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. 2012 Mar 7;7(3):e33316. doi: 10.1371/journal.pone.0033316

Figure 2. Presence and distribution of CpG dinucleotides in B19V genome.

Figure 2

The left terminal region and the proximal part of the internal region of B19V genome are shown in the diagram (nt.1–586, scale at the top line). Upper line: thick segment, left terminal region and axis of dyad symmetry; thin segment, internal region. Middle line: distribution of CpG dinucleotides, TATA box and start of transcription. Lower line: distribution of cis- recognition sequence elements. NSBE 1–4, NS protein binding elements 1–4 [19]. Sp1/3, Sp factors 1/3 recognition sequences.