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Figure 3.
Fig. 3. Structure of the prM-E protein. (A)Stereoview of the
prM-E heterodimer in ribbon representation. The pr peptide is
cyan, DI is red, DII is yellow, DIII is blue, and the fusion
loop is green. Secondary structural elements of the E protein
are labeled (7, 21). Secondary structural elements for the pr
peptide are defined here as a[pr], b[pr],
···, g[pr]. (B) Secondary structure of the
pr peptide. Disulfide linkages are indicated with dashed lines.
(C) Open-book view of the pr-E interactions showing charge
complementarity. Positively and negatively charged surfaces in
the contact areas are colored blue and red, respectively.
Charged residues in the contact area are labeled. The fusion
loop (residues 100 to 108) is outlined in green. Contact areas
are defined by atoms less than 4.5 Å apart between the pr
peptide and the E protein (21).
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