ArticleCommunications chemistry2024
Hydrogen bonding patterns and cooperativity in polyproline II helical bundles.
Article in Communications chemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- PolyProline Predictor: A web server for empirical sequence-based prediction of polyproline II helices.Protein science : a publication of the Protein Society · 2026Article
- Supramolecular Assembly of Collagen-Mimetic Peptide D-Periodic Fibrils and Nanoassemblies.Biomacromolecules · 2026Article
- ACSM5 c.1273 C> A Polymorphism Promotes Malignant Progression of Lung Adenocarcinoma in Xuanwei Region.Applied biochemistry and biotechnology · 2026Article
- The C-terminal tails of GroEL and its mitochondrial and chloroplastic homologs adopt polyproline II helices.Protein science : a publication of the Protein Society · 2025Article
- Orientation affects hydrogen bonding cooperativity in polyproline II helical bundles.Communications chemistry · 2025Article
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Authors and funding
3 authors.
Funding
Abstract
Hydrogen bond cooperativity (HBC) plays an important role in stabilizing protein assemblies built by α-helices and β-sheets, the most common secondary structures. However, whether HBC exists in other types of protein secondary structures such as polyproline II (PPII) helices remains unexplored. This is intriguing, since PPII systems as assembling blocks are continuously emerging across multiple fields. Here, using a combination of computational chemistry tools and molecular modeling corroborated by experimental observables, we characterize the distinct H-bonding patterns present in PPII helical bundles and establish that HBC stabilizes intermolecular PPII helices as seen in other protein assemblies such as amyloid fibrils. In addition to cooperative interactions in canonical CO···HN H-bonds, we show that analogous interactions in non-canonical CO···H
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