N6-biotinyl-L-lysine 226.077606201171875 226.3000030517578125 354.172576904296875 354.470001220703125 (2S)-2-amino-6-(5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoylamino)hexanoic acid N6-[5-((3aS,4S,6aR)-hexahydro-2-oxo-1H-thieno[3,4-d]imidazol-4-yl)-1-oxopentyl]-L-lysine MOD_RES N6-biotinyllysine biotinyl lysyl biocytin none PSI-MOD K N6-biotinyl-L-lysine C 10 H 14 N 2 O 2 S 1 From DeltaMass: Average Mass: 354 Formula:C 16 H 26 O 4 N 3 S 1 (formula incorrect, N and O reversed) Monoisotopic Mass Change:354.172 Average Mass Change:354.471 References:PE Sciex. Biotinylation MOD:00126 N6-biotinyllysine N6BtnLys A protein modification that effectively converts an L-lysine residue to N6-biotinyl-L-lysine. Biotin (3aS-(3aalpha,4beta,6aalpha))-N6-(5-(hexahydro-2-oxo-1H-thieno(3,4-d)imidazol-4-yl)-1-oxopentyl)-L-lysine natural epsilon-N-biotinyllysine C 16 H 26 N 4 O 3 S 1 N6-acylated L-lysine biotinylated residue