IUBMB Enzyme Nomenclature


Accepted name: type III protein arginine methyltransferase

Reaction: S-adenosyl-L-methionine + [protein]-L-arginine = S-adenosyl-L-homocysteine + [protein]-Nω-methyl-L-arginine

Other name(s): PRMT7 (gene name)

Systematic name: S-adenosyl-L-methionine:[protein]-L-arginine N-methyltransferase ([protein]-Nω-methyl-L-arginine-forming)

Comments: Type III protein arginine methyltransferases catalyse the single methylation of one of the terminal nitrogen atoms of the guanidino group in an L-arginine residue within a protein. Unlike type I and type II protein arginine methyltransferases, which also catalyse this reaction, type III enzymes do not methylate the substrate any further. cf. EC, type I protein arginine methyltransferase, EC, type II protein arginine methyltransferase, and EC, type IV protein arginine methyltransferase.

Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB, CAS registry number:


1. Miranda, T.B., Miranda, M., Frankel, A. and Clarke, S. PRMT7 is a member of the protein arginine methyltransferase family with a distinct substrate specificity. J. Biol. Chem. 279 (2004) 22902-22907. [PMID: 15044439]

2. Gonsalvez, G.B., Tian, L., Ospina, J.K., Boisvert, F.M., Lamond, A.I. and Matera, A.G. Two distinct arginine methyltransferases are required for biogenesis of Sm-class ribonucleoproteins. J. Cell Biol. 178 (2007) 733-740. [PMID: 17709427]

3. Feng, Y., Hadjikyriacou, A. and Clarke, S.G. Substrate specificity of human protein arginine methyltransferase 7 (PRMT7): the importance of acidic residues in the double E loop. J. Biol. Chem. 289 (2014) 32604-32616. [PMID: 25294873]

[EC created 2015]

Return to EC 2.1.1 home page
Return to EC 2.1 home page
Return to EC 2 home page
Return to Enzymes home page
Return to IUBMB Biochemical Nomenclature home page