*. Personal
Name Sivakumar Sekharan, Ph.D.
Date and place of birth 28.05.1979 in Chennai, INDIA
Current Address **** *, ***** ***** ***** Rd, Decatur,
GA – 30033-3758, USA.
Business Address Cherry Logan Emerson Center for
Scientific Computation,
Emory University, GA – 30322, USA.
Email: *******@*****.***
Phone +1-404-***-****
Green Card (in process) EB1A petition filing date: February 2011
Marital Status Married
2. Professional Career
1997-2000 Bachelors in Chemistry, Madras Christian College, INDIA
2000-2002 Masters in Applied Chemistry, Regional Engineering College,
Thiruchirapalli, INDIA
2003-2006 Ph.D. Theoretical Chemistry, University of Duisburg-Essen,
GERMANY, Graduate Student with Prof. Dr. Volker Buss
2007-2008 Max-Planck-Institute for Polymer Research, GERMANY,
Research Associate with Prof. H. W. Spiess
Since-2008 Emory University, USA
Research Associate with Prof. K. Morokuma
April/May 2010 Fukui Institute for Fundamental Chemistry, JAPAN
Visiting Research Fellow with Prof. K. Morokuma
3. Research Interests
Computational studies of ligand-protein interaction in membrane proteins,
Structure function relationship of G-Protein Coupled Receptors,
Quantum Mechanics/Molecular Mechanics (QM/MM) Studies of Visual and Archaeal
Rhodopsins, Evolutionary Elasticity of Visual Pigments,
Role of Internal Water Molecules in Membrane Proteins,
Exploitation of structural information in protein flexibility,
Electronic effects of ligand in receptor binding sites,
Retinal in Nanotubes.
4. Computational Skills
Quantum Chemistry Packages: ONIOM:QM/MM, Molecular Modeling,
MOLCAS:CASSCF/CASPT2, SORCI+Q, MRCI, DDCI2, Car-Parrinello Molecular
Dynamics (CPMD), Nucleus Independent Chemical Shift (NICS), Gaussian, VMD,
ChemOffice, Molden, Molekel, Cerius2.
Programming Basic Java
Operating Systems Linux, UNIX and Windows.
1
5. Professional Duties/Affiliations
Editorial Board Member of the Journal of Physical Chemistry and Biophysics
Reviewer for
Journal of the American Chemical Society
Journal of Physical Chemistry
Journal of Physical Chemistry Letters
Journal of Chemical Theory and Computation
Journal of Chemical Information and Modeling
Journal of Molecular Graphics and Modelling
Journal of Photochemistry and Photobiology
Journal of Chemical Research in Toxicology
New Journal of Chemistry
Nominated Full Member of Sigma Xi
Nominated Member of American Chemical Society (ACS)
Member of American Association for the Advancement of Science (AAAS)
Abstractor for Quantum Chemistry Library Database (QCLDB)
6. Publications (13), Book Chapter (1)
Sekharan S., Yokoyama. S., Morokuma K.: QM/MM Structure, Enantioselectivity, and
Spectroscopy of HydroxyRetinals and Insights into the Evolution of Color Vision in Small
White Butterflies. J. Am. Chem. Soc. 2011, (Submitted).
Percec V., Peterca M., Aqad E., Imam, M. R., Leowanawat P., Rosen, B, M., Tadjiev T.,
Zeng X., Ungar G., Akbey U., Graf R., Sekharan S., Sebastiani D., Spiess, H. W., Heiney P.
A., Hudson S. D.: Self-Assembly of Dendronized Perylenes Bisimides into Complex Helical
Columns. J. Am. Chem. Soc. 2011, 133, 121**-*****.
Sekharan S., Altun A., Morokuma K.: BOOK CHAPTER on Invitation, Volume 7, Topic:
Computational Chemistry of Vision in Vertebrates and Invertebrates. Annual Reports in
Computational Chemistry. 2011, (in press).
Sekharan S., Morokuma K.: QM/MM Study of the Structure, Energy Storage and Origin of
the Bathochromic Shift in Vertebrate and Invertebrate Bathorhodopsins. J. Am. Chem. Soc.
2011, 133, 4734-4737.
Sekharan S., Altun A., Morokuma K.: QM/MM Study of Dehydro and Dihydro β-Ionone
Retinal Analogues in Bovine and Squid Rhodopsins: Implications for Vision in Salamander
Rhodopsin. J. Am. Chem. Soc. (Communication) 2010, 132, 158**-*****.
