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Average nucleosome occupancy surrounding poly-A and poly-T sequences (AAAAA/TTTTT) for salt gradient dialysis (in vitro), WCE without ATP (WCE-ATP), WCE with ATP added (WCE+ATP), as well as in vivo occupancy [1]. The difference in occupancy between poly-As and poly-Ts is significant only for in vivo and WCE+ATP (by rank sum; see Figure S1 in File S1).
