Crystal structure of a complex of NOD1 CARD and ubiquitin.
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ABSTRACT: The Caspase Recruitment Domain (CARD) from the innate immune receptor NOD1 was crystallized with Ubiquitin (Ub). NOD1 CARD was present as a helix-swapped homodimer similar to other structures of NOD1 CARD, and Ub monomers formed a homodimer similar in conformation to Lys48-linked di-Ub. The interaction between NOD1 CARD and Ub in the crystal was mediated by novel binding sites on each molecule. Comparisons of these sites to previously identified interaction surfaces on both molecules were made along with discussion of their potential functional significance.
SUBMITTER: Ver Heul AM
PROVIDER: S-EPMC4134136 | biostudies-literature | 2014
REPOSITORIES: biostudies-literature
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