Supplementary Materials from Isoform- and Phosphorylation-specific Multiplexed Quantitative Pharmacodynamics of Drugs Targeting PI3K and MAPK Signaling in Xenograft Models and Clinical Biopsies

Abstract
This document includes Supplementary Methods, validation data (Figures S1 and S2), complete PD data sets (Figures S3-S7), and Supplementary Tables detailing statistical analyses and assay validation.