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·        Apr. 16, 2008

Hai Lin is giving an oral presentation at the Quantum Theory Project Seminar at the University of Florida, April 16, 2008

 

Flexible-boundary QM/MM: Adaptive partition and partial charge transfer between the QM and MM subsystems

Thanks to Prof. Ken Merz for being the host.

·        Apr. 11, 2008

Phani Morisetti is giving a poster presentation at the UC-Denver’s 11th Annual Research Creative Activities Symposium, Denver, CO, April 11, 2008

 

Computational simulations of metformin binding to activated insulin receptor
This work is supported by the UROP grant, where Phani is the student PI and Hai is the supervisor.

 

·        Mar. 31, 2008

Congratulations! Dr. Yan Zhang’s paper has been publication by Journal of Chemical Theory and Computations.

 

Flexible-boundary quantum-mechanical/molecular-mechanical calculations: Partial charge transfer between the quantum-mechanical and molecular-mechanical subsystems

Zhang, Y. and Lin, H.

 

·        Oct. 5, 2007

Hai Lin is giving an oral presentation at the Department of Biochemistry and Molecular Genetics, UCHSC, October 5, 2007

 

Understanding biochemical Processes at the atomic level

Thanks to Prof. Rui Zhao for being the host.

·        Aug. 29, 2007

Phani Morisetti is giving a poster presentation at the Rocky Mountain Regional Meeting, Denver, CO, August 29 – September 1, 2007

 

Docking testosterone in the active site of cytochrome P450 3A4: Simulations suggest protein conformational changes are critical to substrate binding
This work is contributed by Kim, J., Morisetti, P., and Lin, H.

 

·        Aug. 29, 2007

Dr. Yan Zhang is giving a poster presentation at the Rocky Mountain Regional Meeting, Denver, CO, August 29 – September 1, 2007

 

Hydrogen abstraction of testosterone by cytochrome P450 3A4: A computational investigation
This work is contributed by zhang, Y. and Lin, H.

 

·        Aug. 28, 2007

One of our papers was identified as one of the most-accessed articles April – June, 2007 by Journal of Chemical Theory and Computations as on Aug. 28, 2007.

 

http://pubs.acs.org/journals/jctcce/promo/most/most_accessed/index.html

 

20. Self-Consistent Polarization of the Boundary in the Redistributed Charge and Dipole Scheme for Combined Quantum-Mechanical and Molecular-Mechanical Calculations
Yan Zhang, Hai Lin, and Donald G. Truhlar
J. Chem. Theory Comput.; 2007; 3(4) pp 1378 - 1398; (Article) DOI: 10.1021/ct7000107

 

·        Aug. 20, 2007

Hai Lin is giving an oral presentation at the 234th ACS National Meeting at Boston, MA, August 19 – 23, 2007

 

Self-Consistent Polarization of the Boundary in the Redistributed Charge and Dipole Scheme for Combined Quantum-Mechanical and Molecular-Mechanical Calculations
T
his work is contributed by Lin, H., zhang, Y., and Truhlar, D. G.

 

·        Apr. 27, 2007

Congratulations! Dr. Yan Zhang’s paper has been accepted for publication by Journal of Chemical Theory and Computations.

 

Self-consistent polarization of the boundary in the redistributed charge and dipole scheme for combined quantum mechanical and molecular mechanical calculations

Zhang, Y., Lin, H., and Truhlar, D.

 

·        Apr. 19, 2007

Congratulations! Phani Morisetti has been awarded a grant ($1150) from the Undergraduate Research Opportunities Program (UROP)

For his research titled: Computational Simulations of Metformin Binding to Insulin Receptor Kinase

 

·        Apr. 17, 2007

Jeff Kim is going to give a seminar about his M. S. research.

Title: Docking Simulation: Human cytochrome P450 3A4 enzyme and testosterone

Time: 4:00 – 5:00 pm. Room: SI 308.

 

·        Mar. 21, 2007

One of our papers is listed by the Theoretical Chemistry Accounts as No. 1 Most-Viewed Articles in the past 90 days as on Mar. 21, 2007:

(This is a follow-up of the news released on Jan. 10, 2007)

http://www.springer.com/west/home/chemistry?SGWID=4-135-70-1026442-detailsPage=journal|mostViewedArticles

 

1. QM/MM: what have we learned, where are we, and where do we go from here?

Lin, H., Truhlar, D.

