ArticleScientific reports2018
Isolation and characterization of a minimal building block of polyubiquitin fibrils.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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
1 citing paper in PubMed, 0 citations in OpenAlex.
- Cosolutes Modulate Polyubiquitin Fibrillation.ACS omega · 2026Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
As a posttranslational modifier, polyubiquitin is involved in the regulation of diverse intracellular processes; however, it is also found in pathological protein aggregates associated with Alzheimer's disease and other neurodegenerative disorders. We previously observed that various types of polyubiquitin can form amyloid-like fibrils; however, the structural properties of these polyubiquitin fibrils have not been examined at an atomic level. Here we demonstrate that a soluble intermediate species can be extracted from disulfide-conjugated diubiquitin fibrils after cleaving the disulfide bonds in the fibrils. This newly discovered molecule is structurally and physicochemically distinguishable from native ubiquitin. In addition, it is thermodynamically metastable, as demonstrated by real-time NMR measurements. Collectively, our results suggest that the fibril-derived molecule is a minimal building block of polyubiquitin fibrils that reflects their structural and physicochemical properties.
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