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. Author manuscript; available in PMC: 2010 Aug 20.
Published in final edited form as: J Phys Chem B. 2009 Aug 20;113(33):11505–11510. doi: 10.1021/jp901321m

Figure 1.

Figure 1

Active site structure of azide-bound human carbonic anhydrase II (HCA II) (PDB #1RAY).43 Azide binds to the active-site zinc in grey. The dashed line indicates the hydrogen bond between azide and the amide proton of Thr199.