Chapter 1 Elucidation of Electron-Transfer Pathways in Copper and Iron Proteins by Pulse Radiolysis Experiments (OLE FARVER AND ISRAEL PECHT). Chapter 2 Peptide- or Protein-Cleaving Agents Based on Metal Complexes (WOO SUK CHEI AND JUNGHUN SUH). Chapter 3 Coordination Polymers of the Lanthanide Elements: A Structural Survey (DANIEL T. dE LILL AND CHRISTOPHER L. CAHILL). Chapter 4 Supramolecular Chemistry of Gases (DMITRY M. RUDKEVICH). Chapter 5 The Organometallic Chemistry of Rh-, Ir-, Pd-, and Pt-Based Radicals: Higher Valent Species (BAS dE BRUIN, DENNIS G. H. HETTERSCHEID, ARJAN J. J. KOEKKOEK, AND HANSJO.. RG GRU.. TZMACHER). Chapter 6 Unique Metal-Diyne, -Enyne, and -Enediyne Complexes: Part of the Remarkably Diverse World of Metal-Alkyne Chemistry (SIBAPRASAD BHATTACHARYYA, SANGITA, AND JEFFREY M. ZALESKI). Chapter 7 Oxygen Activation Chemistry of Pacman and Hangman Porphyrin Architectures Based on Xanthene and Dibenzofuran Spacers (JOEL ROSENTHAL AND DANIEL G. NOCERA). Chapter 8 Metal-Containing Nucleic Acid Structures Based on Synergetic Hydrogen and Coordination Bonding (WEI HE, RAPHAEL M. FRANZINI, AND CATALINA ACHIM). Chapter 9 Bispidine Coordination Chemistry (PETER COMBA, MARION KERSCHER, AND WOLFGANG SCHIEK). Subject Index. Cumulative Index, Volumes 1-55.