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Figure 6.
FIGURE 6. Arrangements of the ligand-binding sites of FD1
and MBL. Top (A) and side (B) views of arrangements of the
ligand-binding sites on the FD1 trimer (magenta) and rat MBL
(Protein Data Bank code 1KWV (48); slate). His-284, located on
the predicted ligand-binding site in FD1, and the bound GlcNAc
in rat MBL are shown as green spheres. The three binding sites
of each trimer sit on the vertices of an equilateral triangle
with each side about 50 Å in length.
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