Protein-peptide Interaction by Surface Plasmon Resonance
2013
Eiji Ishii | Yoko Eguchi | Ryutaro Utsumi
This protocol measures the protein-peptide interaction by surface plasmon resonance (SPR) using Biacore X100 (GE Healthcare). The Biacore system can monitor the direct interaction between biomolecules. There are several methods of immobilizing a ligand to the sensor chip. The optimal immobilization method for each experiment needs to be selected. In this protocol, we employed amine coupling to immobilize the protein to the carboxyl-type sensor chip. The procedure generally follows the “Instrument Handbook” of Biacore X100.
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