Figure 8.
Fig. 8. Active center. Stereoview from the Rpb2 side toward the
clamp. Two metal ions are revealed in a [A]-weighted
mF[obs] DF[calc]
difference Fourier map (shown for metal B in green, contoured at
3.0 ) and in a
Mn2+ anomalous difference Fourier map (shown for metal A in
blue, contoured at 4.0 ). This
figure was prepared with BOBSCRIPT (85) and MOLSCRIPT (86).
The above figure is reprinted
by permission from the AAAs:
Science
(2001,
292,
1863-1876)
copyright 2001.
[A]-weighted
mF[obs] 
DF[calc]
difference Fourier map (shown for metal B in green, contoured at
3.0