Ubiquitination and Protein Stability - Part A Volume 618, the latest release in the Methods in Enzymology series, highlights new advances in the field, with this updated volume presenting interesting chapter written by an international board of authors. Topics of note in this new release include the Preparation of ubiquitinated nucleosomes with native and non-hydrolyzable linkages, Methods to measure ubiquitin chain length and linkage, Genetic approaches to study the yeast ubiquitin system, Enzymatic preparation of monoubiquitinated proteins, Methods to distinguish the function of ubiquitin in autophagy and the proteasome pathway, the Purification and characterization of enzyme activity of USPs, and much more.