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. Author manuscript; available in PMC: 2017 Sep 7.
Published in final edited form as: Structure. 2014 Nov 13;22(12):1754–1763. doi: 10.1016/j.str.2014.09.012

Figure 1.

Figure 1

Identification of an oxidized X1NTD post-translational modification. (A) Expanded view of the N-terminus of the oxidized XRCC1-NTD with methionine modeled as the N-terminal residue. 2FoFc electron density contoured at 1.0 is shown for the modeled Met1 (A), and for the modeled carbimate adduct (B). FoFc electron density contoured at 3 is shown for the CO2 group.