                           !    Binding assay S2 Inhibition assay S2 Figure S1 S4 Figure S2 S4 General experimental methods S5 Estimation of extend of polymer modification and effective molecular weight from 1 H#NMR spectra S5 Figure S3 S6 Figure S4 S8 Synthesis of polymers # S9 Figure S5 S9 Synthesis of synthesis of ligands and S11 Synthesis of conjugates # S18 NMR spectra S21 References S38