neutron diffraction

Summary

Summary: The scattering of NEUTRONS by matter, especially crystals, with accompanying variation in intensity due to interference effects. It is useful in CRYSTALLOGRAPHY and POWDER DIFFRACTION.

Top Publications

  1. ncbi Conformational changes in SP-B as a function of surface pressure
    Wilfred K Fullagar
    School of Molecular and Microbial Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia
    Biophys J 85:2624-32. 2003
  2. ncbi Neutron diffraction and simulation studies of the exocyclic hydroxymethyl conformation of glucose
    Philip E Mason
    Department of Food Science, Stocking Hall, Cornell University, Ithaca, New York 14853, USA
    J Chem Phys 125:224505. 2006
  3. ncbi Nanostructures of colloidal complexes formed in oppositely charged polyelectrolyte/surfactant dilute aqueous solutions
    S Trabelsi
    Laboratoire de Physique des Solides, Universite Paris Sud, Batiment 510, 91405 Orsay Cedex, France
    Eur Phys J E Soft Matter 23:305-11. 2007
  4. ncbi Effects of macromolecular crowding on an intrinsically disordered protein characterized by small-angle neutron scattering with contrast matching
    Daniel Johansen
    Department of Biology, University of Utah, Salt Lake City, Utah, USA
    Biophys J 100:1120-8. 2011
  5. ncbi Constrained solution scattering modelling of human antibodies and complement proteins reveals novel biological insights
    Stephen J Perkins
    Department of Structural and Molecular Biology, University College London, Darwin Building, Gower Street, London WC1E 6BT, UK
    J R Soc Interface 6:S679-96. 2009
  6. ncbi Conformation of the HIV-1 Gag protein in solution
    Siddhartha A K Datta
    HIV Drug Resistance Program, National Cancer Institute Frederick, Frederick, MD 21702 1201, USA
    J Mol Biol 365:812-24. 2007
  7. ncbi Structure and hydration of membranes embedded with voltage-sensing domains
    Dmitriy Krepkiy
    Molecular Physiology and Biophysics Section, Porter Neuroscience Research Center, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA
    Nature 462:473-9. 2009
  8. ncbi Complicated water orientations in the minor groove of the B-DNA decamer d(CCATTAATGG)2 observed by neutron diffraction measurements
    Shigeki Arai
    Neutron Science Research Center, Japan Atomic Energy Research Institute 2-4 Shirakatashirane, Tokai, Ibaraki 319-1195, Japan
    Nucleic Acids Res 33:3017-24. 2005
  9. ncbi Neutron diffraction studies of fluid bilayers with transmembrane proteins: structural consequences of the achondroplasia mutation
    Xue Han
    Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland, USA
    Biophys J 91:3736-47. 2006
  10. ncbi Toward a taxonomy of the denatured state: small angle scattering studies of unfolded proteins
    Ian S Millett
    Department of Applied Physics, Stanford University, Stanford, California 92343, USA
    Adv Protein Chem 62:241-62. 2002

Research Grants

  1. Structural Basis for Bridged Bimetallic Enzyme Catalysis
    Dagmar Ringe; Fiscal Year: 2009
  2. Structural Basis for Bridged Bimetallic Enzyme Catalysis
    Dagmar Ringe; Fiscal Year: 2007
  3. CRYSTALLOGRAPHIC STUDIES ON RIBOSOMAL PARTICLES
    Ada Yonath; Fiscal Year: 1993
  4. Neutron Diffraction and MD Studies of the Studies of the Structure of Aqueous Sol
    John Brady; Fiscal Year: 2007
  5. Concerted membrane diffraction and simulation studies
    Stephen White; Fiscal Year: 2006
  6. CATALYTIC MECHANISM OF CARBONIC ANHYDRASE
    David Silverman; Fiscal Year: 2009
  7. CATALYTIC MECHANISM OF CARBONIC ANHYDRASE
    David Silverman; Fiscal Year: 2007
  8. NEUTRON DETECTORS FOR MACROMOLECULAR CRYSTALLOGRAPHY
    KRISHNA MANDAL; Fiscal Year: 2004
  9. CRYSTALLOGRAPHIC STUDIES ON RIBOSOMAL PARTICLES
    Ada Yonath; Fiscal Year: 1990
  10. Cold Neutrons For Biology And Technology
    Stephen White; Fiscal Year: 2005

Detail Information

Publications238 found, 100 shown here

  1. ncbi Conformational changes in SP-B as a function of surface pressure
    Wilfred K Fullagar
    School of Molecular and Microbial Sciences, The University of Queensland, Brisbane, Queensland 4072, Australia
    Biophys J 85:2624-32. 2003
    ....
