- Acetylation (N-Terminal)
- Formylation (N-Terminal)
- Fatty acid (N-Terminal)
- Benzoyl (Bz) (N-Terminal)
- Palmytolyl (N-Terminal)
- Benzyloxycarbonylation (CBZ) (N-Terminal)
- Succinylation (N-Terminal)
- Myristic acid (N-Terminal)
- Acryl (N-Terminal)
- D(+)Glucose (N-Terminal)
- Chenodeoxycholic acid (N-Terminal)
- Tertbutoxycarbonyl (Boc) (N-Terminal)
- 3-Mercaptopropyl (Mpa)
- DNP (N-Terminal)
- Rhodamine B (N-Terminal) (with Ahx link)
- Propiolic Acid (N-Terminal)
- Pentinoic Acid (N-Terminal)
- Bromoacetyl (Br-Ac) (N-Terminal)
- Pyroglutamyl (pGlu) (Pyr) (N-Terminal)
