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It is important to study non-specific interaction between immobilized biomolecule and interferential proteins for biosensor development and commercialization. The advances in Bioinformatics and computer technology light up the in-depth understand of biological interaction. We use two different protein-protein docking program to simulate the non-specific interaction between ampicillin antibody and HSA (Human Serum Albumin). To evaluate the association probability of antibody active site, different amino acid chains and a well-known specific immune-complex were used to simulation. The result showed that the cluster density of non-specific interaction is smaller than specific interaction between lysozyme and antibody, and dock scores are scattered. The antibody active site is favourable to be influenced by non-specific protein interaction. The interaction strength of special manner was different in specific and non-specific bindings. It provides a probability for detection conditions adjusting improved in control non-specific adsorption of biosensor analytical process.
Date of Conference: 23-26 Sept. 2010