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. Author manuscript; available in PMC: 2012 Mar 21.
Published in final edited form as: Inorg Chem. 2011 Feb 15;50(6):2302–2320. doi: 10.1021/ic1020127

Figure 2.

Figure 2

Our previously proposed E. coli RNR-X active site structure with di-μ-oxo bridge.27 This is also our currently proposed structure for the X-Trp48 state, and for the possible Fe1(IV)Fe2(IV) state.