Anti-XPF (1:1000) polyclonal antibody was generated by immunizing rabbits with MBP-XPF (residues 616–916) fusion proteins purified from E. Coli (HuaAn Biotechnology, Hangzhou, China). Antisera were affinity-purified using AminoLink plus Immobilization and purification kit (Pierce). Anti-CPD (NM...