Catalysis of the reaction: histone H3 N6-acetyl-L-lysine (position 4) + H2O = histone H3 L-lysine (position 4) + acetate. This reaction represents the removal of an acetyl group from lysine at position 4 of the histone H3 protein.
Source:
GOC:al,
PMID:23771057,
PMID:28450737