The primary antibodies used were as follows: SMC1A (Bethyl Laboratories, A300-055A), SMC3 (Bethyl Laboratories, A300-060A), acetylated SMC3 (kindly provided by Dr Prasad Jallepalli), RAD21 (SCC1) (Bethyl Laboratories, A300-080A), SCC-112 (PDS5) (Bethyl Laboratories, A300-089A), OBFC1 (STN1) (Novus Biologicals, NBP2-01006), CTC1 (45 (link)), α-tubulin (MilliporeSigma, T-9026), TEN1 (47 (link)), MAD2 (Bethyl Laboratories, A300-301A), α-actinin (Santa Cruz Biotechnology, SC17829), H3 (Cell Signaling Technology, 9715), Flag (Thermo Fisher Scientific, MA1-91878, PA1-984B), PolA1 (Bethyl Laboratories, A302-805A), MCM7 (Santa Cruz Biotechnology, sc22782), p53 (Cell Signaling Technology, 2524S), and p21 (Santa Cruz Biotechnology, sc-6246).
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