| Cell lines, plasmids and si-RNA | Source | Catalog number |
|---|---|---|
| HAP1 WT | Horizon Discovery | Cat #: C631 |
| HAP1 POLQKO | Horizon Discovery | Cat #: HZGHC000647c005 |
| HAP1 LIG4KO | Horizon Discovery | Cat #: HZGHC000759c005 |
| HAP1 RAD52KO | Horizon Discovery | Cat #: HZGHC000623c002 |
| DLD-1 WT | Horizon Discovery | Cat #: CCL-221 |
| DLD-1 BRCA2 KO | Horizon Discovery | Cat #: HD 105–007 |
| U2OS WT | Gift from Jeremy Stark (20) | NA |
| U2OS POLQKO | Gift from Jeremy Stark (20) | NA |
| U2OS RAD52KO | Gift from Jeremy Stark (20) | NA |
| U2OS EJ-2 | Gift from Jeremy Stark (8) | NA |
| HCC1937 pcDNA3.1 | Previous publication (21) | NA |
| HCC1937 BRCA1 complemented | Previous publication (21) | NA |
| HEK293T | ATCC | Cat #: CRL-3216 |
| AAVS1 T2 CRISPR in pX330 | Addgene | Cat #: 72833 |
| pUC57 DS-121 | Made for this paper (Genscript) | N/A |
| ON-TARGETplus Human BRCA1 (672) siRNA - SMARTpool | Dharmacon | Cat #: L-003461 |
| ON-TARGETplus Non-targeting siRNA #1 | Dharmacon | Cat #: D-001810 |