Supplementary information: Bactericidal Specificity and Resistance Profile of Poly(Quaternary Ammonium) Polymers and Protein-Poly(Quaternary Ammonium) Conjugates Weihang Ji, † Richard R. Koepsel, †,‡ Hironobu Murata, †,‡ Sawyer Zadan, ‡ Alan S. Campbell, †, § Alan J. Russell* ,†,‡,§,‖ † Center for Polymer-based Protein Engineering, ‡ Disruptive Health Technology Institute, § Department of Biomedical Engineering, and ‖ Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States