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Figure 3.
FIG. 3. a, stereo view of  -AgaA_CM (top) and -AgaB
(bottom) ribbon models. The calcium ion is displayed in purple,
located on the convex side of the protein. The figure was
produced with Molscript (44). b, electrostatic surface potential
of -AgaA_CM (left) and -AgaB
(right). Blue patches represent positive potential, red
represent negative potential, and white surface is neutral. The
number of subsites and their location within the molecule are
represented by numbers (-4 to +4). The aromatic residues
supposed to interact with the substrate are labeled at their
location on the protein. The figure was produced with GRASP (45).
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