Figure 9 - full size

 

Figure 9.
Figure 9. Schematic diagram showing the structures from the transimination portion of the aminotransferase reaction mechanism. The structures depicted are for (I) internal aldimine, (II) gem-diamine intermediate protonated at substrate N, (III) gem-diamine intermediate protonated at lysine NZ, and (IV) external aldimine.

The above figure is reprinted by permission from Elsevier: J Mol Biol (2001, 311, 761-776) copyright 2001.