Metabolopeptidomics (small peptides)

1. Lung
   • ProGlyPro (PGP) [ref-13, ref-14]
   • Acetyl-ProGlyPro [ref-13, ref-14]
   
   
2. Vascular
   • LeuLysSerLeu (LKSL)
   
   
3. Pituitary
   • Acetyl-α-MSH, Des-Acetyl-α-MSH
   
   
4. Other
   • GPenGRGDSPCA (includes amino acid pencillamine)