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. 2014 Mar 14;136(13):4901–4904. doi: 10.1021/ja5016052

Figure 2.

Figure 2

Active site of PikCD50N with 8a (A) and 8b (B) bound. Substrates are in yellow, heme in gray, and amino acid residues in pink sticks; fragments of protein structure are shown as green ribbon. Distances are in angstroms.