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Figure 4.
Figure 4. Stereo diagram from the active site of the E. coli
GTP cyclohydrolase I His113Ser mutant in complex with the
substrate GTP. The GTP molecule (shown as a transparent wire
model representation) is embedded in a large hydrogen bond
network (broken lines) within the active site. Amino acid
residues are shown as ball-and-stick models coloured according
to the subunit to which they belong: A, red; B, blue; and D,
green. The Figure was created using MOLSCRIPT[39.] and Raster3D.
[40.]
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