Figure 1 - full size

 

Figure 1.
Figure 1. A ribbon representation of three-dimensional structure of duodenase with catalytic triad His57, Asp102, and Ser195 shown in red and disulfide bonds between residues 42:58, 136:201, and 168:182 in brown. -strands (blue) and helices (magenta) are shown by arrow and helix representation, respectively.

The above figure is reprinted by permission from John Wiley & Sons, Inc.: Proteins (2000, 41, 8-0) copyright 2000.