Article ; Online: High-Throughput Interactome Determination via Sulfur Anomalous Scattering.
The journal of physical chemistry letters
2024 Volume 15, Issue 13, Page(s) 3478–3485
Abstract: We propose a novel approach for detecting the binding between proteins making use of the anomalous diffraction of natively present heavy elements, e.g., sulfurs, inside molecular three-dimensional structures. In particular, we analytically and ... ...
Abstract | We propose a novel approach for detecting the binding between proteins making use of the anomalous diffraction of natively present heavy elements, e.g., sulfurs, inside molecular three-dimensional structures. In particular, we analytically and numerically show that the diffraction patterns produced by the anomalous scattering of the sulfur atoms in a given direction depend additively on the relative distances between all couples of sulfur atoms. Thus, the differences in the patterns produced by bound proteins with respect to their nonbonded states can be exploited to rapidly assess protein complex formation. On the basis of our results, we suggest a possible experimental procedure for detecting protein-protein binding. Overall, the completely label-free and rapid method we propose may be readily extended to probe interactions on a large scale, thus paving the way for the development of a novel field of research based on a synchrotron light source. |
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MeSH term(s) | Crystallography, X-Ray ; Models, Molecular ; Proteins/chemistry ; Synchrotrons ; Sulfur/chemistry |
Chemical Substances | Proteins ; Sulfur (70FD1KFU70) |
Language | English |
Publishing date | 2024-03-21 |
Publishing country | United States |
Document type | Journal Article |
ISSN | 1948-7185 |
ISSN (online) | 1948-7185 |
DOI | 10.1021/acs.jpclett.3c03632 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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