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. Author manuscript; available in PMC: 2010 Jan 15.
Published in final edited form as: Bioorg Med Chem. 2008 Dec 3;17(2):794–803. doi: 10.1016/j.bmc.2008.11.057

Figure 2.

Figure 2

Proposed mechanisms for AIR carboxylase and the similarity between NAIR and the putative transition states for these enzymes. A. Two mechanisms proposed for AIR carboxylase. Path a. The ylide mechanism. Path b. The iso-CAIR mechanism. B. Comparison of transition states for two mechanisms outlined in A to NAIR.