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Figure 2
Enzymatic reaction of TrpAB. For TrpB, intermediate steps are shown (EA,int, internal aldimine; EGD1, geminal diamine; EA,ex1, external aldimine; EQ1, quinonoid; EAA, aminoacrylate; EQ2, quinonoid; EA,ex2, external aldimine; EGD2, geminal diamine).

IUCrJ
Volume 6| Part 4| July 2019| Pages 649-664
ISSN: 2052-2525
https://doi.org/10.1107/S2052252519005955