ArticleFASEB journal : official publication of the Federation of American Societies for Experimental Biology2022
Structural polymorphism of coiled-coils from the stalk domain of SARS-CoV-2 spike protein.
Article in FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2022. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- A conserved oligomerization domain in the disordered linker of coronavirus nucleocapsid proteins.Science advances · 2023Article
- Structural polymorphism of coiled-coils from the stalk domain of SARS-CoV-2 spike protein.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2022Article
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Authors and funding
5 authors.
Funding
Abstract
Spike trimer plays a key role in SARS-CoV-2 infection and vaccine development. It consists of a globular head and a flexible stalk domain that anchors the protein into the viral membrane. While the head domain has been extensively studied, the properties of the adjoining stalk are poorly understood. Here, we characterize the coiled-coil formation and thermodynamic stability of the stalk domain and its segments. We find that the N-terminal segment of the stalk does not form coiled-coils and remains disordered in solution. The C-terminal stalk segment forms a trimeric coiled-coil in solution, which becomes significantly stabilized in the context of the full-length stalk. Its crystal structure reveals a novel antiparallel tetramer coiled-coil with an unusual combination of a-d and e-a-d hydrophobic core packing. Structural analysis shows that a subset of hydrophobic residues stabilizes different coiled-coil structures: trimer, tetramer, and heterohexamer, underscoring a highly polymorphic nature of the SARS-CoV-2 stalk sequence.
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