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. 2016 Mar 15;17(8):1223–1236. doi: 10.1111/mpp.12359

Figure 6.

Figure 6

The citrus DIOX protein (CsDIOX) is structurally related to Arabidopsis feruloyl‐CoA 6′‐hydroxylase 1 (F6′H1). (A) Superposition of the CsDIOX structural model (cyan) with the Arabidopsis AtF6′H1 crystal structure (sand), depicting the iron atom (yellow) and 2‐oxoglutarate (green) (PDB code 4XAE; Sun et al., 2015), showing that CsDIOX displays the same folding and topology as AtF6′H1. (B) All of the amino acid residues responsible for the binding of the iron atom (H234, D236, H292), 2‐oxoglutarate (N217, Y219, R302, S304) and feruloyl CoA (F150, S152, R213, N215, I237, F308) are structurally conserved in the CsDIOX model.