grc 2004 comp chem review russell talks about grc computational chemistry 2004 mol_sims discussion...
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![Page 1: GRC 2004 Comp Chem Review Russell talks about GRC Computational Chemistry 2004 mol_sims Discussion Group GT Schools of Biology and Chemistry et al July](https://reader030.vdocument.in/reader030/viewer/2022032723/56649d195503460f949ef00d/html5/thumbnails/1.jpg)
GRC 2004 Comp Chem Review
Russell talks about GRC Computational Chemistry 2004
mol_sims Discussion GroupGT Schools of Biology and Chemistry
et alJuly 20, 2004
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2GRC 2004 Comp Chem Review
Requests
• Philippe Hunenberger (ETH)“New schemes for evaluating electrostatic interactions in molecular systems under periodic boundary conditions”
• Algorithms for GROMOS electrostatic force field determination, in next Rev. of that software
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3GRC 2004 Comp Chem Review
Hunenberger (p2)http://www.igc.ethz.ch/phil/pdf/04.24.pdf
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4GRC 2004 Comp Chem Review
Hunenberger (p3)
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5GRC 2004 Comp Chem Review
Requests
• Anthony Stone (Cambridge University)"Ab initio calculation of intermolecular potential energy surfaces"
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6GRC 2004 Comp Chem Review
Jiali Gao
• Jiali Gao (U. Minn.) [Michael Zerner Memorial Lecture]"Dynamics of Enzymatic Reactions from Combined QM/MM Simulations"
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7GRC 2004 Comp Chem Review
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8GRC 2004 Comp Chem Review
Protein Phenomena Session
• Joan Shea: “Role of Frustration in Chaperonin-Mediated Protein Folding”:– How cellular environments affect protein folding– Effects on protein folding: pH, temp, crowding– Aggregates of mis-folded proteins in diseases like
Parkinson’s– Chaperonins recognize misfolded proteins by
exposed hydrophobic patches– GroEL:
• 10sec time for ATP hydrolysis
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9GRC 2004 Comp Chem Review
Joan Shea (p2)
• Three theories to how chaperone– 1) Populating trapped states– 2) Passive mechanism (inefficient b/c protein
aggregates; “Folding in the cage”)– 3) Non-cycling single GroEL, prot. outside
cavity, no confinement effects
• T_m > T_f:– Temp of min folding time greater than folding
temp
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10GRC 2004 Comp Chem Review
Matthew Tirrell
• Matthew Tirrell (U. Calif. Santa Barbara)"Frontiers of Computational Chemistry: Ideas from the National Research Council Report"
• Edited two books:– Beyond the Molecular Frontier– National Security and Homeland Defense: Challenges
for the Chemical Sciences in the 21st Century (2002)
• Office of Information and Communications
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11GRC 2004 Comp Chem Review
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12GRC 2004 Comp Chem Review
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13GRC 2004 Comp Chem Review
End Requests … now for the good stuff
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14GRC 2004 Comp Chem Review
Maria Kurnikova
• Maria Kurnikova (Carnegie-Mellon University)"Hierarchical Methods for Modeling Membrane Protein Structure and Function"
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15GRC 2004 Comp Chem Review
Maria Kurnikova (p2)
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16GRC 2004 Comp Chem Review
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17GRC 2004 Comp Chem Review
Yuko Okamoto
• Yuko Okamoto (Institute for Molecular Science, Okazaki, Aichi, Japan)"Protein Force Fields: Comparisons and Improvements"
• Replica-Exchange MD (REMD)– MUCAREM, REMUCA
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18GRC 2004 Comp Chem Review
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19GRC 2004 Comp Chem Review
Martin Head-Gordon
• Faster methods for electron correlation? New MP2 methods?
• Pulay-Saebo Model
• BSSE – Basis Set Superposition Error
• Resolution of Identity function smaller than all possible products
• DFT does not do dispersion
Martin Head-Gordon (U. Calif. Berkeley)"Localized orbitals and fast correlation methods"
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20GRC 2004 Comp Chem Review
Questions
• Can Density Functional Theory (DFT) fold proteins?
• Self-interaction of DFT is hopeless?
• Fast Multipole vs. Ewald?
• GAMESS-US vs. GAMESS-UK?
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21GRC 2004 Comp Chem Review