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Diversity in lipid A binding ligands: comparison of lipid A monoclonal antibodies with rBPI23
B J Appelmelk1, A Y Qing, E J Helmerhorst
1Free University, Department of Medical Microbiology, Amsterdam, The Netherlands.
1. Mabs with a high affinity for free lipid A do not bind when it is covalently linked, i.e. in the form of LPS. 2. Lipid A-binding Mabs may be divided into three categories: I. Monoreactive Mabs that bind to the hydrophillic backbone of lipid A II. Polyreactive Kdo Mabs III. Polyreactive Mabs that bind by hydrophobic interactions 3. rBPI23 binds either free or covalently linked lipid A.
1. Mabs with a high affinity for free lipid A do not bind when it is covalently linked, i.e. in the form of LPS. 2. Lipid A-binding Mabs may be divided into three categories: I. Monoreactive Mabs that bind to the hydrophillic backbone of lipid A II. Polyreactive Kdo Mabs III. Polyreactive Mabs that bind by hydrophobic interactions 3. rBPI23 binds either free or covalently linked lipid A.