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  • Book
    Kaitlyn Ella Moore.
    Digital2014
    Lysine methylation is a chemical modification that occurs naturally in proteins. This post-translational modification is small and preserves the charge on the lysine sidechain, making relatively little chemical difference. However, misregulation of lysine methylation can cause a host of human cancers, developmental disorders, and other diseases. The most prominent example of lysine methylation occurs within histone proteins, but it can also occur on non-histone proteins. The proteomic extent of methylation and the diversity of processes it might regulate were previously unclear. The work presented here focuses on identifying the cellular "methylome" and understanding methylation signaling pathways within cells. I also examine the substrate repertoire of the methyltransferase SETMAR and identify the spliceosome component snRNP70 as a novel SETMAR substrate.