13C1, 15N1 in the backbone available amino acids. Mass +2 pick up


  • L-Lysine * HCl
  • Glycine
  • L-Serine
  • L-Methionine
  • L-Valine
  • L-Tyrosine
  • L-Leucine


Any other amino acid can be synthesized with this labeling pattern as need be.