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Death Domain of Tumor Necrosis Factor Receptor 1-Associated Death Domain protein Death domain (DD) of TRADD (TNF Receptor 1-Associated Death Domain or TNFRSF1A-associated via death domain) protein. TRADD is a central signaling adaptor for TNF-receptor 1 (TNFR1), mediating activation of Nuclear Factor -kappaB (NF-kB) and c-Jun N-terminal kinase (JNK), as well as caspase-dependent apoptosis. It also carries important immunological roles including germinal center formation, DR3-mediated T-cell stimulation, and TNFalpha-mediated inflammatory responses. In general, DDs are protein-protein interaction domains found in a variety of domain architectures. Their common feature is that they form homodimers by self-association or heterodimers by associating with other members of the DD superfamily including CARD (Caspase activation and recruitment domain), DED (Death Effector Domain), and PYRIN. They serve as adaptors in signaling pathways and can recruit other proteins into signaling complexes. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",