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Structural rigidity of loop 1 in Spike-2-Oxford. (A and B) Structural alignment of all four molecules of Spike-2-Oxford (A) and of Spike2-CDC-Spain (B) in the crystallographic asymmetric unit. (C) Structural alignment of all eight molecules of Spike-2-CDC-Spain in the crystallographic asymmetric unit from the Spike-2-CDC-Spain/scFv PL-2 complex structure.
