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Figure 3.
Fig. 3. Structure of fibronectin domains (24). (A) Stereoview
of the electron density map contoured around cis-Pro^236 (P236)
and the Cys^233 (C233) to Cys^259 (C259) disulfide bridge.
Sulfur atoms are yellow. (B) Ribbon representation showing the
secondary structure with the disulfide bridges. (C and D)
Molecular surface of the fibronectin domains show polar (green)
and hydrophobic (red) residues that bind to gelatin (19). The
orientation in (B) and (C) is the same, and the molecule in (D)
is rotated by 180°. F, Phe; L, Leu; W, Trp.
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