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Figure 3.
Figure 3. Stereo images of the site of mutation of the
least-squares fit between the double mutant,
bnHis102→Ala-bsTyr29→Phe, and pseudo wild-type structure. In
the pseudo wild-type structure, barnase is coloured white and
barstar yellow; the double mutant is coloured black. Additional
water molecules, observed in the double mutant, which fill the
site of mutation are also shown. (a) The AD complex. Four
additional water molecules fill the created pocket. (b) The BE
complex. Residues which pack against loop 2bs from a symmetry
related chain, A′, are shown in black. The Figures were drawn
with Bobscript [Esnouf 1997 and Kraulis 1991].
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