Figure 1.
Fig. 1. Stereoviews of FBPase active sites. A, complex of
Mg2+, F6P, and orthophosphate at pH 7 (control complex). B,
complex of Mg2+, K+/Zn2+, F6P, and metaphosphate at pH 7 (high
K+ complex). C, complex of Mg2+, F6P, and metaphosphate at pH
9.6 (high pH complex). Electron density (blue) covers
metaphosphate/hydroxide anions or orthophosphate at a contour
level of 3 , using a
cutoff radius of 1 Å. Anomalous difference density (red)
covers site M1 at a contour level of 3 , using a
cutoff radius of 1 Å. MOLSCRIPT (39) and RASTER3D (35)
were used for the illustration.
The above figure is reprinted
by permission from the ASBMB:
J Biol Chem
(2003,
278,
16015-16020)
copyright 2003.
, using a
cutoff radius of 1 Å. Anomalous difference density (red)
covers site M1 at a contour level of 3