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Figure 2.
Figure 2 Electron density around the disulfide bond of the
C255T/Q397C variant of prolyl oligopeptidase. The SIGMAA (Read,
1986) weighted 2mF[o] - DF[c] electron density using phases from
the final model is contoured at 1  level,
where represents
the r.m.s. electron density for the unit cell. Contours >1.4 Å
from any of the displayed atoms have been removed for clarity.
The position of the Glu397 side chain of the wild-type enzyme is
also shown in thin lines. The picture was drawn with MolScript
(Kraulis, 1991; Esnouf, 1997).
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