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The interface between SD2 and SD4 is affected by both the nucleotide and the starting configuration. (a) Backbone structure of the average structure from the lowest-energy US window for each system after aligning the internal reference frame of SD4. (b–e) Contacts between SD2 and SD4 in G-ATP, Oda-ATP, G-ADP, and Oda-ADP, respectively. To see this figure in color, go online.
