label: histone H3K27me2/H3K27me3 demethylase activity
label_lc: histone h3k27me2/h3k27me3 demethylase activity
description: "Catalysis of the removal of a methyl group from a tri- or a dimethyl-lysine residue at position 27 of the histone H3 protein. This is a dioxygenase reaction that is dependent on Fe(II) and 2-oxoglutarate."