S100B, a small acidic calcium-binding protein, is a member of the S100 protein family and is a multifunctional protein capable of binding several target molecules, such as cytoskeletal proteins and protein kinases, in a calcium-dependent manner. S100B is a homodimer of S100 beta subunits (beta beta) with a total of four calcium-binding motifs called EF hands ...
S100B, a small acidic calcium-binding protein, is a member of the S100 protein family and is a multifunctional protein capable of binding several target molecules, such as cytoskeletal proteins and protein kinases, in a calcium-dependent manner. S100B is a homodimer of S100 beta subunits (beta beta) with a total of four calcium-binding motifs called EF hands. S100B is found abundantly in nervous tissue and has been implicated in Alzheimer's disease and Down's syndrome. Structural analysis of S100B in the calcium-bound state is required to gain a better understanding of the conformational changes that occur to S100B upon calcium binding and to elucidate the mode of recognition between S100B and its target molecules.
Related Citations:
The Refined Structure of Vitamin D-Dependent Calcium-Binding Protein from Bovine Intestine. Molecular Details, Ion Binding, and Implications for the Structure of Other Calcium-Binding Proteins Szebenyi, D.M., Moffat, K. (1986) J Biol Chem 261: 8761
Organizational Affiliation:
Department of Applied Chemistry, Faculty of Engineering, Osaka University, Japan.
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