Journal
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS
Volume 342, Issue 2, Pages 472-481Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bbrc.2006.01.167
Keywords
PRMT; protein arginine methyltransferase; type II; symmetric dimethylarginine; immunolocalization; structure modeling; methylation; FBXO11; FLJ12673; F-box; zinc finger; beta-propeller
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We have identified a protein, FLJ12673 or FBXO 11, that contains domains characteristically present in protein arginine methyltransferases (PRMTs). Immuno-purified protein expressed from one of the four splice variants in HeLa cells and in Escherichia coli exhibited methyltransferase activity. Monomethylarginine, symmetric, and asymmetric dimethylarginine (SDMA, ADMA) were formed on arginine residues. Accordingly, we have designated the protein PRMT9. PRMT9 is the third member of the PRMT family that forms SDMA modifications in proteins. Structurally, this protein is distinct from all other known PRMTs implying that convergent evolution allowed this protein to develop the ability to methylate arginine residues and evolved elements conserved in PRMTs to accomplish this. (c) 2006 Elsevier Inc. All rights reserved.
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