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Energetics of protein structures. Molecular Mechanics force fieldsImplicit solventStatistical potentials. Energetics of protein structures. Molecular Mechanics force fieldsImplicit solventStatistical potentials. . What is an atom?. Classical mechanics: a solid objectDefined by its position (x,y,z), its shape (usually a ball) and its massMay carry an electric charge (positive or negative), usually partial (less than an electron).
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1. Energetics of protein structure
2. Energetics of protein structures Molecular Mechanics force fields
Implicit solvent
Statistical potentials
3. Energetics of protein structures Molecular Mechanics force fields
Implicit solvent
Statistical potentials
4. What is an atom? Classical mechanics: a solid object
Defined by its position (x,y,z), its shape (usually a ball) and its mass
May carry an electric charge (positive or negative), usually partial (less than an electron)
7. Atomic interactions
8. Forces between atoms Strong bonded interactions
9. Forces between atoms: vdW interactions
11. Forces between atoms: Electrostatics interactions
13. Energetics of protein structures Molecular Mechanics force fields
Implicit solvent
Statistical potentials
14. SolventExplicit or Implicit ?
15. Potential of mean force
16. Potential of mean force
17. Potential of mean force
19. The SA model Surface area potential
20. Surface area potentialsWhich surface?
21. Hydrophobic potential:Surface Area, or Volume?
22. Elementary electrostatics
Electrostatics in vacuo
Uniform dielectric medium
Systems with boundaries
The Poisson Boltzmann equation
Numerical solutions
Electrostatic free energies
The Generalized Born model
23. Elementary Electrostatics in vacuo
24. Elementary Electrostatics in vacuo
25. Elementary Electrostatics in vacuo
26. Elementary Electrostatics in vacuo
27. Elementary Electrostatics in vacuo
28. Elementary Electrostatics in vacuo
43. Further reading Michael Gilson. Introduction to continuum electrostatics. http://gilsonlab.umbi.umd.edu
M Schaefer, H van Vlijmen, M Karplus (1998) Adv. Prot. Chem., 51:1-57 (electrostatics free energy)
B. Roux, T. Simonson (1999) Biophys. Chem., 1-278 (implicit solvent models)
D. Bashford, D Case (2000) Ann. Rev. Phys. Chem., 51:129-152 (Generalized Born models)
K. Sharp, B. Honig (1990) Ann. Rev. Biophys. Biophys. Chem., 19:301-352 (Electrostatics in molecule; PBE)
N. Baker (2004) Methods in Enzymology 383:94-118 (PBE)
44. Energetics of protein structures Molecular Mechanics force fields
Implicit solvent
Statistical potentials