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Figure 5
Initial electron-density map contoured at 1.0σ (blue) and an anomalous difference map (positive, green) showing a helical section of SmhA. Density can be seen for the side chains of Trp305 and Met298, with positive difference for the Se atom (shown as a cross) in Met298.

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
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