The identity of DNA ligases that ligate DNA strands generated during cleavage of Holliday junctions by GEN1 or the SLX-MUS complex (composed of SLX1A:SLX4 heterodimer and MUS81:EME1 or possibly MUS81:EME2 heterodimer) is not known. The resolvase activity of GEN1 or SLX-MUS predominantly results in the generation of crossover products, with exchange of genetic material between sister chromatids (Wyatt et al. 2013).
Wyatt, HD, Sarbajna, S, Matos, J, West, SC
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