  2. ncbi Neutron diffraction and simulation studies of the exocyclic hydroxymethyl conformation of glucose
    Philip E Mason
    Department of Food Science, Stocking Hall, Cornell University, Ithaca, New York 14853, USA
    J Chem Phys 125:224505. 2006
    The techniques of neutron diffraction with isotopic substitution (NDIS) and molecular dynamics (MD) simulations have been used to examine the rotational conformation of the exocyclic hydroxymethyl group of D-glucopyranose...
  3. ncbi Nanostructures of colloidal complexes formed in oppositely charged polyelectrolyte/surfactant dilute aqueous solutions
    S Trabelsi
    Laboratoire de Physique des Solides, Universite Paris Sud, Batiment 510, 91405 Orsay Cedex, France
    Eur Phys J E Soft Matter 23:305-11. 2007
    ..However, they possess a similar internal structure in both regimes. Carboxymethylcellulose/CTAB complexes are also large, soft and polydisperse but do not seem to exhibit well-defined internal structures...
  4. ncbi Effects of macromolecular crowding on an intrinsically disordered protein characterized by small-angle neutron scattering with contrast matching
    Daniel Johansen
    Department of Biology, University of Utah, Salt Lake City, Utah, USA
    Biophys J 100:1120-8. 2011
    ..These results are reminiscent of the behavior of polymers in concentrated melts, suggesting that these synthetic mixtures may provide useful insights into the properties of unfolded proteins under crowding conditions...
  5. ncbi Constrained solution scattering modelling of human antibodies and complement proteins reveals novel biological insights
    Stephen J Perkins
    Department of Structural and Molecular Biology, University College London, Darwin Building, Gower Street, London WC1E 6BT, UK
    J R Soc Interface 6:S679-96. 2009
    ..We conclude that constrained scattering modelling makes useful contributions to our understanding of antibody and complement structure and function...
  6. ncbi Conformation of the HIV-1 Gag protein in solution
    Siddhartha A K Datta
    HIV Drug Resistance Program, National Cancer Institute Frederick, Frederick, MD 21702 1201, USA
    J Mol Biol 365:812-24. 2007
    ..Since Gag is a rod-shaped molecule in the assembled immature virion, these findings imply that Gag undergoes a major conformational change upon virus assembly...
  7. ncbi Structure and hydration of membranes embedded with voltage-sensing domains
    Dmitriy Krepkiy
    Molecular Physiology and Biophysics Section, Porter Neuroscience Research Center, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, Maryland 20892, USA
    Nature 462:473-9. 2009
    ..Here we use neutron diffraction, solid-state nuclear magnetic resonance (NMR) spectroscopy and molecular dynamics simulations to ..
  8. ncbi Complicated water orientations in the minor groove of the B-DNA decamer d(CCATTAATGG)2 observed by neutron diffraction measurements
    Shigeki Arai
    Neutron Science Research Center, Japan Atomic Energy Research Institute 2-4 Shirakatashirane, Tokai, Ibaraki 319-1195, Japan
    Nucleic Acids Res 33:3017-24. 2005
    ..By neutron diffraction experiments, we have succeeded in determining most of the hydrogen (H) and deuterium (D) atomic positions ..
  9. ncbi Neutron diffraction studies of fluid bilayers with transmembrane proteins: structural consequences of the achondroplasia mutation
    Xue Han
    Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland, USA
    Biophys J 91:3736-47. 2006
    ..Here we use neutron diffraction to determine the disposition of FGFR3 transmembrane domain in fluid lipid bilayers, and investigate whether ..
