The MRN complex recruits DNA ligase 3 (LIG3) bound to XRCC1 (LIG3:XRCC1) to microhomology-mediated end joining (MMEJ) sites through direct interactions of the MRN subunits RAD50 and NBN (NBS1) with LIG3 (Della-Maria et al. 2011).
Tsai, MS, Kuhnlein, J, Zhou, Y, Della-Maria, J, Carney, JP, Tomkinson, AE, Paull, TT
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