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Figure 1.
Fig. 1. A representative part of the 2F[o]F[c] electron
density map of SEA-Zn2+ in the core of the superantigen
molecule. Observe the interactions between tyrosine residues
that possibly contribute to the resistance^ of SEA to
environmental factors such as high temperature or protease^
degradation. The 2F[o]F[c] electron density map is contoured at
1.2^  above the
mean.
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