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. 2021 Jun 5;297(1):100857. doi: 10.1016/j.jbc.2021.100857

Figure 2.

Figure 2

Visualization of the π-stacked tryptophan dimer. (A and B) W-W pair in WT OxDC. (C and D) W-F pair in W96F. (E and F) W-Y pair in the W97Y mutant enzyme. The two different viewpoints illustrate the ring systems (left) and the almost parallel aromatic planes in π-stacking mode (right). The C-terminal Mn (large sphere) is on the left and the N-terminal one on the right, both shown with their three HIS and one GLU ligands. W274 is therefore to the left and W(F,Y)96 on the right side in each panel.