N(6)-methyl-L-lysyl(4)-[histone H3] + A + H2O = L-lysyl(4)-[histone H3] + formaldehyde + AH2
n(6)-methyl-l-lysyl(4)-[histone h3] + a + h2o = l-lysyl(4)-[histone h3] + formaldehyde + ah2
N(6)-methyl-L-lysyl(4)-[histone H3] + A + H2O = L-lysyl(4)-[histone H3] + formaldehyde + AH2
n(6)-methyl-l-lysyl(4)-[histone h3] + a + h2o = l-lysyl(4)-[histone h3] + formaldehyde + ah2