Lactose Permease
complexed with thiodigalactoside |
Lactose Permease is produced by the lac Y gene, and transports the ß-galactoside into E. coli. This protein has 12 α-helices which
span the cell membrane. The ligand,
thiodigalactoside (TDG), is an analog of
lactose, and is shown in spacefill in the selections below.
Wire Frameee
Backbone
Backbone and sidechains
Cartoon showing hydrogen bonds
Cartoon and Wireframe
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