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Cited by 489

The DOI matches its Crossref record; 26 of the 26 references it cites were found in a registry or an index.

PRMT1 Is the Predominant Type I Protein Arginine Methyltransferase in Mammalian Cells

Open access
Tang, Jie, Frankel, Adam, Cook, Robert J., Kim, Sangduk, Paik, Woon Ki, Williams, Kenneth R., Clarke, Steven, Herschman, Harvey R.·2000·Journal of Biological Chemistry

Abstract

Type I protein arginine methyltransferases catalyze the formation of asymmetric omega-N(G),N(G)-dimethylarginine residues by transferring methyl groups from S-adenosyl-L-methionine to guanidino groups of arginine residues in a variety of eucaryotic proteins. The predominant type I enzyme activity is found in mammalian cells as a high molecular weight complex (300-400 kDa). In a previous study, this protein arginine methyltransferase activity was identified as an additional activity of 10-formyltetrahydrofolate dehydrogenase (FDH) protein. However, immunodepletion of FDH activity in RAT1 cells and in murine tissue extracts with antibody to FDH does not diminish type I methyltransferase activity toward the methyl-accepting substrates glutathione S-transferase fibrillarin glycine arginine domain fusion protein or heterogeneous nuclear ribonucleoprotein A1. Similarly, immunodepletion with anti-FDH antibody does not remove the endogenous methylating activity for hypomethylated proteins present in extracts from adenosine dialdehyde-treated RAT1 cells. In contrast, anti-PRMT1 antibody can remove PRMT1 activity from RAT1 extracts, murine tissue extracts, and purified rat liver FDH preparations. Tissue extracts from FDH(+/+), FDH(+/-), and FDH(-/-) mice have similar protein arginine methyltransferase activities but high, intermediate, and undetectable FDH activities, respectively. Recombinant glutathione S-transferase-PRMT1, but not purified FDH, can be cross-linked to the methyl-donor substrate S-adenosyl-L-methionine. We conclude that PRMT1 contributes the major type I protein arginine methyltransferase enzyme activity present in mammalian cells and tissues.

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Metadata

Authors
Tang, J., Frankel, A., Cook, R. J., Kim, S., Paik, W. K., Williams, K. R., Clarke, S., & Herschman, H. R.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2000-03
Volume
275
Issue
11
Pages
7723-7730
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2156211472
Cited by
489
References
26
FWCI
3.49
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: PRMT1 Is the Predominant Type I Protein Arginine Methyltransferase in Mammalian Cells. https://app.cochat.ai/papers/10.1074/jbc.275.11.7723
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Tang, J., Frankel, A., Cook, R. J., Kim, S., Paik, W. K., Williams, K. R., Clarke, S., & Herschman, H. R. (2000). PRMT1 Is the Predominant Type I Protein Arginine Methyltransferase in Mammalian Cells. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.275.11.7723

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