  10. ncbi Toward a taxonomy of the denatured state: small angle scattering studies of unfolded proteins
    Ian S Millett
    Department of Applied Physics, Stanford University, Stanford, California 92343, USA
    Adv Protein Chem 62:241-62. 2002
  11. ncbi The active site protonation states of perdeuterated Toho-1 β-lactamase determined by neutron diffraction support a role for Glu166 as the general base in acylation
    Stephen J Tomanicek
    Oak Ridge National Laboratory, Neutron Scattering Science Division, Oak Ridge, TN 37831, USA
    FEBS Lett 585:364-8. 2011
    Room temperature neutron diffraction data of the fully perdeuterated Toho-1 R274N/R276N double mutant β-lactamase in the apo form were used to visualize deuterium atoms within the active site of the enzyme...
  12. ncbi Compression of random coils due to macromolecular crowding
    C Le Coeur
    Laboratoire Leon Brillouin, CEA CNRS, CEA Saclay, 91191 Gif sur Yvette, France
    Phys Rev E Stat Nonlin Soft Matter Phys 79:031910. 2009
    ....
  13. ncbi Hydrogen and hydration in proteins
    Nobuo Niimura
    Neutron Science Research Center, Japan Atomic Energy Research Institute, Shirane, Tokai mura, Naka gun, Ibaraki Ken, Japan
    Cell Biochem Biophys 40:351-69. 2004
    b>Neutron diffraction provides an experimental method of directly locating hydrogen atoms in proteins...
  14. ncbi The structure of polyunsaturated lipid bilayers important for rhodopsin function: a neutron diffraction study
    Mihaela Mihailescu
    Biophys J 90:L04-6. 2006
    ..bilayers with perdeuterated stearoyl- or docosahexaenoyl hydrocarbon chains was investigated by neutron diffraction. Experiments were conducted at two different relative humidities, 66 and 86%...
  15. ncbi Analysis of X-ray and neutron scattering from biomacromolecular solutions
    Maxim V Petoukhov
    EMBL, Hamburg Outstation, Germany
    Curr Opin Struct Biol 17:562-71. 2007
    ....
  16. ncbi Localization of coenzyme Q10 in the center of a deuterated lipid membrane by neutron diffraction
    Thomas Hauss
    Hahn Meitner Institute, Berlin Neutron Scattering Centre, Glienicker Strasse 100, D 14109 Berlin, Germany Darmstadt University of Technology, Dept of Chemistry, Physical Biochemistry, Petersenstrasse 22, D 64287 Darmstadt, Germany
    Biochim Biophys Acta 1710:57-62. 2005
    ..Seeking unambiguous evidence for the localization of ubiquinone within lipid bilayers, we have employed neutron diffraction. CoQ10 was incorporated into stacked bilayers of perdeuterated dimyristoyl phosphatidyl choline doped with ..
  17. ncbi Neutron diffraction reveals sequence-specific membrane insertion of pre-fibrillar islet amyloid polypeptide and inhibition by rifampicin
    Kia Balali-Mood
    Veterinary Biomedical Sciences, R D SVS, University of Edinburgh, Summerhall, Edinburgh EH9 1QH, UK
    FEBS Lett 579:1143-8. 2005
    ..In the first structural study of membrane-associated hIAPP, lamellar neutron diffraction shows that oligomeric hIAPP inserts into phospholipid bilayers, and extends across the membrane...
  18. ncbi Influence of hydration on the dynamics of lysozyme
    J H Roh
    Department of Polymer Science, The University of Akron, Akron, Ohio 44325-3909, USA
    Biophys J 91:2573-88. 2006
    ....
  19. ncbi Shape and subunit organisation of the DNA methyltransferase M.AhdI by small-angle neutron scattering
    P Callow
    EPSAM and ISTM Research Institutes, Keele University, Staffordshire ST5 5BG, UK
    J Mol Biol 369:177-85. 2007
    ....
