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Custom Peptides

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To request a custom peptide quote, please provide amino acid sequence and modifications, quantity (mg), and purity(Desalted, >75%, >80%, >90%, >95%, >98%).

N-Terminal Peptide Modifications

  • 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)

C-Terminal Custom Peptide Modifications

  • Amidation (C-Terminal)
  • Ethylamine (C-Terminal)
  • Methyl ester (C-Terminal)
  • Thioester (C-Terminal)
  • Acryl (C-Terminal)
  • AMC (C-Terminal)
  • pNA (p-Nitroanilide, C-Terminal)
  • NHS (OSu, C-Terminal)

Other Amino Acid Custom Peptide Modifications

  • Phosphorylation -Tyr,Ser, Thr (1st Site)
  • Phosphorylation -Tyr,Ser, Thr (2nd Site)
  • Phosphorylation -Tyr,Ser, Thr (3rd Site)
  • Lys(Me2)
  • Arg(Me2)
  • Lys(Ac), Cys(Ac)
  • Dinitrobenzoylation(Lys)
  • Ser(Octanoic acid)
  • Cys(Acm)
  • Cys(tBu)
  • Lys(Fmoc)
  • Met(O), Ser(Ac)
  • Tyr(Nitrated), Tyr(OEt), K(Acryl)

Fluorescence/Dye Custom Peptide Modifications

  • Biotin (N-Terminal, w or w/o Ahx)
  • Biotin (via side chain of Lys)
  • FITC/5-FAM (N-Terminal, w or w/o Ahx)
  • FITC/5-FAM (C-Terminal, via side chain of Lys)
  • Dansyl (N-Terminal, w or w/o Ahx)
  • TAMRA (N-Terminal)
  • TAMRA (C-Terminal, via side chain of Lys)
  • MCA (N-Terminal)
  • HYNIC (N-Terminal)
  • DTPA (N-Terminal)

Isotope Labeled amino acid

Quenched Fluorescent Peptide

  • Abz/Tyr(3-NO2)
  • EDANS or DABCYL

Cyclic Custom Peptides

  • Disulfidebridge-1st
  • Disulfidebridge-2nd
  • Disulfidebridge-3rd
  • Amide cyclic (Side chain-end, head-tail)

MAP System

  • Asymmetric 4 branches
  • Asymmetric 8 branches

Special Amino Acids

  • D-Ala, D-Phe, D-Met, D-Pro, D-Leu, D-Val, Beta-Ala, pGlu, Hyp, D-Ile
  • D-Arg, D-Asp, D-Cys, D-Glu, D-Thr, D-Asn, D-Gln, D-Ser,D-His, D-Trp, D-Lys, D-Tyr, D-Orn, (D)1-Nal, (D)2-Pal, (D)4-Cl-Phe, Orn, Abu, Aib, Nva, Nle, Hse, Hcy, Mpa, Pen
  • N-Methyl amino acid (Ala,Phe,Leu,Ile,Val,Gly,Met)
  • Other amino acids

Conjugation/Carriers

  • BSA (1-10mg)
  • KLH (1-10mg)
  • OVA (1-10mg)

Related Services

  • Amino Acid Analysis
  • Synthetic Peptide Content Analysis (nitrogen estimation)
  • TFA Salt Content Analysis
  • Aliquot, Free for up to 5 vials