United BioSystems Inc - Peptide Synthesis Expert with this month special 30% off

Peptide Modifications.

United Peptide provides a wide range of peptide modification services including but not limited to the followings:


N-Terminus
  • Acetylation
  • Fmoc
  • Z(CBZ)
  • Bz
  • Br-Ac-
  • Formylation
  • Fatty acid
  • Myristic acid
  • Palmytolyl
  • Suc
  • {HPP}
  • {Mpa}
  • {pGlu}
  • DL-Lipoic acid
  • {Maleoyl-b-Ala}
  • Alloc
  • Boc
  • Stearic acid
C-Terminus
  • Amidation
  • pNA
  • AMC
  • CMK
  • FMK
  • Cysteamide
C terminus ended amino acids: Ala, Gly, Met, Leu, Ile, Phe, Pro, Val
  • -OMe
  • -OEt
  • -OBzl
  • -OtBu
  • -TBzl
  • -NHMe
  • -NHEt
  • -NHisopen
C terminus ended amino acids: Lys, Gln, Asn, Cys, His, Arg, Ser, Thr, Tyr, Trp, Asp, Glu
  • -OMe
  • -OEt
  • -OBzl
  • -OtBu
  • -TBzl
  • -NHMe
  • -NHEt
  • -NHisopen
Special amino acid
  • {D-Ala}
  • {D-Leu}
  • {D-Met}
  • {D-Pro}
  • {D-Phe}
  • {D-Val}
  • {Hyp}
  • {Phg}
  • {D-Arg}
  • {D-Cys}
  • {D-Asp}
  • {D-Asn}
  • {D-Glu}
  • {D-Ser}
  • {D-His}
  • {D-Tyr}
  • {D-Thr}
  • {D-Trp}
  • {D-Lys}
  • {Abu}
  • {Aib}
  • {Nva}
  • {D-Nva}
  • {Nle}
  • {D-Nle}
  • {Cit}
  • {Orn}
  • {Lys(Ac)}
  • {Cys(Me)}, SMC
  • {Cys(Cam)}
  • {Cys(Acm)}
  • {Cys(tBu)}
  • {Hse}
  • {Hcy}
  • {D-Pen}
  • {Cha}
  • {D-Cha}
  • {Chg}
  • {D-Chg}
  • {D-1-Nal}
  • {L-1-Nal}
  • {D-2-Nal}
  • {L-2-Nal}
  • {D-2-Pal}
  • {L-2-Pal}
  • {D-3-Pal}
  • {L-3-Pal}
  • {D-4-Pal}
  • {L-4-Pal}
  • {D-4-Cl-Phe}
  • {L-4-Cl-Phe}
  • {D-4-F-Phe}
  • {L-4-F-Phe}
  • {D-4-NO2-Phe}
  • {L-4-NO2-Phe}
  • {D-4-I-Phe}
  • {L-4-I-Phe}
  • {Beta-Asp}
  • {Gamma-Glu}
  • {D-Ile}
  • {D-Orn}
  • {D-Gln}
  • {D-Cit}
  • {Dab}
  • {Dap}
  • {D-Beta-Asp}
  • {D-Gamma-Glu}
  • {Cpg}
  • {Pra}
  • {D-Pra}
  • {Gly(allyl)}
  • {D-Gly(allyl)}
  • {D-Hse}
  • {Pen}
  • {Har}
  • {HPh}
  • {Met(O)}
  • {Met(O)2}
  • {Tyr(Me)}
  • {4-NH2-Phe}
  • {Thr(Me)}
  • {Ser(Me)}
  • {Ac-Lys}
  • {D-4-NH2-Phe}
  • {Lys(Alloc)}
  • {Lys(Me2)}
  • {Lys(Dde)}
  • {Lys(Me)}
  • {Lys(Me3)}
  • {Ser(octanoic acid)}
  • {D-2-Me-Trp}
  • {Arg(Me)}
  • {Arg(Me)2} asymmetrical
  • {Arg(Me)2} symmetrical
SpacerLinker
  • {Mini-PEG}
  • {Ava}, C5
  • {Ahx}, C6
  • {GABA}, C4
  • {Beta-Ala}, C3
  • {Gly}, C2
N-Methyl amino acid
  • {N-Me-Ala}
  • {N-Me-Phe}
  • {N-Me-Leu}
  • {N-Me-Ile}
  • {N-Me-Val}
  • {N-Me-Met}
  • {N-Me-Nle}
  • {N-Me-Nva}
