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Figure 1.
Figure 1 (a) Cartoon diagram of HpA. The colouring scheme is
from blue (N-terminus) to red (C-terminus). The active-site
location is indicated by the bound L-Asp (shown in stick
representation). Secondary-structure elements were assigned with
DSSP (Kabsch & Sander, 1983[Kabsch, W. & Sander, C. (1983).
Biopolymers, 22, 2577-2637.]). (b) Cartoon representation of the
HpA tetramer. Each monomer is shown in a different colour. The
orientation of the blue-coloured monomer is the same as in (a).
The blue-salmon and green-magenta pairs correspond to intimate
dimers. L-Asp is depicted as a space-filling model. The same
structure after a 90° rotation is shown on the right. This
figure was created with PyMOL v.0.99 (DeLano Scientific, Palo
Alto, California, USA).
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