Biochemical and Functional Characterizations of Dyskerin Complexes

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Research of RNA-containing enzyme complexes has gained much momentum in the past decade. Despite this upswing, details about the assembly, and the precise cellular functions, of many RNA-containing enzymes have remained poorly defined. Understanding these cellular processes will undoubtedly reveal biological pathways essential to human health. Dyskerin is a housekeeping enzyme that participates in two important cellular processes involving enzymatic RNAs: the repair of chromosome ends, and the regulation of protein synthesis. Heritable mutations in the dyskerin locus lead to multiple human diseases with overlapping phenotypes. At present, the specific mechanisms by which these genetic changes impact dyskerin’s multiple functions in RNA-containing enzyme complexes, and to what extent, are not known.