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. 2012 Sep 27;7(9):e46279. doi: 10.1371/journal.pone.0046279

Figure 9. Binding modes of cofactors in the two representative structures.

Figure 9

Superimposed structures of (A) oxidized FAD and (B) NADP+ in both AtNTR_CC (blue) and AtNTR_AC (red) systems. Binding conformations of (C) oxidized FAD and (D) NADP+ in AtNTR_CC system. Binding modes of (E) oxidized FAD and (F) NADP+ in AtNTR_AC system. The cofactors are shown in sphere models and hydrogen bonding interactions of the cofactors are represented by dotted lines in black color and pi interactions by orange line.