Term Name:	histone H4 methyltransferase activity
Synonyms:	histone H4 methylase activity, histone H4 methylation
Definition:	Catalysis of the reaction: Catalysis of the reaction: S-adenosyl-L-methionine + a histone H4 = S-adenosyl-L-homocysteine + a methylated histone H4. Histone methylation generally occurs on either an arginine or a lysine residue.
Ontology:	GO: Molecular Function [GO:0140939]    QuickGO    AmiGO