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Figure 2.
Figure 2. A stereoscopic view of the two positions of the
mobile W131 loop observed in GM2-AP3. The stick models are
color-coded blue for monomer A with the loop in the exposed
position, and magenta for monomer C with the loop folded in
making contact with hydrophobic residues (shown in yellow). The
broken line indicates the invariant hydrogen bond between the
carbonyl oxygen atom of T133 and the OH group of Y137, and the
arrow points at the C^a-CO bond of T133, serving as a flexible
hinge with the C-terminal T134 fixed. The Figure was generated
with DINO.
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