3 years ago

Ubiquitin-like Protein Conjugation: Structures, Chemistry, and Mechanism

Ubiquitin-like Protein Conjugation: Structures, Chemistry, and Mechanism
Laurent Cappadocia, Christopher D. Lima
Ubiquitin-like proteins (Ubl’s) are conjugated to target proteins or lipids to regulate their activity, stability, subcellular localization, or macromolecular interactions. Similar to ubiquitin, conjugation is achieved through a cascade of activities that are catalyzed by E1 activating enzymes, E2 conjugating enzymes, and E3 ligases. In this review, we will summarize structural and mechanistic details of enzymes and protein cofactors that participate in Ubl conjugation cascades. Precisely, we will focus on conjugation machinery in the SUMO, NEDD8, ATG8, ATG12, URM1, UFM1, FAT10, and ISG15 pathways while referring to the ubiquitin pathway to highlight common or contrasting themes. We will also review various strategies used to trap intermediates during Ubl activation and conjugation.

Publisher URL: http://dx.doi.org/10.1021/acs.chemrev.6b00737

DOI: 10.1021/acs.chemrev.6b00737

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