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. 2015 Dec 15;44(2):801–810. doi: 10.1093/nar/gkv1469

Figure 4.

Figure 4.

Formation of methyl O-glycoside site in DNA. (A) The hydrolysis product AP site (left path) undergoes β/δ-elimination upon treatment with sodium hydroxide (NaOH). Conversely, the methanolysis product (right path) is resistant to cleavage by NaOH. (B) HPLC traces for methanolysis reactions with Gs MutY (solid) and without enzyme (dashed) indicate baseline separation of all substrates and products and verify that all products are generated by an enzyme-catalyzed reaction. (C) MALDI-MS confirms the presence of a dROMe-oligomer (predicted 3213.1 Da, measured 3216.9 Da, +3.8 offset).