ArticleComputational and structural biotechnology journal2022
Structural studies of the coiled-coil domain of TRIM75 reveal a tetramer architecture facilitating its E3 ligase complex.
Article in Computational and structural biotechnology journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Ubiquitin E3 ligase activity in TRIpartite Motif (TRIM) family proteins.Biochemical Society transactions · 2026Review
- Oligomerization regulates the interaction of Gemin5 with members of the SMN complex and the translation machinery.Cell death discovery · 2024Article
- TRIM56 coiled-coil domain structure provides insights into its E3 ligase functions.Computational and structural biotechnology journal · 2023Article
- Understanding GEMIN5 Interactions: From Structural and Functional Insights to Selective Translation.Wiley interdisciplinary reviews. RNAReview
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8 authors.
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Abstract
Protein ubiquitination plays a vital role in controlling the degradation of intracellular proteins and in regulating cell signaling pathways. Functionally, E3 ubiquitin ligases control the transfer of ubiquitin to the target substrates. As a major family of ubiquitin E3 ligases, the structural assembly of RING E3 ligases required to exert their ubiquitin E3 ligase activity remains poorly defined. Here, we solved the crystal structure of the coiled-coil domain of TRIM75, a member of the RING E3 ligase family, which showed that two disulfide bonds stabilize two antiparallel dimers at a small crossing angle. This tetrameric conformation confers two close RING domains on the same side to form a dimer. Furthermore, this architecture allows the RING dimer to present ubiquitin to a substrate on the same side. Overall, this structure reveals a disulfide bond-mediated unique tetramer architecture and provides a tetrameric structural model through which E3 ligases exert their function.
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