End Modification: Acetylation (N-Terminal), Acetylation (Lys), Formylation (N-Terminal), Fatty acid (N-Terminal), Myristic acid (N-Terminal), Palmytolyl (N-Terminal), Cys(Acm), Cys(tBu), Benzyloxycarbonylation (CBZ), Amidation (C-Terminal), p-Nitroanilide (pNA, C-Terminal), AMC ( C-Terminal), AFC ( C-Terminal), Succinylation (Suc, N-Terminal)

Special Amino acid: D-Ile, D-Arg, D-Cys, D-Asp, D-Asn, D-Glu, D-Gln, D-Ser, D-His, D-Thr, D-Trp, D-Lys, D-Tyr, D-Orn, Orn, Abu, Aib, (D)1-Nal, (D)2-Pal, (D)4-Cl-Phe, Nva, Nle, Hse, Hcy, Pen, Mpa, N-Methyl amino acid (Ala, Phe, Leu, Ile, Val, Gly, Met), D-Ala, D-Leu, D-Met, D-Pro, D-Val, D-Phe, pGlu, Hyp, Other amino acid, Dinitrobenzoylation (Lys), Lys(Me2), Phosphorylation (Tyr, Ser, Thr, single site), Tyr(SO3H2), Ser(octanoic acid)

Fluorescence/Dye labeling: Biotin (N-Terminal, Y/N Ahx), Biotin (Lys in sequence), Biotin (without Lys in sequence), FITC/5’or6’-FAM (N-Terminal, Y/N Ahx), Dansyl (N-Terminal, Y/N Ahx), MCA (N-Terminal), HYNIC (N-Terminal), DTPA (N-Terminal), BODIPY(N-or C-Terminal), Rhodamine B (N-Terminal),

Cyclic Peptide: Disulfide bridge 1st, Disulfide bridge 2nd, Disulfide bridge 3rd, Amide cyclic (Side chain, end), RGD peptides and others.

Quenched Fluorescent Peptide: Abz/ Tyr (3-NO2), EDANS/DABCYL, Multiple Antigenic Peptide System, Asymmetric 4 branches, Asymmetric 8 branches,

Protein Conjugation: KLH, BSA, OVA