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RTG 2467: Dissecting the structural role of disorder in protein interactions using an integrative computational approach
Projektbearbeiter:
M.Sc. Lisa Schmidt, M.Sc. Ioannis Skalidis, M.Sc. Toni Traeger, M.Sc. Marija Sorokina
Finanzierung:
Deutsche Forschungsgemeinschaft (DFG) ;
Summary:
Background: Challenging biomolecular questions often require the integration of multiple experimental methods to obtain a comprehensive understanding. However, current computational algorithms have difficulty integrating data from flexible regions, such as intrinsically disordered regions (IDRs), because they have large conformational freedom. This limitation hinders the modelling of biomolecular interactions at the atomic level and limits our physicochemical understanding of flexible protein interactions.
Preliminary work: In a four-year research project, we investigated the structural role of flexibility and disorder in protein interactions, focusing on IDRs in enzymes and their complexes. Our approach was to use spatial occupancy data of disordered regions as a constraint in biomolecular docking. At the same time, we conducted experimental studies of disordered regions in large biomolecular assemblies to optimise the development of this "spatial occupancy constraint".
Objectives: The main objectives of our research were to advance the modelling of biomolecular complexes by considering flexible regions, to investigate the organisation of ordered domains facilitated by disordered regions, and to explore their relationship with the activity and function of active sites associated with these unstructured linkers.
Methods: We have used an integrative computational approach to study disordered regions of enzymes and their complexes using spatial occupancy constraints derived from experimental data. In addition, we have performed experimental studies of disordered regions in large biomolecular assemblies.
Implications: Our research has provided important insights into the structural role of flexibility and disorder in protein interactions. This knowledge has profound implications for understanding the organisation and function of biomolecular complexes, including metabolite availability, ribosome dynamics and catalytic processes in large enzymatic complexes. Our work has led to numerous publications, with specific contributions to the understanding of protein conformation, protein-protein interactions and complex assembly.
Alignment with the Sustainable Development Goals : Our research is aligned with several Sustainable Development Goals (SDGs). In particular, it contributes to SDG 3 (Health and Wellbeing) by improving our understanding of biomolecular interactions, which can lead to the development of better healthcare solutions. It also supports SDG 9 (Industry, Innovation and Infrastructure) by advancing computational methods and experimental techniques in the field of structural biology. In addition, our project promotes education and scientific career development, contributing to SDG 4 (Quality Education) and SDG 8 (Decent Work and Economic Growth).Collaboration is an important aspect of our research and promotes SDG 17 (Partnerships for the Goals).Our collaboration with students, post-docs and alumni has facilitated knowledge dissemination and sharing of expertise, promoting scientific discovery and innovation.
Our integrative computational approach to analysing the structural role of flexibility in protein interactions is a crucial step towards a deeper understanding of the molecular mechanisms underlying flexible protein interactions and their broader implications for biological processes and human health.

Geräte im Projekt

Publikationen

2023
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2021
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2020
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Kontakt

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