Term Name:	histone H3 methyltransferase activity
Synonyms:	histone H3 methylase activity, histone H3 methylation
Definition:	Catalysis of the reaction: S-adenosyl-L-methionine + a histone H3 = S-adenosyl-L-homocysteine + a methylated histone H3. Histone methylation generally occurs on either an arginine or a lysine residue.
Ontology:	GO: Molecular Function [GO:0140938]    QuickGO    AmiGO