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Disruption of VP3 Cys87-Cys89 disulfide bond results in reorientation of cysteine side chains; however, it has limited impact on VP3 structure. (A and B) Detail diagram of the CD loop in VP3 of SAFV-3 in native virus (A) and DTT-treated virus (B). An electron density map contoured at 2σ is shown as a blue mesh.
