IRTG Modern Inverse Problems (MIP)
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SSD Seminar Series with Prof. Dr. Holger Gohlke

6. Juli 2020 @ 16:00 - 17:00

Prof. Dr. Holger Gohlke –  From Protein Structure Prediction to Mechanistic Insights into Signaling and Disease Diagnostics

Jülich Supercomputing Centre, Forschungszentrum Jülich



Knowledge of protein structures is essential to understand proteins’ functions, evolution, dynamics, stabilities, and interactions and for data-driven protein- or drug design. Yet, experimental structure determination rates are far exceeded by that of next-generation sequencing, resulting in less than 1/1000th of proteins having an experimentally known 3D structure. Computational structure prediction seeks to alleviate this problem, and the Critical Assessment of Protein Structure Prediction (CASP) has shown the value of consensus and meta-methods that utilize complementary algorithms. However, traditionally, such methods employ majority voting during template selection and model averaging during refinement, which can drive the model away from the native fold if it is underrepresented in the ensemble. Here, we present TopModel, a fully automated meta-method for protein structure prediction. In contrast to traditional consensus and meta-methods, TopModel uses top-down consensus and deep neural networks to select templates and identify and correct wrongly modeled regions. TopModel combines a broad range of state-of-the-art methods for threading, alignment, and model quality estimation and provides a versatile workflow and toolbox for template-based structure prediction. We will then showcase how structural information provides the starting point for further molecular simulations-based investigations at the atomistic level to gain insights into signaling in the physiological context and disease diagnostics.


6. Juli 2020
16:00 - 17:00


a link for the Zoom meeting room will be send in the newsletter one week before the seminar starts. If you need any organizational help please contact office@aices.rwth-aachen.de