 | Acta Crystallographica Section D Acta Crystallographica Section D BIOLOGICAL CRYSTALLOGRAPHY |
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![[Figure 1]](mh5098fig1mag.jpg)
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Figure 1
Crystal structures of TtFbpA. Stereoview of the overall structures of (a) apo TtFbpA and (b) Fe3+–bicarbonates–TtFbpA. The molecule is shown in rainbow colours from the N-terminus (blue) to the C-terminus (red). α, β and η represent α-helices, β-strands and 310-helices, respectively. (c) Anomalous difference Fourier map of the ferric ion shown in blue mesh contoured at 4.0σ. (d) The electron-density OMIT map (2Fo − Fc map shown in blue mesh contoured at 1.5σ) was superimposed onto the ferric ion-binding site of Fe3+–bicarbonates–TtFbpA. The OMIT map was generated by omitting the atoms of two bicarbonates and a water. (e) Comparison of the ferric ion-binding site of apo TtFbpA (cyan) and Fe3+–bicarbonates–TtFbpA (green). Three tyrosine residues and the bicarbonates are shown as stick models and the ferric ion and a water molecule are shown as spheres. |
![[Figure 1]](mh5098fig1.jpg)
| BIOLOGICAL CRYSTALLOGRAPHY |
ISSN: 1399-0047
