Term Name:	histone methyltransferase activity
Synonyms:	histone methylase activity, histone N-methyltransferase activity
Definition:	Catalysis of the reaction: S-adenosyl-L-methionine + histone = S-adenosyl-L-homocysteine + methyl-histone. Histone methylation generally occurs on either an arginine or a lysine residue.
Ontology:	GO: Molecular Function [GO:0042054]    QuickGO    AmiGO