Journal
BIOCONJUGATE CHEMISTRY
Volume 22, Issue 9, Pages 1753-1757Publisher
AMER CHEMICAL SOC
DOI: 10.1021/bc200254u
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Funding
- MIUR
- ISS
- CARIPLO [2008-2198]
- University of Padova [prot.STPD089KSC]
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Surface immobilization of biomolecules is a fundamental step in several experimental techniques such as surface plasmon resonance analysis and microarrays. Oxime ligation allows reaching chemoselective protein immobilization with the retention of native-like conformation by proteins. Beside the need for chemoselective ligation of molecules to the immobilized molecules, even after a specific binding event. surface/particle, equally important is the controlled release of For this purpose, we have designed and assessed in an SPR experiment a peptide linker able to (i) anchor a given protein (enzymes, receptors, or antibodies) to a surface in a precise orientation and (ii) release the immobilized protein after selective enzymatic cleavage. These results open up the possibility to anchor to a surface a protein probe leaving bioactive sites free for interaction with substrates, ligands, antigens, or drugs and successively remove the probe ligand complex by enzymatic cleavage. This peptide linker can be considered both an improvement of SPR analysis for macromolecular interaction and a novel strategy for drug delivery and biomaterial developments.
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