Sekharan S., Morokuma K.: Drawing the Retinal out of its Comfort Zone: An ONIOM
(QM/MM) Study of Mutant Squid Rhodopsin. J. Phys. Chem. Lett. 2010, 1, 668-672.
Sekharan S., Altun A., Morokuma K.: Photochemistry of Visual Pigment in a Gq Protein-
Coupled Receptor (GPCR) – Insights from Structural and Spectral Tuning Studies on Squid
Rhodopsin. Chem. Eur. J (Communication), 2010, 16, 1744-1749.
Hansen MR., Graf R., Sekharan S., Sebastiani D.: Columnar packing motifs of functionalized
perylene derivatives: local molecular order despite long-range disorder.
J. Am. Chem. Soc. (Article), 2009, 131, 5251-5256.
2
Sekharan S.: Water-mediated Spectral Shifts in Rhodopsin and Bathorhodopsin.
Photochem. Photobiol. (Review), 2009, 85, 517-20.
Sekharan S., Buss V.: Glutamic acid 181 is uncharged in dark-adapted visual rhodopsin. J.
Am. Chem. Soc. (Communication), 2008, 130, 172**-*****.
Sekharan S., Sugihara M., Weingart O., Okada T., Buss V.: Protein Assistance in the
Photoisomerization of Rhodopsin and 9-cis-Rhodopsin – Insights from Experiment and
Theory. J. Am. Chem. Soc. (Communication), 2007, 129, 1052-1054.
Sekharan S., Sugihara M., Buss V.: Origin of Spectral Tuning in Rhodopsin – It is Not the
Binding Pocket. Angew. Chem. Int. Ed. (VIP Comunication), 2007, 46, 269-271.
Sekharan S., Sugihara M., Buss V.: Ursprung der spektralen Feineinstellung in Rhodopsin:
es ist nicht die Bindungstasche. Angew. Chem. (VIP Comunication), 2007, 119, 273-275.
Sekharan S., Weingart O., Buss V.: Ground and Excited States of Retinal Schiff Base
Chromophores by Multiconfigurational Perturbation Theory. Biophys. J. (Letters), 2006, 91,
L07-L09.
7. Stipends/Awards
Since-2011 NIH fellowship
2010 Atlanta Area Chemical Physics (AACP) Award given by Emory
University & Georgia Tech
2008-2010 Emory University Fellowship
2007-2008 Max-Planck-Institute Fellowship
2006 German Cancer Research Center (DKFZ) Scholarship
2003-2005 German Research Council (DFG) Scholarship
8. Invited Talks
14th International Conference on Retinal Proteins – USA
08/2010
22/2010 Gakushuin University, JAPAN
04/2010 Nagoya Institute of Technology, JAPAN
13th International Conference on Retinal Proteins – SPAIN
06/2008
02/2008 Massachusetts Institute of Technology - USA
02/2008 Brandeis University – USA
10/2007 International Symposium on Retinal Proteins – GERMANY
09/2006 Symposium on Structure and Function of Retinal Proteins –
GERMANY
9. Travel Grants
01/2011 Keystone Symposia on Molecular and Cellular Biology – USA
04/2010 Nagoya Institute of Technology, JAPAN
01/2008 Gordon Research Conference, USA
13th International Conference on Retinal Proteins – SPAIN
06/2008
10/2007 International Symposium on Retinal Proteins – GERMANY
12th International Conference on Retinal Proteins – JAPAN
06/2006
3
10. Poster Presentations
01/2011 Keystone Symposia on Molecular and Cellular Biology - USA
14th International Conference on Retinal proteins (ICRP) - USA
07/2010
06/2008 CPMD 2008 – Conference on Modeling and Computation of
Structure and Dynamics of Condensed Phase Systems - ITALY
01/2008 Gordon Research Conference on Photosensory Receptors and Signal
Transduction - USA
12th International Conference on Retinal proteins (ICRP) - JAPAN
06/2006
11/2004 International Symposium on Structure and Dynamics of
Heterogenous systems – Duisburg, GERMANY
09/2004 International Symposium on Retinal Proteins - Heidelberg,
GERMANY
8th Sostrup Summer School for Quantum Chemistry – DENMARK
06/2004
11. References
Prof. Keiji Morokuma, Emory University, USA. *****.********@*****.***
Prof. Dr. Volker Buss, University of Duisburg-Essen, GERMANY. ******.****@***-***.**
12. Declaration
“The above information, to the best of my knowledge, is correct and true.
PLACE: ATLANTA, USA
DATE: 08/16/2011 (Dr. SIVAKUMAR SEKHARAN)
4