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. 2013 Sep 3;288(41):29736–29745. doi: 10.1074/jbc.M113.497453

FIGURE 4.

FIGURE 4.

Molybdenum K-edge (XANES) spectra. The asterisk marks the pre-edge features shown in the magnification in the inset, after subtraction of the main edge slope. Spectra were vertically displaced for comparison. All protein samples contained Mo-MPT from hSO. Vertical dashes in the inset denote the pre-edge energy for the molybdate ion. Protein spectra are compared with the following reference compounds. MoO4, [MoVIO4]2− ion in 5 mm aqueous solution (pH 7.5); MoS4O model, a synthetic bis-dithiolene complex containing Mo(IV) (see Ref. 45); MoS6, Mo(IV) in solid MoS2.