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Conserved interactions at the interface of Bub3 and the GLEBS motifs. H-bonds are illustrated by broken green lines. (A and B) Top views of Bub3 bound to Mad3 (A) and Bub1 (B) GLEBS motifs. The helices were not rendered in this view because they obscured the underlying residues. (C and D) Side views of Bub3 bound to Mad3 (C) and Bub1 (D) GLEBS motifs. The slab has been positioned to reveal the interactions near the pore of Bub3. For clarity, Trp-120 has not been rendered in this view.
