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Figure 2.
Figure 2 Stereoview of the structures of the N23A mutant
superposed on the biotin complex of wild-type streptavidin. The
biotin-bound structure of N23A is shown in dark blue, the
unbound structure is in light blue and the wild-type structure
is in yellow. Figure drawn with MOLSCRIPT (Kraulis,
1991[Kraulis, P. J. (1991). J. Appl. Cryst. 24, 946-950.]) and
Raster3D (Merritt & Bacon, 1997[Merritt, E. A. & Bacon, D. J.
(1997). Methods Enzymol. 277, 505-524.]).
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