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Figure 3
A stereo figure of the 2mFo − DFc electron-density map for the refined model covering the active site. Electron density is shown at a level of 1σ. The zinc ion is shown as a grey sphere and water molecules are shown as red spheres. The acetate ion coordinating the zinc ion is clearly visible in the density map and is found to hydrogen-bond to the conserved His55. The conserved LTXDDG motif of the NodB domain includes Asp114 and Asp115.

Journal logoBIOLOGICAL
CRYSTALLOGRAPHY
ISSN: 1399-0047
Volume 69| Part 1| December 2013| Pages 44-51
doi:10.1107/S0907444912042059
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