XRCC5 and chronic myelogenous leukemia, BCR-ABL1 positive: Importantly, we compared HAP1 chronic myelogenous leukaemia-derived parental (wild-type p53) and JMY knockout cells (Fig. S3ai), where ablation of JMY resulted in a decrease in both XPC and XRCC5 mRNA and protein (Fig. S3aii, b, c).