Term Name:	histone H4K20 demethylase activity
Synonyms:	histone demethylase activity (H4-K20 specific), histone demethylase activity (H4K20-specific), histone H4-K20 demethylase activity, histone H4-methyl-lysine-20 demethylase activity, histone H4K20me demethylase activity
Definition:	Catalysis of the removal of the methyl group from a modified lysine residue at position 20 of the histone H4 protein. This is a dioxygenase reaction that is dependent on Fe(II) and 2-oxoglutarate.
Ontology:	GO: Molecular Function [GO:0035575]    QuickGO    AmiGO