Bi4999en – Structural Biology and Bioinformatics Academic term: Autumn 2023 Course content: 1. Introduction to the structure of macromolecules – composition, methods for determination, application in biology, visualization. 2. Structure of biomolecules – different levels of structure of proteins and nucleic acids 3. Bioinformatics databases and structure prediction – sequence databases, structural databases, retrieval and evaluation of macromolecular structures 4. Structural databases and models of structures – structural databases, validation and methods for quality assessment, preparation of models. 5. Stability and dynamics of macromolecules – analysis of molecular dynamics and stability, prediction of stability, databases. 6. Analysis of protein structures – identification of important regions: binding/active sites, aggregation propensity, transport pathways, flexible regions, binding/catalytic amino acids. 7. Protein-ligand complexes – evaluation of complexes, analysis of interactions, druggability, databases, transport of small molecules. 8. Macromolecular complexes and interactions – protein-protein and protein-DNA complexes, analysis of interactions, databases. 9. Engineering of protein structures – effect of mutations on the protein structure, stability and function. 10. Applications of structural biology and bioinformatics – biological research, drug design, engineering of biocatalysts. Detailed content 1. Introduction to the structure of macromolecules · Course information · Other courses from LL · Motivation and applications of structural biology · Structural biology: basics and historical perspective · Structure visualization · Energetics and molecular interactions · Experimental methods for structure determination · Basics of Bioinformatics: sequence, databases, homology modelling, machine learning, ab initio 2. Structure of biomolecules · Proteins: primary to quaternary structures · Calculation of secondary structures: DSSP method · Protein motifs, domains and folds · Nucleic acids: primary to higher structures · Structural data formats: types of data format; PDB, mmCIF and PDBML · Structural databases (list) 3. Bioinformatics databases and structure prediction · Sequence-structure-function relationship (intro) [or refer to 1-4ry structures progression] · Sequence databases · Sequence alignments · Sequence analysis (prediction of properties at sequence level (eg. solubility) · Sequence-structure-function relationship · Structure prediction from sequence 4. Structural databases and models of structures · Structural databases · Validation and quality assessment 5. Stability and dynamics of macromolecules · Protein folding · Protein stability, its prediction, databases · Protein dynamics 6. Analysis of protein structures · Solvent accessibility · Solubility and aggregation · Molecular interactions · Functional sites · Binding/catalytic amino acids · Evolutionary conservation · Transport pathways 7. Protein-ligand complexes · Structure of complexes · Databases of complexes · Protein druggability · Databases of small molecules · Molecular docking · Evaluation of complexes · Transport of small molecules 8. Macromolecular complexes and interactions · Evaluation of protein-protein and protein-DNA complexes · Analysis of protein-protein interactions · Databases 9. Engineering of protein structures · Types of mutations · Databases of mutations · Effects of mutation on protein structure and function · Prediction of mutation effects 10. Applications of structural biology and bioinformatics · Biological research · Drug design and development · Design of biocatalysts Literature · J. Gu & P. E. Bourne (2009), Structural Bioinformatics, Wiley-Blackwell, · G. A. Petsko & D. Ringe (2004), Protein Structure and Function, New Science Press · Claverie, J-M., & Notredame, C. (2006), Bioinformatics for Dummies (2nd ed.) Wiley Publishing, Hoboken, p. 436 · Xiong, J. (2006) Essential Bioinformatics, Cambridge University Press, New York, p. 352. · T. Schwede & M. C. Peitsch (2008), Computational Structural Biology: Methods and Applications, World Scientific Publishing Company · A. Liljas, L. Liljas, J. Piskur, G. Lindblom, P. Nissen, M. Kjeldgaard (2009), Textbook Of Structural Biology, World Scientific Publishing Company Evaluation methods Multiple-choice test, multiple correct answers possible, 10 correct answers out of 25 needed to pass the exam Evaluation grading Grades are based on the number of correct answers as follows: A: 22-25 B: 19-21 C: 16-18 D: 13-15 E: 10-12 F (fail): < 10