KLC2 and chronic myelogenous leukemia, BCR-ABL1 positive: Furthermore, we identified recurrent novel kinesin light chain 2 (KLC2) gene mutations in CML-BP patients and other myeloid malignancy–related genes, including RUNX1, ABL1, ASXL1, BCOR/BCORL1, TP53, and WT1 [12].