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Bioinformática. Predicción estructural y funcional Máster Biomedicina 2009-10. Programa. Introducción Bases de datos biológicas Comparación de secuencia y búsqueda de homología Predicción funcional Predicción estructural Seminarios. http://mmb.pcb.ub.es/MBIOMED/bioinformatica/.
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Bioinformática Predicción estructural y funcional Máster Biomedicina 2009-10
Programa • Introducción • Bases de datos biológicas • Comparación de secuencia y búsqueda de homología • Predicción funcional • Predicción estructural • Seminarios http://mmb.pcb.ub.es/MBIOMED/bioinformatica/
Material y Evaluación • Ejercicios y presentaciones • http://mmb.pcb.ub.es/MBIOMED/bioinformatica • Campus Virtual • Evaluación. Pruebas prácticas • 12 Nov. “control” • 24 Nov. “secuencia” • 25 Nov. “estructura”
Bioinformaticsintuitive definition Informatic tools that can suggest solutions to biological problems
You really understand a system when you are able to represent it using a mathematical equation Lord Kelvin Living organisms are the most perverse of chemical systems Coulson
Consorcio Público Celera Genomics FEBRUARY 2001: NOVIEMBRE 2001 : Ohio State University
Sequencing Paralel / combinatorial synthesis HT Screening Separation Purification Crystallization ...
DATA INFORMATION
Bioinformatics • Genome projects • Functional genomics • Structural genomics • Proteomics, systems biology • Molecular recognition • …
Genome projects Genome Determinations Massive sequencing Genome Annotation Genomics and disease
+ 2124 Virus http://www.ncbi.nlm.nih.gov/genomes/static/gpstat.html
http://www.ncbi.nlm.nih.gov/mapview/map_search.cgi?taxid=9606&build=previoushttp://www.ncbi.nlm.nih.gov/mapview/map_search.cgi?taxid=9606&build=previous
Functional genomics Statistical analysis DNA-chips …. Expression profiles Image processing Data mining
Statistical analysis • Clustering • Machine learning methods • Ontology
Structure-function analysis 3D Structure Structure-function New biomolecules Molecular modeling Structural genomics X Ray NMR 3D Structure Structure selection Homology
Recognition ability is the basis of biological function3D structure is key for recognition
Rosalyn Franklin Mapa difracción B-DNA
ADA COX-2 FKBP XO
Dynamic properties. • Molecular recognition requires structural adjustment
Proteomics Proteoma Metaboloma System biology
Barabasi et al. (and others), since 1999 Pazos et al., EMBO Reports 2003
Combinatorial chemistry/HTS Massive Synthesis and analysis Library design New drugs Molecular Modeling Docking Virtual screening
Prediction. Possible scenarios 1. Homology can be recognized using sequence comparison tools or protein family databases (blast, clustal, pfam,...). Structural and functional predictions are feasible 2. Homology exist but cannot be recognized easily (psi-blast, threading) Low resolution fold predictions are possible. No functional information. 3. No homology 1D predictions. Sequence motifs. Limited functional prediction. Ab-initio prediction
Reminder • Bioinformatics “suggests” answers, experimental proof is still necessary • Bioinformatics can “save work”. Hypothesis can be tested “in silico” • Bioinformatics can do impossible experiments • However, never trust bioinformatics