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Figure 3.
Figure 3. Ribbon representation of the BALC PSAT dimer. The
two monomers are depicted in yellow and in blue, respectively.
Ligands included in the final model (PLP, PEG, HEPES, glycerol)
are shown in ball-and-sticks. Mg2+ ions are shown as gray
spheres and Cl- ions as pink spheres. (A) View along the twofold
noncrystallographic axis. The active site clefts are shown with
arrows. (B) BALC PSAT dimer after 90° rotation. The twofold axis
in this orientation is vertical and lying within the plane of
the figure. The figure was produced using MOLSCRIPT (Kraulis
1991) and Raster3D (Merritt and Murphy 1994).
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