Phosphoproteomic analysis of AML samples reveals associations with some initiating events and with FLT3 mutations. Unsupervised clustering of phosphoproteomic data from 44 AML samples and 3 healthy control bone marrow samples using the unweighted pair group method with arithmetic mean algorithm. The heatmap shows Pearson correlation of total phosphosite abundance between each patient. Clinical correlates are noted as in Figure 1.