Paul A Langan Associate Laboratory Director Contact 865.574.4333 | langanpa@ornl.gov All Publications Capturing the Catalytic Proton of Dihydrofolate Reductase: Implications for General Acid–Base Catalysis Final Design Report Proton Power Upgrade Project Structural plasticity of SARS-CoV-2 3CL Mpro active site cavity revealed by room temperature X-ray crystallography BraggNet: integrating Bragg peaks using neural networks Neutron scattering in the biological sciences: progress and prospects Improving the accuracy and resolution of neutron crystallographic data by three-dimensional profile fitting of Bragg peaks in... Tension wood structure and morphology conducive for better enzymatic digestion Dynamics of water bound to crystalline cellulose In Vivo Protein Dynamics on the Nanometer Length Scale and Nanosecond Time Scale Understanding Multiscale Structural Changes During Dilute Acid Pretreatment of Switchgrass and Poplar Neutron Scattering for Biological Research: Progress at the Bio-SANS Beam Line Long‐Range Electrostatics‐Induced Two‐Proton Transfer Captured by Neutron Crystallography in an Enzyme Catalytic Site... A Structural Study of CESA1 Catalytic Domain of Arabidopsis Cellulose Synthesis Complex: Evidence for CESA Trimers... A Structural Study of CESA1 Catalytic Domain of Arabidopsis Cellulose Synthase Complex: Evidence for CESA Trimers... 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 Why Genetic Modification of Lignin Leads to Low-Recalcitrance Biomass... Toward resolving the catalytic mechanism of dihydrofolate reductase using neutron and ultrahigh-resolution X-ray crystallography Direct determination of protonation states and visualization of hydrogen bonding in a glycoside hydrolase with neutron crystallography Neutron and ultrahigh resolution X-ray crystallography reveals water as the proton donor in the catalytic mechanism of dihydr... Determination of cellulose crystallinity from powder diffraction diagrams... Hydration Control of the Mechanical and Dynamical Properties of Cellulose Pagination Current page 1 Page 2 Next page ›› Last page Last » Key Links ORCID Organizations User Facilities High Flux Isotope Reactor Spallation Neutron Source