The AGE-RAGE in vitro Binding Assay Kit is primarily designed to screening inhibitors of AGE2 (glyceraldehyde-modified AGE)-sRAGE interaction (soluble RAGE) in vitro. In addition, this kit can be used for the rapid and sensitive evaluation of inhibitor candidates as well as characterization of AGE2-sRAGE interaction in vitro. The recombinant sRAGE used in this assay kit was specially designed for keeping the correct conformation to bind efficiently to AGE2-BSA but not to BSA, which are immobilized on the microplate surface. This technique allows us measuring the interaction of recombinant sRAGE to AGE2-BSA in a solid-phase assay system such as a conventional ELISA system.