Fig. 1From: Microhomology-mediated end joining: new players join the teamModel for MMEJ mediated DSBs repair. The first step of MMEJ is 5â²â3â² end resection to expose microhomologous region, which can then anneal each other to form an intermediate with 3â²-flap and gaps. The following step is flap removal and gap filling. After that, MMEJ is completed by ligationBack to article page