Andrey Kovalevsky

Andrey Kovalevsky

Contact: kovalevskyay@ornl.gov or (505) 310-4184

Selected Publications

  • O. Gerlits, T. Wymore, A. Das, C.-H. Shen, J.M. Parks, J.C. Smith, K. Weiss, D.A. Keen, M.P. Blakeley, J.M. Louis, P. Langan, I. Weber, A. Kovalevsky (2016) Long-range electrostatics-induced two-proton transfer captured by neutron crystallography in an enzyme catalytic site, Angew. Chem. Int. Ed. 55, 4924-4927.
  • S. Dajnowicz, S. Seaver, B.L. Hanson, S.Z. Fisher, P. Langan, A.Y. Kovalevsky, T.C. Mueser (2016) Visualizing the Bohr effect in hemoglobin: neutron structure of equine cyanomethemoglobin in the R state and comparison with human deoxyhemoglobin in the T state. Acta Crystallogr. D72, 892-903.
  • P.S. Langan, D.W. Close, L. Coates, R.C. Rocha, K. Ghosh, C. Kiss, G. Waldo, J. Freyer, A. Kovalevsky, A.R.M. Bradbury (2016) Evolution and characterization of a new reversibly photoswitching chromogenic protein, Dathail. J. Mol. Biol. 428, 1776-1789.
  • A. Das, O. Gerlits, J.M. Parks, P. Langan, A. Kovalevsky, W.T. Heller (2015) Protein kinase A catalytic subunit primed for action: Time-lapse crystallography of Michaelis complex formation, Structure 23, 2331-2340.
  • Q. Wan, J.M. Parks, B.L. Hanson, Z. Fisher, A. Osterman, T. Schrader, D.E. Graham, L. Coates, P. Langan, A. Kovalevsky (2015) Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography, Proc. Natl. Acad. Sci. U.S.A. 112, 12384-12389.
  • O. Gerlits, J. Tian, A. Das, P. Langan, W.T. Heller, A. Kovalevsky (2015) Phosphoryl transfer reaction snapshots in crystals: Insights into the mechanism of protein kinase A catalytic subunit, J. Biol. Chem. 290, 15538-15548.
  • R. Mychalczyk, C.J. Unkefer, J.P. Bacik, T.E. Schrader, A. Ostermann, A.Y. Kovalevsky, R. McKenna, S.Z. Fisher (2015) Joint neutron crystallographic and NMR solution studies of Tyr residue ionization and hydrogen bonding: Implications for enzyme-mediated proton transfer, Proc. Natl. Acad. Sci. U.S.A. 112, 5673-5678.
  • Wan Q., Bennett B. C., Wilson M. A., Kovalevsky A., Langan P., Howell E. E., Dealwis C., "Toward resolving the catalytic mechanism of dihydrofolate reductase using neutron and ultrahigh-resolution X-ray crystallography", Proceedings of the National Academy of Sciences, 111, 51, 18225-18230, (2014).
  • G.Y. Huang, O.O. Gerlits, M.P. Blakeley, B. Sankaran, A.Y. Kovalevsky, C. Kim, “Neutron diffraction reveals hydrogen bonds critical for cGMP-selective activation: Insights for cGMP-dependent protein kinase agonist design”, Biochemistry (Rapid Report) 2014, 53, 6725-6727.
  • P. Langan, A.K. Sangha, T. Wymore, J.M. Parks, Z.K. Yang, B.L. Hanson, Z. Fisher, S.A. Mason, M.P. Blakeley, V.T. Forsyth, J.P. Glusker, H.L. Carrell, J.C. Smith, D.A. Keen, D.E. Graham, A. Kovalevsky, “L-arabinose binding, isomerization, and epimerization by D-xylose isomerase: X-ray/neutron crystallographic and molecular simulation study”, Structure 2014, 22, 1287-1300.
  • O. Gerlits, A. Das, M.M. Keshwani, S. Taylor, M.J. Waltman, P. Langan, W.T. Heller, A. Kovalevsky, “Metal-free cAMP-dependent protein kinase can catalyze phosphoryl transfer”, Biochemistry 2014, 53, 3179-3186.
  • Q. Wan, Q. Zhang, S. Hamilton-Brehm, K. Weiss, M. Mustyakimov, L. Coates, P. Langan, D. Graham, A. Kovalevsky, “X-ray crystallographic studies of family 11 xylanase Michaelis and product complexes: implications for the catalytic mechanism”, Acta Crystallogr. 2014, D70, 11-23.
  • M.J. Waltman, Z.K. Yang, P. Langan, D.E. Graham, A. Kovalevsky, “Engineering acidic Streptomyces rubiginosus D-xylose isomerase by rational enzyme design”, Prot. Eng. Des. Select. 2014, 27, 59-64.
  • I.T. Weber, M.J. Waltman, M. Mustyakimov, M.P. Blakeley, D.A. Keen, A.K. Ghosh, P. Langan, A.Y. Kovalevsky, “Joint X-ray/Neutron Crystallographic Study of HIV-1 Protease with Clinical Inhibitor Amprenavir – Insights for Drug Design”, J. Med. Chem. 2013, 56, 5631-5635.
  • O. Gerlits, M.J. Waltman, S. Taylor, P. Langan, A. Kovalevsky, “Insights into the Phosphoryl Transfer Catalyzed by cAMP-Dependent Protein Kinase: An X-ray Crystallographic Study of Complexes with Various Methods and Peptide Substrate SP20”, Biochemistry 2013, 52, 3721-3727.