  20. ncbi Membrane insertion of a lipidated ras peptide studied by FTIR, solid-state NMR, and neutron diffraction spectroscopy
    Daniel Huster
    Junior Research Group Solid State NMR Studies of Membrane Associated Proteins, University of Leipzig, Liebigstrasse 27, D 04103 Leipzig, Germany
    J Am Chem Soc 125:4070-9. 2003
    ..the C-terminus of the human N-ras protein was studied by Fourier transform infrared, solid-state NMR, and neutron diffraction spectroscopy...
  21. ncbi Relationship between structure, dynamics and function of hydrated purple membrane investigated by neutron scattering and dielectric spectroscopy
    Alexandra Buchsteiner
    Hahn Meitner Institut Berlin, Glienicker Str 100, D 14109 Berlin, Germany
    J Mol Biol 371:914-23. 2007
    ..PM) with its protein bacteriorhodopsin (BR), a light-driven proton pump, complementary information from neutron diffraction, quasi-elastic neutron scattering (QENS) and dielectric spectroscopy will form a comprehensive picture of ..
  22. ncbi Protein dynamics studied by neutron scattering
    Frank Gabel
    Institut de Biologie Structurale, 41 rue Jules Horowitz, 38027 Grenoble, France
    Q Rev Biophys 35:327-67. 2002
    ..The biological relevance of the experimental results is discussed. The major conclusion of the last decade concerns the strong dependence of internal dynamics on the macromolecular environment...
  23. ncbi Fatty acid interdigitation in stratum corneum model membranes: a neutron diffraction study
    A Ruettinger
    Institute of Pharmacy, Martin Luther University, Wolfgang Langenbeck Str 4, 06120, Halle Saale, Germany
    Eur Biophys J 37:759-71. 2008
    ..CER [AP]), cholesterol (Ch), FFA and cholesterol sulphate (ChS) was investigated by neutron diffraction. The internal nanostructure of the SC lipid membrane in addition to the water distribution function was ..
  24. ncbi Controlling the protein dynamical transition with sugar-based bioprotectant matrices: a neutron scattering study
    E Cornicchi
    , CEMIN (Centro di Eccellenza per i Materiali Innovativi Nanostrutturati) and INFM CRS-SOFT, 06123 Perugia, Italy
    Biophys J 91:289-97. 2006
    ..A possible connection between the protein dynamical response versus T and the thermal stability in glucose-water bioprotectant matrices is proposed...
  25. ncbi Protein folding in membranes: insights from neutron diffraction studies of a membrane beta-sheet oligomer
    Xue Han
    The Johns Hopkins University, Department of Materials Science and Engineering, Baltimore, Maryland 21218, USA
    Biophys J 94:492-505. 2008
    ..Yet, the exact structure of the oligomer in the lipid bilayer is unknown. Here we use neutron diffraction to study the disposition of the peptides in bilayers...
  26. ncbi Neutron diffraction studies of Escherichia coli dihydrofolate reductase complexed with methotrexate
    Brad Bennett
    Department of Biochemistry, Cellular and Molecular Biology, M407 Walters Life Sciences, University of Tennessee, Knoxville, TN 37996, USA
    Proc Natl Acad Sci U S A 103:18493-8. 2006
    ..Several D(2)Os are observed at hydrophobic surfaces, including two pockets near the MTX-binding site. A previously unidentified D(2)O hydrogen bonds with the catalytic D27 in mon. B, stabilizing its negative charge...
  27. ncbi Conditioning action of the environment on the protein dynamics studied through elastic neutron scattering
    A Paciaroni
    Dipartimento di Fisica dell Università di Perugia, CNR INFM CRS SOFT, Via A Pascoli, 06123, Perugia, Italy
    Eur Biophys J 35:591-9. 2006
    ..The dynamical response of the protein to temperature is put in relationship with its thermal stability...
  28. ncbi Cholesterol hydroxyl group is found to reside in the center of a polyunsaturated lipid membrane
    Thad A Harroun
    National Research Council, Canadian Neutron Beam Centre, Chalk River, Ontario K0J 1J0, Canada
    Biochemistry 45:1227-33. 2006
    ..We attribute the change in location to the high disorder of polyunsaturated fatty acids (PUFA) that is incompatible with close proximity to the steroid moiety in its usual "upright" orientation...
