Figure 1
(a) XANES (E0 = 9660 eV), (b) k3-weighted EXAFS and (c) modulus of phase-corrected Fourier transform of four model compounds and two protein samples, viz. (top to bottom) Zn ethylxanthate (1); Zn dimethyldithiocarbamate (2); integrase with β-mercaptoethanol; integrase; [Zn(imidazole)4](ClO4)2 (3); Zn(imidazole)2(acetate)2 (4). |