The Enzyme Database

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Accepted name: [histone H3]-lysine9 N-methyltransferase
Reaction: S-adenosyl-L-methionine + a [histone H3]-L-lysine9 = S-adenosyl-L-homocysteine + a [histone H3]-N6-methyl-L-lysine9
Other name(s): PRDM3 (gene name); PRDM16 (gene name)
Systematic name: S-adenosyl-L-methionine:[histone H3]-L-lysine9 N6-methyltransferase
Comments: This entry describes several enzymes that methylate the L-lysine-9 residue of histone H3 (H3K9) only once, generating a monomethylated form. These modifications influence the binding of chromatin-associated proteins. cf. EC, [histone H3]-lysine9 N-dimethyltransferase, EC, [histone H3]-lysine9 N-trimethyltransferase, and EC, [histone H3]-N6,N6-dimethyl-lysine9 N-methyltransferase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, PDB
1.  Pinheiro, I., Margueron, R., Shukeir, N., Eisold, M., Fritzsch, C., Richter, F.M., Mittler, G., Genoud, C., Goyama, S., Kurokawa, M., Son, J., Reinberg, D., Lachner, M. and Jenuwein, T. Prdm3 and Prdm16 are H3K9me1 methyltransferases required for mammalian heterochromatin integrity. Cell 150 (2012) 948–960. [PMID: 22939622]
[EC created 2020]

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