  29. ncbi Bulk-solvent and hydration-shell fluctuations, similar to alpha- and beta-fluctuations in glasses, control protein motions and functions
    P W Fenimore
    Theory Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Proc Natl Acad Sci U S A 101:14408-13. 2004
    ..The large number of conformational substates is essential; proteins cannot function without this reservoir of entropy, which resides mainly in the hydration shell...
  30. ncbi Global rigid body modeling of macromolecular complexes against small-angle scattering data
    Maxim V Petoukhov
    European Molecular Biology Laboratory, Hamburg, Germany
    Biophys J 89:1237-50. 2005
    ..The methods described are implemented in publicly available computer programs running on major hardware platforms...
  31. ncbi A new neutron single-crystal diffractometer dedicated for biological macromolecules (BIX-4)
    Kazuo Kurihara
    Neutron Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki 319 1195, Japan
    J Synchrotron Radiat 11:68-71. 2004
    ..5 times larger than previous BIX-3. That higher performance increases the opportunities to apply neutron crystallography to biological macromolecules which give only weak reflections and/or small crystals...
  32. ncbi Neutron crystallographic study on rubredoxin from Pyrococcus furiosus by BIX-3, a single-crystal diffractometer for biomacromolecules
    Kazuo Kurihara
    Neutron Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki 319 1195, Japan
    Proc Natl Acad Sci U S A 101:11215-20. 2004
    ..The neutron Fourier maps clearly showed the details of an extensive set of H bonds involving the ND3+ terminus that may contribute to the unusual thermostability of this molecule...
  33. ncbi Insertion of externally administered amyloid beta peptide 25-35 and perturbation of lipid bilayers
    Silvia Dante
    Physical Biochemistry, Darmstadt University of Technology, Petersenstrasse 22, D 64287 Darmstadt, Germany
    Biochemistry 42:13667-72. 2003
    ..Abeta(25-35) has been localized in the region of the lipid alkyl chain, and it has a severe disordering effect on the lamellar order of the lipid bilayer. Both of these results are of biomedical relevance...
  34. ncbi Crystallization of a large single crystal of cubic insulin for neutron protein crystallography
    M Maeda
    Neutron Science Research Center, Japan Atomic Energy Research Institute, 2 4 Sirakata Shirane, Tokai mura, Naka gun, Ibaraki Ken, 319 1195, Japan
    J Synchrotron Radiat 11:41-4. 2004
    ..of cubic porcine insulin for characterization of hydrogen and hydration in cubic insulin crystals by neutron diffraction analysis is reported...
  35. ncbi Hydration structures in proteins and neutron diffraction experiment on dissimilatory sul te reductase D (DsrD)
    Toshiyuki Chatake
    Neutron Structural Biology, Neutron Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki 319 1195, Japan
    J Synchrotron Radiat 11:72-5. 2004
    ..In addition, the neutron diffraction study of a DNA-binding protein, dissimilatory sulfite reductase D (DsrD) is briefly described, and some ..
  36. ncbi Hydration in proteins observed by high-resolution neutron crystallography
    Toshiyuki Chatake
    Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai-mura, Ibaraki-ken, Japan
    Proteins 50:516-23. 2003
    ..Our results further show that there are strong relationships between these shapes and the water environments...
  37. ncbi Ion solvation and water structure in potassium halide aqueous solutions
    Alan K Soper
    ISIS Facility, Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX, United Kingdom
    Biophys Chem 124:180-91. 2006
    ..8 ion pairs per 100 water molecules, using the combined techniques of neutron diffraction with hydrogen isotope substitution...
  38. ncbi Structure and interaction in protein solutions as studied by small-angle neutron scattering
    S Chodankar
    Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai-400 085, India
    Phys Rev E Stat Nonlin Soft Matter Phys 72:041931. 2005
    ..The time dependent data have been used to obtain the fraction of crystallization as a function of time...
