preferred_name: histone H4K20me methyltransferase activity
preferred_name_lc: histone h4k20me methyltransferase activity
label: histone H4 methyl lysine(20) N-methyltransferase activity (H4-K20 specific)
label_lc: histone h4 methyl lysine(20) n-methyltransferase activity (h4-k20 specific)