MBD4 (MED1; methyl-CpG-binding domain protein 4) recognizes and binds uracil mispaired with guanine at non-methylated CpG islands. G:U mispairs are generated by oxidative deamination of cytosine (Petronzelli et al. 2000).
Yeung, AT, Markham, GD, Matsumoto, Y, Bellacosa, A, Karbowski, M, Riccio, A, Genuardi, M, Seeholzer, SH, Petronzelli, F
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