S-palmitoyl-L-cysteine 238.2296600341796875 238.410003662109375 341.238861083984375 341.54998779296875 From DeltaMass: (name misspelled "S-palmityl Cystenyl" and formula incorrect, N and O reversed) Formula: C19H35O1N2S1 Monoisotopic Mass Change: 341.239 Average Mass Change: 341.556 Palmitoyl S-palmitoylated L-cysteine ACT_SITE S-palmitoyl cysteine intermediate C 19 H 35 N 1 O 2 S 1 C 16 H 30 O 1 SPamCys S-palmityl Cystenyl Palmitoylation (2R)-2-amino-3-(hexadecanoylsulfanyl)propanoic acid MOD:00115 cysteine palmitate thioester S-palmitoyl-L-cysteine 2-amino-3-(hexadecanoylthio)propanoic acid natural cysteine hexadecanoate thioester S-hexadecanoylated L-cysteine C A protein modification that effectively converts an L-cysteine residue to S-palmitoyl-L-cysteine. LIPID S-palmitoyl cysteine PSI-MOD none S-palmitoylated residue palmitoylated-L-cysteine