| methyltransferases | <enzyme> A subclass of enzymes of the transferase class that catalyze the transfer of a methyl group from one compound to another. Registry number: EC 2.1.1. (12 Dec 1998) |
|---|
| polynucleotide methyltransferases | Enzymes that catalyze the methylation of purine and/or pyrimidine bases of polynucleotides, or of the sugars of polynucleotides. Synonym: polynucleotide methylases. (05 Mar 2000) |
|---|---|
| protein methyltransferases | <enzyme> Enzymes that catalyze the methylation of amino acids after their incorporation into a polypeptide chain. S-adenosyl-l-methionine acts as the methylating agent. Registry number: EC 2.1.1 (12 Dec 1998) |
| trna methyltransferases | <enzyme> Enzymes that catalyze the s-adenosyl-l-methionine-dependent methylation of ribonucleotide bases within a transfer RNA molecule. Registry number: EC 2.1.1.- (12 Dec 1998) |