  • {N-Me-Gly}, Sar
  • {N-Me-Ser}
  • {N-Me-Tyr}
  • {N-Me-Thr}
  • {N-Me-Asp}
  • {N-Me-Glu}
Phosphorylation
  • {pSer}
  • {pTyr}
  • {pThr}
  • Di-sites in sequence
  • Tri-sites in sequence
  • {D-pSer}
  • {D-pTyr}
  • {D-pThr}
Fluorescence/Dye Labeling
  • Biotin (N-Terminal)
  • Biotin-LC (N-Terminal)
  • 3-Indolylacetic acid (N-Terminal)
  • FITC (N-Terminal)
  • FITC-LC (N-Terminal)
  • 5-FAM (N-Terminal)
  • 5-FAM-LC (N-Terminal)
  • Dansyl (N-Terminal)
  • Dansyl-LC (N-Terminal)
  • MCA (N-Terminal)
  • TMR (N-Terminal)
  • Lys(Biotin) (middle)
  • Lys(Biotin) (C temrinus)
  • Lys(FITC) (middle)
  • Lys(5-FAM) (middle)
  • Lys(5-FAM) (C temrinus)
  • Lys(Dansyl) (middle)
  • Lys(Dansyl) (C temrinus)
  • Lys(TMR) (middle)
  • Lys(TMR) (C temrinus)
  • {Lys(Dnp)} (middle)
  • EDBiotin (C terminus)
  • EDDnp (C terminus)
  • {Lys(Maleimide)} (middle)
  • Lys(Pal) (middle)
  • Lys(Biotin) (N terminus)
  • Lys(Pal) (N-Terminus)
  • Lys(FITC) (N terminus)
  • Lys(5-FAM) (N-Terminus)
  • Lys(Dansyl) (N-Terminus)
  • Lys(TMR) (N-terminus)
Cyclic peptide
  • Mono Disulfide bridge
  • Double Disulfide bridge
  • Triple Disulfide bridge
  • Same Seq. Inter-Disulfide bridge
  • Different Inter-Disulfide bridge
  • Amide cyclic (end)
  • Amide cyclic (Side chain)
Quenched fluorescent peptide
  • Abz/ Tyr (3-NO2)
  • Abz
  • Tyr (3-NO2)
  • Glu(EDANS)-NH2
  • DABCYL
  • DABCYL/Glu(EDANS)-NH2
MAPS and Carrier Complex
  • Asymmetric 2 Branches (Pure)
  • Asymmetric 4 Branches (Crude)
  • Asym metric 8 Branches (Crude)
  • Glu 2 Branches (Pure)
  • n-mer Branch peptide on Lys side chain (Pure)
  • KLH-Peptide
  • BSA-Peptide
  • OVA-Peptide
Others
  • Aliquoting
  • GMP Clean Room Process
  • Amino Acid Analysis (AAA)
  • N elemental Analysis
  • Solubility test
  • Microbial analysis
  • Water content (Karl Fischer)
  • Acetate Content (HIPC)
  • Maldi-Tof MS
  • Endotoxin analysis
  • Switch salt

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  • info@UnitedPeptide.com
  • 1-800-549-9126
  • Request a Free Quote

Special Promotion

Special Discount

Winter Special
30% Discount.


Promotion Code: BEST30.

We Guarantee

We guarantee the quality of each and every peptide produced. All purified peptides will be delivered with the MS/HPLC reports.

Our Capabilities

- Length: 2 to 200mer
- Success Rate: > 99%
- Purity: from Crude to 98%
- Scale: from 1mg to 5,000mg