Abstract
The detection of nucleic acids that are present in atypical conformations is a crucial trigger of the innate immune response. Human Z-DNA binding protein 1 (ZBP1) is a pattern recognition receptor that harbors two Zα domains that recognize Z-DNA and Z-RNA. ZBP1 detects this alternate nucleic acid conformation as foreign, and upon stabilization of these substrates, it triggers activation of an immune response. Here, we present the backbone chemical shift assignment of a construct encompassing the Zα1 and Zα2 domains as well as the interconnecting linker of ZBP1. These assignments can be directly transferred to the isolated Zα1 and Zα2 domains, thereby demonstrating that these domains maintain virtually identical structures in the tandem context.
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