Supplementary Figure Legends from Cetuximab Resistance in Head and Neck Cancer Is Mediated by EGFR-K<sub>521</sub> Polymorphism

Supplementary Figure 1. Inhibitory effect of Cetuximab determined by western blot analysis of 12 HNSCC cell line lysates. Supplementary Figure 2. Time course of EGFR phosphorylation in HNSCC cell line UT-SCC 8. Supplementary Figure 3. Correlation of total and membrane exposed EGFR in HNSCC cell lines. Supplementary Figure 4. IL-3 dependent Ba/F3 cells can be transformed to EGF dependence by stable transduction with EGFR and EGFRK521 genes. Supplementary Figure 5. Far-UV CD spectra of Fc-EGFR and Fc-EGFRK521. Supplementary Figure 6. ADCC induction in EGFR-transduced Ba/F3 cells by Cetuximab and CetuGEX{trade mark, serif}.