preferred_name: L-lysyl-[protein] + formaldehyde + AH2 => N(6)-methyl-L-lysyl-[protein] + A + H2O
preferred_name_lc: l-lysyl-[protein] + formaldehyde + ah2 => n(6)-methyl-l-lysyl-[protein] + a + h2o
label: L-lysyl-[protein] + formaldehyde + AH2 => N(6)-methyl-L-lysyl-[protein] + A + H2O
label_lc: l-lysyl-[protein] + formaldehyde + ah2 => n(6)-methyl-l-lysyl-[protein] + a + h2o