derives from reduced 4-hydroxynonenal adduct modified L-lysine residue lysine 4-hydroxynonenal adduct reduced lysine 4-hydroxynonenal adduct 158.13067626953125 158.2400054931640625 286.22564697265625 286.420013427734375 4-hydroxynonenal, a toxic lipid aldehyde, is a product of the hydroperoxide beta-cleavage degradation of omega-6 polyunsaturated fatty acids, such as arachidonic and linoleic acids [JSG]. A protein modification produced by formation of an adduct of an L-histidine residue with 4-hydroxynonenal artificially reduced by a reagent such as NaBH4. C 15 H 30 N 2 O 3 C 9 H 18 O 2 HNE+Delta:H(2) K MOD:01299 PSI-MOD Unimod:335 artifact reduced 4-Hydroxynonenal