Abstract
ARGONAUTE (AGO) proteins are eukaryotic RNA silencing effectors that interact with their binding partners via short peptide motifs known as AGO hooks. AGO hooks tend to cluster in one region of the protein to create an AGO-binding platform. In addition to the presence of AGO hooks, AGO-binding platforms are intrinsically disordered, contain tandem repeat arrays, and have weak sequence conservation even between close relatives. These characteristics make it difficult to identify and perform evolutionary analysis of these regions. Because of their weak sequence conservation, only a few AGO-binding platforms are characterized, and the evolution of these regions is only poorly understood. In this chapter we describe modules developed for computational identification and evolutionary analysis of AGO-binding platforms, with particular emphasis on understanding evolution of the tandem repeat arrays.
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More From: Methods in molecular biology (Clifton, N.J.)
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