transport system, Outer Membrane Ferric Enterobactin Transport System, Ferric Enterobactin Transport System, Outer Membrane Ferrichrome Transport System, ferrichrome uptake system, Outer Membrane Ferric Citrate Transport System and ferric dicitrate uptake system