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. Author manuscript; available in PMC: 2010 Apr 1.
Published in final edited form as: J Proteome Res. 2009 Apr;8(4):1983–1991. doi: 10.1021/pr8009319

Figure 3.

Figure 3

HPLC traces for the separation of nucleoside mixtures arising from the enzymatic digestion of nucleic acids that were isolated from the in-vivo chemically cross-linked DNA-protein complexes by the standard phenol extraction method (A) and the DNAzol method (B). The identities of nucleosides were confirmed by HPLC analysis of authentic compounds. “A”, “C”, “G”, “U” designate the four natural ribonucleosides, and “dA”, “dC”, “dG”, and “dT” represent the four natural 2′-deoxyribonucleosides.