Western blotting was performed as previously described (15 (link)). The primary antibodies were used at the following dilutions: anti-PTIP (1:1000, Bethyl), anti-CtIP (1:1000, Proteintech), anti-CtIP (1:500, Santa Cruz), anti-RPA32-S33 (1:1000, Bethyl), anti-β-actin (1:3000, Abclonal), anti-FALG (1:2000, Invitrogen), anti-HA (1: 1000, Proteintech), anti-UFL1 (1:1000, Bethyl), anti-GST (1:1000, Abclonal), and anti-His (1:1000, Abclonal).
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