Abstract
Post-translational modifications (PTMs) of proteins influence protein degradation, protein-protein interactions, expression of genes, and intracellular signal transduction, and thereby regulate major life processes. Among the PTMs occurring within the cytoplasm and nucleus, the most commonly studied one is the arginine methylation of proteins catalyzed by PRMTs. PRMT1 is the most excellent and extensively studied member of the PRMT family. PRMT1 occurs in various isoforms, and the unique sequence splicing of each of these isoforms encodes differential proteins that exhibit different cellular localization, substrate specificity, and enzyme activity. In addition to methylating histones, PRMT1 also methylates a large number of non-histone substrates that regulate a broad range of cellular processes. In recent years, research has been revealing an increasing number of pathological diseases caused by the misregulation and aberrant expression of PRMT1, demonstrating the potential of PRMT1 as an effective biomarker for drug targets. In this context, the present study discusses the structural characteristics and the biological functions of PRMT1.
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