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![[Figure 2]](ai5019fig2mag.jpg)
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Figure 2
Differences in the vicinity of the retention site (Vilela-Alves et al., 2026  ) between the SSX and cryo NvFdhAB (PDB entry 6sdr) structures in violet and black, respectively. In all representations, the W active site is shown in ball-and-stick representation; the W ion, sulfido group and Sec192 Se atom are shown as spheres (light blue, yellow and orange, respectively). 2mFo − DFc electron-density maps are shown as a blue mesh at 1.0 r.m.s.d. Hydrogen bonds and distances are shown as teal and black dashes, respectively. Distances are in Å. (a) Superposition of the SSX and cryo NvFdhAB (PDB entry 6sdr) structures. The seven water molecules are shown as spheres in red and burgundy, respectively, for the SSX and cryo structures. (b) The cryo NvFdhAB structure (PDB entry 6sdr). (c) The SSX NvFdhAB structure. |
![[Figure 2]](ai5019fig2.jpg)
 | STRUCTURAL BIOLOGY |
ISSN: 2059-7983
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