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. 2016 May 13;6(2):27. doi: 10.3390/biom6020027

Figure 6.

Figure 6

Alignment of two MRPP3 structures (PDB 4xgl, yellow; PDB 4rou, orange) with the AtPRORP1 active site (PDB 4g24, only metal ions shown) [66,69,107]. Left: Alignment of two MRPP3 structures with the PRORP1 active site (purple spheres). MRPP3 NYN residues (4xgl: S361/P362, D409, D479, and D499, or 4rou: residues S361/P362, D409, D478, and D479) were aligned to the equivalent PRORP1 residues. The dashed box is expanded on the right. Middle and Right panels: Dashed box contains the aligned MRPP3 active site residues from 4xgl (middle, yellow) or 4rou (right, orange) with Mn2+ from PRORP1 (transparent purple spheres). Residues with the potential to occlude the metal sites, N412, R445, and R498, are shown if coordinates are available. Hydrogen bonds between residues are shown as dashed red lines.