Sumários

Discussão de artigos

30 Outubro 2023, 09:30 António Eduardo do Nascimento Ferreira


Discussão de artigos apresentados.

Protein Folding: Fundamental Concepts and Thermodynamics.

23 Outubro 2023, 11:00 Cláudio Emanuel Moreira Gomes


Protein Folding: Fundamental Concepts and Thermodynamics. Structural Diversity of Proteins and Introduction to the Protein Folding Problem. Overview of the Structural Diversity of Proteins. Protein Folding Problem: Historical Perspective and Current Challenges. Proteins as Dynamic Entities: Dynamics and Flexibility of Protein Conformation. Anfinsen's Experiment and the Thermodynamic Hypothesis. Anfinsen's Experiment and the Thermodynamic Hypothesis of the Protein Folding Process. Definition of Native and Unfolded States. Kinetics of Protein Folding Reaction: Levinthal's Paradox and the Concept of Energy Funnel.

Apresentação de artigos

23 Outubro 2023, 09:30 António Eduardo do Nascimento Ferreira


Apresentação dos artigos 1.3. e 1.4.

Discussão de artigos. Preparação das apresentações.

23 Outubro 2023, 09:30 Bárbara Joana de Almeida Henriques


Discussão de artigos. Preparação das apresentações.

Protein structural determination and prediction

16 Outubro 2023, 11:00 António Eduardo do Nascimento Ferreira


The physical basis of X-ray crystallography. Bragg's law. Applications to biological macro-molecules. Protein crystallization, X-ray sources, diffraction patterns and structure factors. Electron density and structural models. Validation of structural models. The prediction of protein structure (3D) from sequence: a difficult problem in structural biology. The CASP competition. Homology modelling: concept, stages and tools. The quality of the obtained models. Errors and limitations of the results of homology modelling. The portal SwissModel. Template search, modelling and final optimization by empirical force fields. Other methods of structure prediction: the Rosetta fragment approach. The Alphafold method.