Mal-PEG4-PFP linker contains maleimide and PFP moieties. The PFP ester can be used to conjugate with amine containing proteins, oligonucleotides, and other molecules. The maleimide group reacts specifically with a thiol group to form a covalent C-S bond, enabling the bioconjugation with a thiol bearing molecules.
AxisPharm offers 5000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.