ArticleChemistrySelect2016
Conformational Shift of a β-Hairpin Peptide upon Complex Formation with an Oligo-proline Peptide Studied by Mass Spectrometry.
Article in ChemistrySelect, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
- Photodissociative Cross-Linking of Non-covalent Peptide-Peptide Ion Complexes in the Gas Phase.Journal of the American Society for Mass Spectrometry · 2018Article
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Authors and funding
8 authors.
Funding
Abstract
So-called super-secondary structures such as the β-hairpin, studied here, form an intermediate hierarchy between secondary and tertiary structures of proteins. Their sequence-derived 'pure' peptide backbone conformation is combined with 'remote' interstrand or interresidue contacts reminiscent of the 3D-structure of full-length proteins. This renders them ideally suited for studying potential nucleation sites of protein folding reactions as well as intermolecular interactions. But β-hairpins do not merely serve as model systems; their unique structure characteristics warrant a central role in structural studies on their own. In this study we applied photo cross-linking in combination with high-resolution mass spectrometry and computational modeling as well as with ion mobility-mass spectrometry to elucidate these structural properties. Using variants of a known β-hairpin representative, the so-called trpzip peptide and its ligands, we found evidence for a conformational transition of the β-hairpin and its impact on ligand binding.
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