Fig. 6: Crystal structure analysis of PaD-S6.
From: Substrate specificity of a branch of aromatic dioxygenases determined by three distinct motifs
a The overall structure and substrate-binding site view of PaD-S6 complex (PDB: 8Z4S). Loops 1-3 are marked in gold. The cleavage-site of PaD toward S6 and the generated product is shown at the top of the PaD-S6 structure complex, which was proposed based on the structure and mass spectroscopy analysis. The electron density 2Fo-Fc maps of the bound hydroquinone S6 in PaD are shown with a gray-colored mesh, and contoured at 1 σ. b The comparison of the spatial distances from the bound hydroquinone to key amino acids in the PaD-4 and PaD-S6 structure complexes.
