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MSDmotif 1 Adel Golovin Protein Site and Motif search Biosapiense network of excellence
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MSDmotif 2 Overview crystallographerbiochemistry Ph.d students Pharma researchScientist Oracle Service Database tomcat J2EE application
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MSDmotif 3 Search options
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MSDmotif 4 Search example 1nio + Where N covalently binds sugar: Super-secondary structure Strand – <= 5 residues loop – Strand + N Glycosylation pattern N{P}[ST]{P} + 2-3 residues gap 150.000 coordinate entries
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MSDmotif 5 Search results
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MSDmotif 6 Binding statistics Molecule binding Pair binding Motif binding 3D Environment ? Chemical fragments Main/Side chain Plane interactions Stats on a family RR calculation
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MSDmotif 7 Data retrieval Chemical search PDB/CIF files with ligands and those 4.2 Å environment Web Service XML request eFamily XML Statistics in text files Sequence alignment files Distributed Annotation System (DAS) HTTP URL request DAS XML HTTP request text files, XML, PDB,CIF,ALN…
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MSDmotif 8 Approach Where to start? Results presentation? See: help->examples
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MSDmotif 9 Ligand approach Staurosporine Kinase inhibitor Ligand fragment binding statistics
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MSDmotif 10 Molecule binding interface
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MSDmotif 11 Protein sequence approach Tyrosine protein kinases specific active-site signature: [LIVMFYC]-{A}- [HY]-x-D- [LIVMFY]- [RSTAC]-{D}- {PF}-N- [LIVMFYC](3) Motif binding statistcs Ligand fragments
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MSDmotif 12 Motif binding statistics
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MSDmotif 13 Protein sequence approach 2 Tyrosine protein kinases specific active-site signature: [LIVMFYC]-{A}- [HY]-x-D- [LIVMFY]- [RSTAC]-{D}- {PF}-N- [LIVMFYC](3) Search3D alignment
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MSDmotif 14 Protein structure approach 3D fragment SearchSequence pattern φ/ψ sequence -156/-155,-103/17,-134/161
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MSDmotif 15 Protein structure approach 2 Sample motif from a PDB entry Complete graph search by CA or end of side chain positions 3D alignment of the hits S CA
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MSDmotif 16 Computer Aided Drug Design CADD vHTS Sequence analysis Homology modelling Similarity search Drug Lead optimisation Physicochemical modelling Drug Bioavailability bioactivity
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MSDmotif 17 Computer Aided Drug Design Modelling Prediction Analysis Search Alignment A good prototype is often better than a best model Sequence and 3D multiple alignment largely improve model quality
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MSDmotif 18 Availability www.ebi.ac.uk/msd-srv/msdmotif/ MSD: www.ebi.ac.uk/msd GNU public licensegolovin@ebi.ac.uk
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