Active DNA demethylation: many roads lead to Rome (vol 11, pg 607, 2010)

Nature Reviews Molecular Cell Biology 11, 607–620 (2010) On page 610 of the above article there is a mistake in BOX 1: HsK27me3 should be H3K27me3. On page 616 there is a mistake in FIG. 6. The arrow concerning 5′-dA between step 1 and step 2 should be pointing in the other direction, as shown here.We apologize for any confusion caused to readers.