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Figure 3
Electron-density maps around β-sheet 2 of CagXct monomer A. The 2Fo − Fc map (blue) is contoured at 1.4σ and the Fo − Fc map is contoured at 3.0σ (green) and −3.0σ (red). The difference density ripples (red and green) are likely to be owing to crystal twinning. This figure was prepared using PyMOL (Schrödinger).

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
Volume 73| Part 3| March 2017| Pages 167-173
https://doi.org/10.1107/S2053230X17001376
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