Peptide Modifications
Our workers are experienced in the synthesis of high quality peptides with
various modifications, below is a partial list of peptide modification we offer. For modification not
found in the list, please email us for a quote.
| Common Modificaitons | Price(USD) | Fluorescence dyes and FRET | Price(USD) |
| Acetylation, N-terminal | Free | FITC (fluorescein), N-terminal | $150 |
| Amide, C-terminal | Free | FITC, C-terminal or Lys side chain | $250 |
| Biotin, N-terminal | $50 | Dansyl, N-terminal | $150 |
| Biotin, C-terminal or Lys side chain | $150 | MCA, N-terminal | $150 |
| CBZ (Benzyloxycarbonylation) | 1 residue |
MCA, N-terminal/Dnp, Lys side chain |
$200 |
| Phosphorylation (Ser, Thr, Tyr) | $125 | Dnp, Lys side chain | $50 |
| D-amino acid | $50 | Abz, N-terminal | $150 |
| Myristylation, N-terminal | $65 | Abz/PNBA | $200 |
| pGlu (pyroglutamate), N-terminal | $30 | EDANS or DABCYL | $350 |
| AMC,, C-termimal | $125 | ||
| Conjugation | Price(USD) | Cyclization | Price(USD) |
| BSA | $150 | Disulfide bond (1) | $150 |
| KLH | $150 | Disulfide bond (2) | $300 |
| OVA | $150 | Disulfide bond (3) | $1,500 |
| MAP | $150 | Amide bond | $600 |
| Fatty Acid, N-terminal | Price(USD) | ||
| Lauric acid | $65 | ||
| Myristic acid | $65 | ||
| Palmitic acid | $65 | ||
| Stearic acid | $65 | ||
| Other Modifications | Price(USD) | Other Modifications | Price(USD) |
| 4-hydroxyproline | $50 | DTPA, N-terminal | $275 |
| 5-carboxyfluorescein | $150 | EDANS linked to the side chain of E residue | $350 |
| 5'-FAM, N-terminal | Quote us | FLN | $125 |
| 6-aminohexanoyl | 1aa | Gaba | Free |
| 7-MethoxyCoumarin, N-terminal | $200 | HEL, C-terminal | $240 |
| Acetylation, Lys side chain | $50 | Hydroxyproline | $50 |
| Aha(aminohexanoic acid) | 1aa | HYNIC, N-terminal | $275 |
| Aib (amino isobutiric acid) | $75 | K(me) mono-methylated Lysine | $325 |
| Alpha-aminoisobutyric | $75 | K(me)2 di-methylated Lysine | $175 |
| Aminooxy, N-terminal | $100 | K(me)3 tri-methylated Lysine | $350 |
| AOAA (amino-oxyacetic acid) | $75 | MAP(4 Branches,<20mg) | $500 |
| Boc, N-terminal | Free | NVOC(nitroveratryloxycarbonyl) | $250 |
| Bpa (p-benzoylphenylalanine) | $175 | Ornithine | $150 |
| Br (hydrogen) any where | $20 | p-benzoylphenylalanine | $175 |
| Bromoacetyl | $175 | PNA, (p-Nitroanilide) | $125 |
| BtLC (6-biotinamidohexanoyl) | $75 | Rhodamine, N-terminal | $175 |
| C(Npys) | $75 | Stearate(Octadecanoic acid) | $75 |
| CHO/Formylation, N-terminal | $80 | Succinylation (Suc, N-Terminal) | $50 |
| CIT(citrulline) | 2 residues | Thioester, C-terminal | $350 |
| Cys(acm), Cys(tBu) | $75 | Thyroxine (T4) | $125 |
