The Apollo 5′ Exonuclease Functions Together with TRF2 to Protect Telomeres from DNA Repair

A major issue in telomere research is to understand how the integrity of chromosome ends is preserved [1, 2]. The human telomeric protein TRF2 coordinates several pathways that prevent checkpoint activation and chromosome fusions [3–9]. In this work, we identified hSNM1B [10], here named Apollo, as...

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