Figure 4.
Overall structure. The images on the right show the Fo − Fc map contoured at 2.8σ around the alginate oligosaccharide. A, AlgM1M2SS/AlgQ2 + Δ3M; B, AlgQ2 + Δ3M; C, AlgM1M2SS/AlgQ2 + 6–8M; D, AlgQ2 + 7–10M.
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