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Overall structure of the Hsh155 ULM bound to the Tat-SF1 UHM at 2.0 Å resolution. (A) Feature-enhanced electron density map (Afonine et al. 2015) (1.5 σ contour level) of Hsh155 ULM (orange) bound to Tat-SF1 UHM (blue). (B) Superposed Cα-backbone traces of Hsh155-bound compared to ULM4-bound Tat-SF1 UHM structures.
