Figure 4 - full size

 

Figure 4.
Fig. 4. Proposed reaction intermediates of AnCE (A) and thermolysin (B). His337 and His497 of AnCE are located close to Tyr507 and may have an effect on catalysis. The scissile peptide bonds are marked with curved red lines.

The above figure is reprinted by permission from the Federation of European Biochemical Societies: FEBS Lett (2003, 538, 65-70) copyright 2003.