ArticleProtein science : a publication of the Protein Society2024
The disordered negatively charged C-terminus of the large HECT E3 ubiquitin ligase HERC2 provides structural and thermal stability to the HECT C-lobe.
Article in Protein science : a publication of the Protein Society, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Mechanistic insights into the iron-sulfur cluster-dependent interaction of the autophagy receptor NCOA4 with the E3 ligase HERC2.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- The disordered negatively charged C-terminus of the large HECT E3 ubiquitin ligase HERC2 provides structural and thermal stability to the HECT C-lobe.Protein science : a publication of the Protein Society · 2024Article
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6 authors.
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Abstract
Homologous to the C-terminus of E6AP (HECT) and RCC1-like domain (RLD)-containing protein 2 (HERC2) is a large, 528 kDa E3 ubiquitin ligase that is associated with cancer, oculocutaneous albanism type 2, Prader-Willi syndrome, and other neurological diseases. HERC2 has been found to contribute to double-stranded DNA break repairs, tumor suppression, maintaining centrosome architecture, and ubiquitylation. The C-terminal portion of the HECT domain (C-lobe) of HERC2 is responsible for transferring ubiquitin to a substrate but the precise function of the other eight domains in HERC2 are unknown. Interestingly, HERC2 contains a unique and negatively charged C-terminal tail adjoined to the C-lobe that is predicted to act as a linker to promote interactions between HERC2 and its binding partners. This study aims to better understand the function and relevance of HERC2 in disease by investigating the structural aspects of the HERC2 C-lobe and HERC2 C-terminal tail using AlphaFold followed by molecular dynamics (MD) simulations, multidimensional nuclear magnetic resonance (NMR), and circular dichroism (CD). Secondary structure content analysis from MD simulations and the fully resonance assigned
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