Binding and Interactions
Death-fold motifs are believed to exert their effects solely through monovalent, homotypic interactions. In these interactions death-folds bind to another death-fold containing domain through the same type of protein interaction domain. These interactions are highly specific, and there are no known interactions between different types of death-fold domains - in every known case the binding partners have homologous domain (DD-DD, CARD-CARD, DED-DED). The role of these homotypic interactions is thought to be self-assembly (Lahm). This results in large multi-subunit structures made of only one type of protein.
Read more about this topic: Death Fold
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