S-adenosyl-L-methionine-dependent protein-lysine N-methyltransferase that methylates elongation factor 2 and elongation factor 3A. By glucose, sucrose and fructose. Belongs to the class I-like SAM-binding methyltransferase superfamily. METTL21 family. Was originally (PubMed:8048925) thought to be induced by UV light and alkylating agents. The authors from PubMed:11861905 have found from further investigation that it is induced and regulated by glucose.