Conbercept is a genetically engineered homodimeric protein for the treatment of wet age-related macular degeneration (wet AMD) that functions by blocking VEGF-family proteins. Its huge, highly variable architecture makes characterization and development of a functional assay difficult. In this study, the primary structure, number of disulfide linkages and glycosylation state of conbercept were characterized by high-performance liquid chromatography, mass spectrometry, and capillary electrophoresis. Molecular modeling was then applied to obtain the spatial structural model of the conbercept-VEGF-A complex, and to study its inter-atomic interactions and dynamic behavior. This work was incorporated into a platform useful for studying the structure of conbercept and its ligand binding functions. © 2013 Wu et al.
CITATION STYLE
Wu, Z., Zhou, P., Li, X., Wang, H., Luo, D., Qiao, H., … Huang, J. (2013). Structural Characterization of a Recombinant Fusion Protein by Instrumental Analysis and Molecular Modeling. PLoS ONE, 8(3). https://doi.org/10.1371/journal.pone.0057642
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