Andrii Y Kovalevskyi Distinguished R&D Scientist Contact kovalevskyay@ornl.gov | 505.310.4184 All Publications Zooming in on protons: Neutron structure of protein kinase A trapped in a product complex... Temperature-Induced Replacement of Phosphate Proton with Metal Ion Captured in Neutron Structures of A-DNA... Neutron scattering in the biological sciences: progress and prospects... The Neutron Macromolecular Crystallography Instruments at Oak Ridge National Laboratory: Advances, Challenges, and Opportunit... A suite-level review of the neutron single-crystal diffraction instruments at Oak Ridge National Laboratory... Understanding the pH-Dependent Reaction Mechanism of a Glycoside Hydrolase Using High-Resolution X-ray and Neutron Crystallog... Hyperconjugation Promotes Catalysis in a Pyridoxal 5′-Phosphate-Dependent Enzyme... "To Be or Not to Be" Protonated: Atomic Details of Human Carbonic Anhydrase-Clinical Drug Complexes by Neutron Crystallograph... "To Be or Not to Be" Protonated: Atomic Details of Human Carbonic Anhydrase-Clinical Drug Complexes by Neutron Crystallography and Simulation Direct visualization of critical hydrogen atoms in a pyridoxal 5′-phosphate enzyme... Mannobiose Binding Induces Changes in Hydrogen Bonding and Protonation States of Acidic Residues in Concanavalin A As Reveale... Biological Structures... Neutron and Atomic Resolution X-ray Structures of a Lytic Polysaccharide Monooxygenase Reveal Copper-Mediated Dioxygen Bindin... Direct Evidence That an Extended Hydrogen-Bonding Network Influences Activation of Pyridoxal 5’- Phosphate in Aspartate Ami... Room temperature neutron crystallography of drug resistant HIV-1 protease uncovers limitations of X-ray structural analysis a... Neutron structures of the Helicobacter pylori 5′-methylthioadenosine nucleosidase highlight proton sharing and protonation states Direct visualization of critical hydrogen atoms in a pyridoxal 5′-phosphate enzyme Neutron/X-ray Joint Refinement of The Active and Inactive Form of Helicobacter pylori 5'-Methylthioadenosine Nucleosidase... Neutron structure of human carbonic anhydrase II in complex with methazolamide: mapping the solvent and hydrogen-bonding patt... Limitations in current acetylcholinesterase structure–based design of oxime antidotes for organophosphate poisoning... Long‐Range Electrostatics‐Induced Two‐Proton Transfer Captured by Neutron Crystallography in an Enzyme Catalytic Site... Protein Kinase A Catalytic Subunit Primed for Action – Time-Lapse Crystallographic Snapshots of the Michaelis Complex Forma... Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crysta... On the protonation states, hydrogen bonding and catalytic mechanism of family 11 glycosidases: Direct visualization with neut... Phosphoryl transfer reaction snapshots in crystals: Insights into the mechanism of protein kinase A catalytic subunit... Pagination First page « First Previous page ‹‹ … Page 2 Current page 3 Page 4 Next page ›› Last page Last » Key Links Curriculum Vitae Google Scholar ORCID Organizations Neutron Sciences Directorate User Facilities Spallation Neutron Source High Flux Isotope Reactor