Peptide Modifications

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Peptide Modifications

LifeTein provides a wide range of peptide modification services.

Click here to download the LifeTein Peptide Modification Full List

N Terminus
  • {Ac},Acetylation (Free)
  • {For}, Formylation
  • {Fmoc},9-Fluorenylmethyloxycarbonyl
  • {Suc},succinyl;{MeO-Suc}
  • {Cl-Ac},Chloroacetyl
  • {Mal}, Maleimide
  • {CBZ},Benzyloxycarbonyl
  • {Br-Ac},Bromoacetyl
  • Nitrilotriacetyl
  • {Boc},tertbutoxycarbonyl
  • {HPP},4-Hydroxyphenylpropionic acid
  • {LA}, Lipoic acid
  • {mPEG2000}, {mPEG3000}, {mPEG5000}, Mal-PEG12
  • {Alloc},allyloxycarbonyl
  • {Boc},tertbutoxycarbonyl
  • {But}, Butyric acid
  • {Hex}, Hexanoic acid
  • {Oct}, Octanoic acid
  • {Dec}, Decanoic acid
  • {Pal}, Palmitic acid
  • {Ste}, Stearic acid
  • {Myr}, Myristic acid
  • {Lau}, Lauric acid
  • More...
  • {NH2}, Amidation (Free)
  • {CHO}, Peptide Aldehydes
  • {OL}, Alcohol Peptide
  • {CMK}, Chloromethylketone
  • {AMC},7-Amino-4-Methylcoumarin
  • {pNA},p-Nitroaniline
  • {-ONP}, para-nitrophenol
  • {-OSu}, hydroxysucinimide ester
  • ED, {AFC}, -OMe,-OtBu
  • {FMK}, Fluoromethylketone
  • {Cya}, Cysteamide
  • More...
  • {D-Ala}
  • {D-Arg}
  • {D-Asp}
  • {D-Asn}
  • {D-Cys}
  • {D-Glu}
  • {D-Gln}
  • {D-His}
  • {D-Allo-Ile}
  • {D-Leu}
  • {D-Lys}
  • {D-Met}
  • {D-Pro}
  • {D-Phe}
  • {D-Ser}
  • {D-Tyr}
  • {D-Thr}
  • {D-Trp}
  • {D-Val}
  • More...
  • {Cys(Cam)}
  • {D-Cys(Cam)
  • {Cys(Acm)}
  • {Cys(tBu)}
  • {Cys(StBu)}
  • {Cys(Nitosothiols)}
  • {Cys(Pyrene-Maleimide)}
  • {Gamma-Glu}
  • {D-Gamma-Glu}
  • {Beta-Asp}
  • {D-Beta-Asp}
  • {Met(O)}
  • {D-Met(O)}
  • {Lys(Ac)}
  • {Ac-Lys}
  • {Lys(Dde)}
  • {Gly(allyl)}
  • {D-Gly(allyl)}
  • {Cpg}, Cyclopentylglycine
  • {Tle}
  • {Ser(Octanoic acid)}
  • {Ser(Lipoic acid)}
  • {D-Ser(Octanoic acid)}
  • {3-Ala(2-thienyl)-OH}
  • {3-Ala(3-thienyl)-OH}
  • {Aib}
  • {Abu}
  • {D-Abu}
  • {Hyp}
  • {Phg}
  • {D-Phg}
  • {Nva}
  • {D-Nva}
  • {Nle}
  • {D-Nle}
  • {Cit}
  • {D-Cit}
  • {Orn}
  • {D-Orn}
  • {Pen}
  • {D-Pen}
  • {Cha}
  • {D-Cha}
  • {Chg}
  • {D-Chg}
  • {Dab}
  • {Dap}
  • {Pra}
  • {D-Pra}
  • {Allo-Thr}
  • {D-Allo-Thr}
  • More...
  • Biotin (N terminus)
  • DeThioBiotin
  • EDBiotin (C terminus)
  • Lys(Biotin) (middle)
  • Lys(Biotin) (C terminus)
  • Lys(LC-Biotin) (middle)
  • Lys(LC-Biotin) (C terminus)
  • Lys(Biotin) (N terminus)
