Before revision:  Remarkably, in promoter-centered networks, we observe higher ChAs of the actively elongating form of RNA Polymerase 2  compared to inactive forms  in interactions between promoters and other elements.
After revision:  Remarkably, in promoter-centered networks, we observe higher ChAs of the actively elongating form of RNA Polymerase 2 compared to inactive forms only in interactions between promoters and other elements.