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Figure 1.
Figure 1 Crystal structure of the UBA domain from Mud1. (A)
Cartoon representation of the asymmetric unit of the Mud1 UBA
crystal structure formed by chain A (red) and B (blue). Labeled
side chains are involved in domain -domain contacts or in Ub
binding, and are drawn in stick mode. The sulfur anomalous
difference map is shown as a blue contour at 10.0  .
(B) Electron density 2F[o] -F[c] map of Mud1 UBA crystal
structure at a contour level of 1.0 ,
showing a crystal contact between two 'A' monomers in the
crystal structure. Note the stacking of the side-chain phenyl
groups of two Phe330 residues. Residues in a different
symmetry-related molecule are tagged with an apostrophe.
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