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. Author manuscript; available in PMC: 2017 Jun 1.
Published in final edited form as: J Struct Biol. 2016 Apr 13;194(3):446–450. doi: 10.1016/j.jsb.2016.04.003

Fig. 2. Crystal structure of COHb S.

Fig. 2

Fig. 2

(A) Stereo-view of the initial electron density (2Fo-Fc) map with alanine at the 6th position of the β-subunit during the refinement, contoured at 1.0σ. (B) Stereo-view of the final 2Fo-Fc map with valine at the 6th position of the β-subunit during the refinement, contoured at 1.0σ. The two maps are superimposed with the final refined model.