derives from N6,N6,N6-trimethyl-L-lysine modified residue with a secondary neutral loss modified L-lysine residue N6,N6,N6-trimethyl-L-lysine with neutral loss of trimethylamine -59.074047088623046875 -59.1100006103515625 1+ 112.07569122314453125 112.15000152587890625 C -3 H -9 N -1 O 0 C 6 H 10 N 1 O 1 Covalent modification of a trimethyllysine residue with secondary loss of a neutral trimethylamine molecular fragment. MOD:00083 MOD:01773 PSI-MOD artifact dMe3N6Me3+Lys