Atomic-resolution structures of three other bacterial importers, E. coli BtuCD, E. coli maltose transporter (MalFGK2-E), and the putative metal-chelate transporter of Haemophilus influenza, HI1470/1, have also been determined.
Strukture atomske-rezolucije tri druga bakterijska importera, E. coli BtuCD, E. coli maltoznog transportera (MalFGK2-E), i mogućeg metal-helatnog transportera Haemophilus influenza, HI1470/1, su takođe određene.