Part I. Chemical Probes of Membrane Protein Structure and Function 1. Engineering K+ Channels using Semisynthesis Alexander G. Komarov, Corey A. Costantino, and Francis I. Valiyaveetil 2. Chemical Derivatization and Purification of Peptide-Toxins for Probing Ion Channel Complexes Zhengmao Hua and William R. Kobertz 3. Using Yeast to Study Potassium Channel Function and Interactions with Small...