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Structural change made when stretching the disulfide bond Cys110–Cys154 from 2.04 to 3.22 Å (a). For clarity, C atoms from the model with the stretched disulfide are shown in cyan. (b) shows the change in the structure factor (17, 7, 6) resulting from the disulfide stretch shown in (a). The structure factor calculated using the deposited coordinates is highlighted in the upper right inset and that from the stretched disulfide in the left inset.
