N-methyltransferase activity protein methyltransferase activity S-adenosylmethionine-dependent methyltransferase activity protein-glutamine N-methyltransferase activity https://github.com/geneontology/go-ontology/issues/29860 protein glutamine N-methyltransferase activity Catalysis of the reaction: L-glutaminyl-[protein] + S-adenosyl-L-methionine = N(5)-methyl-L-glutaminyl-[protein] + S-adenosyl-L-homocysteine + H+. molecular_function bf RHEA:50904 RHEA:57452 Reactome:R-HSA-6800138 GO:0036009 RHEA:45020 protein glutamine N-methylase activity 2011-10-03T02:27:05Z