5)偶联修饰: BSA-Peptide N terminus BSA-Peptide C terminus BSA-Peptide Cys KLH-Peptide N terminus KLH-Peptide C terminus KLH-Peptide Cys OVA-Peptide N terminus OVA-Peptide C terminus OVA-Peptide Cys
6)二硫键以及酰胺环类修饰: Mono Disulfide bridge Double Disulfide bridge Triple Disulfide bridge Random Triple Disulfide bridge Same Seq. Inter-Disulfide bridge Different Inter-Disulfide bridge Amide cyclic (end) Amide cyclic (Side chain) Orn side chain Amide cyclic