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Representation of the structure of Im7H3M3, drawn from the coordinates of 2K0D. The structure of wild-type Im7 (1AYI)10 is shown in light grey for comparison. Helices are coloured as follows: helix I, blue; helix II, red; helix III, purple; helix IV, yellow. The positions of His47 (black) and Trp75 (yellow) in Im7H3M3 are shown, with their equivalents in Im7 shown in grey. This figure was drawn using Chimera.42
