ID 1.14.11.67 DE [histone H3]-trimethyl-L-lysine(4) demethylase. CA 3 2-oxoglutarate + N(6),N(6),N(6)-trimethyl-L-lysyl(4)-[histone H3] + CA 3 O2 = 3 CO2 + 3 formaldehyde + L-lysyl(4)-[histone H3] + 3 succinate. CC -!- Requires iron(II). CC -!- This entry describes a group of enzymes that demethylate N-methylated CC L-lysine residues at position 4 of histone H3 (H3K4). CC -!- The enzymes are dioxygenases and act by hydroxylating the methyl CC group, forming an unstable hemiaminal that leaves as formaldehyde. CC -!- They can act on tri-, di-, and mono-methylated forms. DR P47156, JHD2_YEAST ; Q53WJ1, JM703_ORYSJ; Q8GUI6, JMJ14_ARATH; DR F4I240, JMJ17_ARATH; Q6IQX0, KD5BB_DANRE; P29375, KDM5A_HUMAN; DR Q3UXZ9, KDM5A_MOUSE; Q5F3R2, KDM5B_CHICK; Q9UGL1, KDM5B_HUMAN; DR Q80Y84, KDM5B_MOUSE; Q38JA7, KDM5C_CANLF; P41228, KDM5C_CRIGR; DR P41229, KDM5C_HUMAN; P41230, KDM5C_MOUSE; A1YVX4, KDM5C_PIG ; DR Q30DN6, KDM5D_CANLF; Q9BY66, KDM5D_HUMAN; Q62240, KDM5D_MOUSE; DR Q5XUN4, KDM5D_PANTR; Q61T02, KDM5_CAEBR ; Q23541, KDM5_CAEEL ; DR Q9VMJ7, KDM5_DROME ; //