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Conformational changes in the BC–PT interface upon CoA binding. (A) Overlay of the structure of free SaPC tetramer (in color) with that of SaPC (gray) in complex with CoA (black). The BC–PT interface is indicated with the red oval. (B) Close-up showing the contacts between the BC–PT interface of free SaPC (in color) and the CoA complex (gray; CoA in black).
