| Common Peptide | Modifications |
| N-acetylation | C-amidation |
| Benzyloxycarbonylation (N-Terminal) | Biotin(N, C terminal and Side chain) |
| Phosphorylation-Serine | Phosphorylation-Tyrosine |
| Phosphorylation-Threonine | Chenodeoxycholic acid (N-Terminal) |
| Formylation (N-Terminal) | Dansylation |
| Cyclization Disulfide bridge -one Disulfide bridges -two Disulfide bridges -three intermolecular Disulfide bridge thioester bond cyclic peptide Amide cyclic (head to tail, side chain to tail , head to side chain , Asp to Lys, Glu to Lys) |
Palmytolic acid (N-Terminal) |
| Succinylation | Myristic acid (N-Terminal) |
| Fatty acid (N-Terminal) | Thioglycollic acid (N-Terminal) |
| Acryl (N-Terminal) | D(+)Glucose (N-Terminal) |
| Glu(NHC14H29)2 (C terminal) | methyl ester (C terminal) |
| Guanidine (C terminal) | Ethylamine (C terminal) |
| Methylamine (C terminal) | PEGylation |
| Peptide Aldehyde | Glycosylation (Thr, Ser) |
| Flourescence Dye | Labeling |
| Tetramethylrhodamine、5(6)-TAMRA | Fluorescein |
| FITC | Carboxy Fluoresein |
| FAM (5-FAM, 6-FAM, 5(6)-FAM) | Dansyl |
| Texas red N-terminal | |
| Peptide Conjugation to | Carrie Protein |
| KLH | BSA |
| OVA | |
| Others | |
| MCA (N-Terminal) | p-Nitroanilide(pNA, C-Terminal) |
| AMCA (C-Terminal) | |
| Lys (Me) | Lys (Me)2 |
| Lys (Me)3 | Reduced amide bond |
| Special Amino Acids and Side Chain | Modification |
| D-form amino acids | N-Methyl amino acid (Ala, Phe, Leu, Ile, Val, Gly, Met) |
| pGlu, Hyp , Orn, Abu, Aib, (D)1-Nal, (D)2-Pal, (D)4-Cl-Phe, Nva, Nle, Hse, Hcy, Pen, Mpa, D-βNal、Dpr, Harg | Phosphorylation (Tyr, Ser, Thr), Tyr(PO3H2), Thr(PO3H2), Ser(PO3H2), |
| Lys(Me)2, Lys(Me), Lys(Me)3, Arg(Me2), Lys(Ac), Lys(Fmoc), Lys(Biotin) Lys(DNP), Lys(ivDde) | Tyr(nitrated), Tyr(OEt) |
| Cys(Cam) (carbamidomethylated) | K(Acryl), K(Cbz) |
| Met(O), Ser(Ac) | |
| Glu(Biotin), Asp(Biotin), His(Biotin) Thr(Biotin), Ser(Biotin), Tyr(Biotin) |
Tyr(SO3H2) HYNIC (N-Terminal) |
| Isotope-labeled amino acids(H2, C13, N15) | |
| Long | Peptide |
| Up to 70 mer | |
| Peptide | Library |
| Peptide Library Multiple Antigenic | Peptide System |
| Asymmetric 4 branches | Asymmetric 8 branches |
| Peptide Nucleic | Acid |
| Custom Organic | Synthesis |
