derives from modification reporter fragment TMT6plex reporter+balance reagent acylated residue TMT6plex reporter fragment 2,6-dimethyl-1-methylidenepiperidinium MOD:01716 PSI-MOD The protein modification reporter fragment produced by an Proteome Sciences TMT6plex-126 reagent acylated residue. cysTMT6plex reporter fragment cysTMT6plex reporter+balance reagent cysteine disulfide