Published Print: February 2007

 

·        Jan. 25, 2007

Hai Lin is giving an oral presentation at the NWChem Meeting 2007, Richland, WA, January 25 – 26, 2007

http://www.emsl.pnl.gov/nwchemmeeting/schedule.shtm

Toward more realistic simulations for large-size reactive systems by combining quantum mechanics and molecular mechanics

This work is contributed by Lin, H. and Truhlar, D. G.

 

·        Jan. 10, 2007

One of our papers is listed by the Theoretical Chemistry Accounts as No. 4 Most-Viewed Articles in the past 90 days as on Jan. 9, 2007:

http://www.springer.com/west/home/chemistry?SGWID=4-135-70-1026442-detailsPage=journal|mostViewedArticles

 

4. QM/MM: what have we learned, where are we, and where do we go from here?

Lin, H., Truhlar, D.

Published online: 08 July 2006

 

·        Jan. 8, 2007

QMMM version 1.3 is ready for distribution: http://comp.chem.umn.edu/qmmm/

Improvements in this version include:

(1)   Implementation of the polarized-boundary treatments for the redistributed charge and dipole schemes.

(2)   Implementation of QM/MM cutoff.

(3)   Implementation of partial optimization option for calls Gaussian03 as the electronic-structure program.

(4)   Implementation of a low-storage BFGS optimization algorithm.

(5)   More flexible definition of the charges (and multiplicities) for both QM and MM subsystems.

(6)   Bugs fixed.

 

·        Oct. 30, 2006

One of our papers is listed by the Journal of Chemical Theory and Computation as No. 3 Most-Accessed Articles: July-September, 2006:

 

http://pubs.acs.org/journals/jctcce/promo/most_accessed/index.html

Dynamics

3.  Multiconfiguration Molecular Mechanics Based on Combined Quantum Mechanical and Molecular Mechanical Calculations
Hai Lin, Yan Zhao, Oksana Tishchenko, and Donald G. Truhlar
J. Chem. Theory Comput.; 2006; 2(5) pp 1237 - 1254; (Article); DOI: 10.1021/ct600171u

 

·        Jun. 1, 2006

QMMM version 1.2 is ready for distribution: http://comp.chem.umn.edu/qmmm/

Improvements in this version include:

(1)   Implementation of calls to gamess(-us) as the electronic-structure program.

(2)   Implementation of calls to orca as the electronic-structure program.

(3)   Implementation of calls Gaussian03 versions d.01as the electronic-structure program.

(4)   Bugs fixed.

 

·        May 11, 2006

Computational Chemistry Seminars are given on 5/11 (Thursday) 5:30 - 8:30 pm, at NC3010.  Four talks are scheduled, each taking 40 minutes including questions. You are very welcome to come and join us! The tentative titles and the order of giving the talk are as follows:

(1) Stephen Moss: Computational analysis of complexes of hydroxyl and hydroperoxy radical with formaldehyde, acetaldehyde, and acetone

(2) Kuntae Pak:   Three reaction pathways of acetone + OH radical in atmosphere

(3) Jeffery Kim:  Docking Simulation: Human cytochrome P450 3A4 enzyme and testosterone

(4) Bill Peters:  Computational studies on possible secondary structure of the polypeptide of 4-amino-3-oxo-2-azabicyclo[2.2.2]octane-1-carboxylic acid

 

·        May 4, 2006

A Cottrell College Science Award in the amount of $34,950 is funded by Research Corporation to Dr. Hai Lin’s project entitled “Reaction mechanism and dynamics of cytochrome P2450 3A4 enzyme by combined quantum mechanical/molecular mechanical computation.” Grant No: CC6725

 

·        Mar. 27, 2006

Hai Lin is giving an oral presentation at the 231st ACS National Meeting, 2006, Atlanta, GA, March 26 - 30, 2006.

Multi-configuration molecular mechanics based on combined quantum mechanical and molecular mechanical calculations.

This work is contributed by Lin, H., Zhao, Y., and Truhlar, D. G.

 

·        Feb. 20, 2006

Hai Lin is giving an oral presentation at the colloquium of Center for Computational Mathematics (CCM).

 

An accurate and efficient computational tool for understanding enzymatic reactions

Thanks to Prof. Jan Mandel for being the host.

·        Sep. 15, 2005

Web site is built for Computational Chemistry at CU-Denver.

 

 

Updated: April 19, 2007