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Figure 6 | BMC Structural Biology

Figure 6

From: NMR and X-ray analysis of structural additivity in metal binding site-swapped hybrids of rubredoxin

Figure 6

Superposition of the X-ray and NMR structures of the metal binding site-swapped Cp rubredoxin. Molecules A, B and C of the asymmetric unit in the 0.79 Å resolution X-ray structure are indicated in green, blue and black, respectively, while the NMR-derived structure is indicated in red. The zinc atom is indicated in yellow. The C-terminal residues Glu 53 and Glu 54 were not modeled due to the absence of well-defined density in the electron density map. The Asp 35 Oδ1 and Lys 46 Nζ atoms of each structure are highlighted as spheres. For residues exhibiting dual conformations, the more highly populated conformer is displayed.

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