多肽修饰
  Apeptide 公司提供各种修饰,其主要的修饰方法和技术如下: 
C-端标记技术
      C端酰胺化(Amidation,C-termainal)
       醛基化(Aldehydes)
       醇基化(Alcohols)
       pNA (p-Nitroanilide)
       AMC
       AFC
       巯基乙胺化(Cysteamide)
       酯基化(Ester)
       N-烷基化(N-Alkyl Amides) 
N-端标记技术
    乙酰化Acetylated (Acetylated)
    Palmytolyl
    HYNIC
     生物素标记(Biotinylated)
    Br乙酰化(Bromoacetylated)
    螯合反应(DOTA,DTPA conjugated)
   甲醛化(Formylated)
    十四烷基,十八烷基化(Myristoylated)
    琥珀酰化、棕榈酸化、苹果酸化、脂肪酸化等(Succinylated)
荧光标记修饰
 C端修饰
       AFC, AMC, Dap(Dnp), Lys(Dye), pNA, Rh110 
 N端修饰
          Bodipy-FL, Cy3, Cy5, Texas Red, 5-Tamra, 5-lodoacetamido fluorescein
       Rhodamine 110 and Rhodamine B Luciferin, EDANS 
       FAM, FITC, MCA, Rox, Sulforhodamine 101, 5-TAMRA  
环化反应
    首尾成环,中间成环,特殊成环(N -> C or Head to Tail)
    2对二硫键,3对二硫键(Disulfide (S-S bond formation) .Trisulfide formation)
    天然产物活性肽成环(Cyclic-natural peptides 
甲基化修饰
      侧链甲基化Lys(For),Lys(Me), Lys(Me)2, Lys(Me)3, Arg(Me)2 symmetrical, D-Tyr(Me),D-Tyr(Et)
      N端甲基化(N-Me-Arg,N-Me-Asp, N-Me-Glu, N-Me-Leu, N-Me-Nle, N-Me-Nva, N-Me-Phe, N-Me-S N-                      Me-Ser, N-Me-Trp, N-Me-Thr, N-Me-Val)
几种常见的特殊修饰
      各种偶联(BSA, KLH conjugated peptides for antibody production )
      磷酸化(Phosphoserine, Phosphothreonine, Phosphotyrosine)
      磺化(Sulfated Tyrosine or Serine)
      MAPS (Multiple Antigenic Peptide) 
      糖肽(Glycopeptides)
     PEG修饰(PEGylation)