HomeCoursesMEDSCI 204: Pharmacology and ToxicologyLecture 21 Lecture 21 1. What are the categories of drug discovery? All compounds, drug like, lead likeWhat are the categories of drug discovery?== All compounds, drug like, lead like 2. What are the steps to drug screeening? Find which compounds are active hits, find out how potent the hits areWhat are the steps to drug screeening? ==Find which compounds are active hits, find out how potent the hits are 3. What are the assays for finding molecules? Assay to find any inhibition, assay to find inhibition response curve to find potencyWhat are the assays for finding molecules?== Assay to find any inhibition, assay to find inhibition response curve to find potency 4. How are library numbers reduced? Group compounds with similarities (chemical structure)How are library numbers reduced?== Group compounds with similarities (chemical structure) 5. What are the levels of protein structure? Amino acid sequence (primary), groups of amino acids (helices, strands, random coil) (secondary), 3D structure (tertiary), structure formed in combination with other proteins (quartery)What are the levels of protein structure? ==Amino acid sequence (primary), groups of amino acids (helices, strands, random coil) (secondary), 3D structure (tertiary), structure formed in combination with other proteins (quartery) 6. What forces bind drugs to proteins? Van der waals, H-bonds, ionic bonds, covalent bondsWhat forces bind drugs to proteins?== Van der waals, H-bonds, ionic bonds, covalent bonds 7. What will restrict binding even if chemical properties match between drug and substrate? Physical shapeWhat will restrict binding even if chemical properties match between drug and substrate?== Physical shape 8. What helps binding? Flexibility of proteinsWhat helps binding? ==Flexibility of proteins 9. What is molecular dockiing? predicting whether a ligand appropriately fits a binding site chemically and physicallyWhat is molecular dockiing?== predicting whether a ligand appropriately fits a binding site chemically and physically 10. What is detrimental to binding? Polar groups with no purposeWhat is detrimental to binding?== Polar groups with no purpose 11. What is the result of virtual screening of molecular docking? Ranked list of possible matched compounds according to polar groups and chemotypeWhat is the result of virtual screening of molecular docking?== Ranked list of possible matched compounds according to polar groups and chemotype 12. What follows virtual screening? AssayWhat follows virtual screening?== Assay 13. What are the four categories of molecules following assays? True actives, true inactives, false actives, false inactivesWhat are the four categories of molecules following assays?== True actives, true inactives, false actives, false inactives 14. How to determine false hits? Inhibition response curve, secondary assayHow to determine false hits?== Inhibition response curve, secondary assay 15. What is the purpose of converting hits to leads? Improve potency, selectivity, PDPK propertiesWhat is the purpose of converting hits to leads?== Improve potency, selectivity, PDPK properties 16. What is a hit? A molecule that demonstrates interaction with target and has biological activityWhat is a hit?== A molecule that demonstrates interaction with target and has biological activity 17. What is a lead? A hit that has desireable characterstics (high affinity/activity), but has undesirable characteristics also (toxicity, low solubility)What is a lead?== A hit that has desireable characterstics (high affinity/activity), but has undesirable characteristics also (toxicity, low solubility) 18. What is lead optimisation? Improve deficiences (toxicity, bioavailability)What is lead optimisation? ==Improve deficiences (toxicity, bioavailability) Loading...
