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Developing And Using Methyl-Specific Antibodies To Study The Biological Roles Of Arginine Methylation, Vidyasiri Vemulapalli
Developing And Using Methyl-Specific Antibodies To Study The Biological Roles Of Arginine Methylation, Vidyasiri Vemulapalli
Dissertations & Theses (Open Access)
Arginine residues can be modified in three different ways to produce asymmetric dimethylarginine (ADMA), symmetric dimethylarginine (SDMA), and monomethylarginine (MMA). These modifications are catalyzed by a family of nine protein arginine methyltransferases (PRMT1-9), which are of three types (I, II, and III). The majority of Type I enzymes asymmetrically dimethylate Glycine- and Arginine-rich (GAR) motifs, except for PRMT4, which methylates Proline-, Glycine-, and Methionine-rich (PGM) motifs. The same substrates (GAR or PGM motifs) can also be dimethylated by PRMT5 in a symmetric fashion. However, it is not clear whether there are dedicated residues within these motifs for ADMA and SDMA, …