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Peptide 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

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