  • Biotin-LC (N terminus)
  • FITC (N terminus)
  • Lys(FITC) (middle)
  • Lys(FITC) (C terminus)
  • Lys(FITC) (N terminus)
  • FITC-LC (N terminus)
  • 5-FAM (N terminus)
  • 6-FAM (N terminus)
  • Lys(5-FAM) (middle)
  • Lys(5,6-FAM)
  • Lys(5-FAM) (C terminus)
  • Lys(5-FAM) (N terminus)
  • 5-FAM-LC (N terminus)
  • Dansyl (N terminus)
  • EDDansyl (C terminus)
  • Lys(Dansyl) (middle)
  • Lys(Dansyl) (C terminus)
  • Lys(Dansyl) (N terminus)
  • Dansyl-LC (N terminus)
  • TAMRA (N terminus)
  • 5(6)-TAMTA-
  • EDTAMRA (C terminus)
  • Lys(TAMRA) (middle)
  • Lys(TAMRA) (C terminus)
  • Lys(TAMRA) (N terminus)
  • TAMRA-LC (N terminus)
  • Lys(Dnp) (middle)
  • D-Lys(Dnp) (middle)
  • Dab(Dnp) (middle)
  • Dap(Dnp) (middle)
  • EDDnp (C terminus)
  • MCA (N terminus)
  • Lys(MCA) (middle)
  • Lys(MCA) (C terminus)
  • Lys(MCA) (N terminus)
  • 3-Indolylacetic acid (N terminus)
  • Cys(Npys) (N terminus)
  • PyBA- (N terminus), 1-pyrenebutyric acid
  • Lys(PyBA)
  • Fa- (N terminus), 3-[2-2furyl]acrylic acid
  • Rhodamine B- (N terminus)
  • Lys(Rhodamine B)
  • Fluorophore Absorption and Emission Peak Values
  • More...
  • {Gly}, 2 Carbons
  • {Beta-Ala}, 3 Carbons
  • {GABA}, 4 Carbons
  • {Ava}, 5 Carbons
  • {Ahx}, 6 Carbons
  • {AEA},Aminoethoxyacetic Acid
  • {Mini-PEG}, 9 Carbons
  • {Mini-PEG2}, 13 Carbons
  • {Mini-PEG3}, 16 Carbons
  • {ANP Linker}
  • More...
  • {Cys(Me)}, SMC
  • {ADMA},{Arg(Me)2} asymmetrical
  • {SDMA},{Arg(Me)2} symmetrical
  • {Arg(Me)}
  • {Thr(Me)}
  • {Ser(Me)}
  • {Lys(Me)}
  • {Lys(Me2)}
  • {Lys(Me3)}
  • {L-1-Me-Trp}
  • {L-2-Me-Trp}
  • {D-2-Me-Trp}
  • {Tyr(Me)}
  • {Tyr(Et)}
  • {D-Tyr(Et)}
  • {Orn(Me)3}
  • {N-Me-Gly}, Sar
  • {N-Me-Ser}
  • {N-Me-Tyr}
  • {N-Me-Thr}
  • {N-Me-Asp}
  • {N-Me-Glu}
  • {N-Me-Ala}
  • {N-Me-Phe}
  • {N-Me-Leu}
  • {N-Me-Ile}
  • {N-Me-Val}
  • {N-Me-Met}
  • {N-Me-Nle}
  • {N-Me-Nva}
  • More...
  • {pSer}
  • {D-pSer}
  • {pTyr}
  • {D-pTyr}
  • {pThr}
  • {D-pThr}
  • 2, 3 or 4 phosphorylation sites in the sequence
  • More...
  • Up to 10 Free Aliquots (Why Aliquot?)
  • Free HPLC Data
  • Free MS Data
  • Free Certificate Of Analysis (COA)
  • Convert from TFA Salt to Acetate Salt or Hydrochloride Salt
  • Amino Acid Analysis
  • %N, Elemental Analysis
  • Solubility Test
  • Bioburden
  • Water Content
  • Bacterial Endotoxins
  • More...

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