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Figure 4.
Figure 4. Close-up stereoview of the active site region of PPE.
The refined structure of the xenon complex is superposed on a
2.2 å resolution (F[Xe]-F[nat]) difference-Fourier map.
The map is contoured at the 10σ (blue) and at the 20σ (red)
levels (where σ is the rms of the whole map density). The
single spherical peak (with maximum density of 31σ) corresponds
to a xenon atom bound into the active site. Also displayed
(pink) are the side chains of the residues belonging to the
catalytic triad. Figure 4. Close-up stereoview of the active
site region of PPE. The refined structure of the xenon complex
is superposed on a 2.2 å resolution (F[Xe]-F[nat])
difference-Fourier map. The map is contoured at the 10σ (blue)
and at the 20σ (red) levels (where σ is the rms of the whole
map density). The single spherical peak (with maximum density of
31σ) corresponds to a xenon atom bound into the active site.
Also displayed (pink) are the side chains of the residues
belonging to the catalytic triad.
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