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.