Structural insights into calcium-bound S100P and the V domain of the RAGE complex.

ABSTRACT: The S100P protein is a member of the S100 family of calcium-binding proteins and possesses both intracellular and extracellular functions. Extracellular S100P binds to the cell surface receptor for advanced glycation end products (RAGE) and activates its downstream signaling cascade to meditate tumor growth, drug resistance and metastasis. Preventing the formation of this S100P-RAGE complex is an effective strategy to treat various disease conditions. Despite its importance, the detailed structural characterization of the S100P-RAGE complex has not yet been reported. In this study, we report that S100P preferentially binds to the V domain of RAGE. Furthermore, we characterized the interactions between the RAGE V domain and Ca(2+)-bound S100P using various biophysical techniques, including

SUBMITTER: Penumutchu SR 

PROVIDER: S-EPMC4118983 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature