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Figure 2.
FIGURE 2. The structure of HFBII in space group P2[1]. a,
representative electron density of a detergent molecule (red)
and the protein (blue). b, the packing of molecules in the
asymmetric unit resembles the shape of a horseshoe. c, the
formation of a layer structure with alternating hydrophobic and
hydrophilic parts is produced by crystal packing (hydrophobic
surface areas in red). d, ring-like packing occurs perpendicular
to layers.
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