Basal phosphorylation states of activating JAK/STAT motifs were elevated in T-PLL over normal T-cells (Supplementary Fig. 11a, b; pSTAT5BTyr694; human: p = 0.017; murine hTCL1A-tg leukemia: p = 0.054, Student’s t-test). This evidence concerns the gene SOAT1 and leukemia.