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. 2012 Apr 17;7(4):e35558. doi: 10.1371/journal.pone.0035558

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(A) GpC steps in B-DNA; (B) CpG steps in B-DNA; (C) Gp5mC steps in 5mCB-DNA; (D) 5mCpG steps in 5mCB-DNA. The plots are color-coded based on the density of points.