  39. ncbi Nanometer-scale ion aggregates in aqueous electrolyte solutions: guanidinium sulfate and guanidinium thiocyanate
    P E Mason
    Department of Food Science, Stocking Hall, Cornell University, Ithaca, New York 14853, USA
    J Phys Chem B 109:24185-96. 2005
    b>Neutron diffraction experiments and molecular dynamics simulations are used to study the structure of aqueous solutions of two electrolytes: guanidinium sulfate (a mild protein conformation stabilizer) and guanidinium thiocyanate (a ..
  40. ncbi Membrane-bound ARF1 peptide: interpretation of neutron diffraction data by molecular dynamics simulation methods
    K Balali-Mood
    Veterinary Biomedical Sciences, Royal Dick School of Veterinary Studies, College of Medicine and Veterinary Medicine, University of Edinburgh, Edinburgh, UK
    Mol Membr Biol 22:379-88. 2005
    ..N-terminal peptide in planar lipid bilayers of DOPC and DOPG (7:3 molar ratio), determined from lamellar neutron diffraction and circular dichroism data...
  41. ncbi Clathrate formation and dissociation in vapor/water/ice/hydrate systems in SBA-15, sol-gel and CPG porous media, as probed by NMR relaxation, novel protocol NMR cryoporometry, neutron scattering and ab initio quantum-mechanical molecular dynamics simulati
    J Beau W Webber
    Institute of Petroleum Engineering, Heriot Watt University, Edinburgh EH14 4AS, UK
    Magn Reson Imaging 25:533-6. 2007
    ..Ab initio quantum-mechanical molecular dynamics calculations are also being employed to probe the dynamics of liquids in pores at nanometric dimensions...
  42. ncbi Hydration of POPC bilayers studied by 1H-PFG-MAS-NOESY and neutron diffraction
    Klaus Gawrisch
    Laboratory of Membrane Biochemistry and Biophysics, NIAAA, NIH, Bethesda, MD 20892, USA
    Eur Biophys J 36:281-91. 2007
    ..The distribution of water molecules over the lipid bilayer was measured at identical water content by neutron diffraction. Water molecules penetrate deep into the interfacial region of bilayers but water concentration in the ..
  43. ncbi An assessment of the accuracy of methods for predicting hydrogen positions in protein structures
    Lucy R Forrest
    Department of Biochemistry and Molecular Biophysics, Columbia University, New York, New York 10032, USA
    Proteins 61:296-309. 2005
    ..9 A resolution), as well as of a number of relatively high-resolution neutron diffraction structures (< 1...
  44. ncbi Nanosecond molecular relaxations in lipid bilayers studied by high energy-resolution neutron scattering and in situ diffraction
    Maikel C Rheinstädter
    Institut Laue Langevin, 6 rue Jules Horowitz, Boite Postale 156, 38042 Grenoble Cedex 9, France
    Phys Rev E Stat Nonlin Soft Matter Phys 75:011907. 2007
    ..From this analysis we quantify two relaxation processes. We associate the fast relaxation with translational diffusion of lipid and water molecules while the slow process likely stems from collective dynamics...
  45. ncbi Conformation of poly(L-lysine)-graft-poly(ethylene glycol) molecular brushes in aqueous solution studied by small-angle neutron scattering
    L Feuz
    Laboratory for Surface Science and Technology, Department of Materials, ETH Zurich, Wolfgang Pauli Strasse 10, CH 8093 Zurich, Switzerland
    Eur Phys J E Soft Matter 23:237-45. 2007
    ..This finding is in agreement with earlier simulation and recent theoretical results...
  46. ncbi High-pressure/low-temperature neutron scattering of gas inclusion compounds: progress and prospects
    Yusheng Zhao
    Los Alamos Neutron Science Center, Earth and Environmental Sciences Division, and Chemistry Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA
    Proc Natl Acad Sci U S A 104:5727-31. 2007
    ..We have developed high-pressure/low-temperature gas/fluid cells in conjunction with neutron diffraction and inelastic neutron scattering instruments allowing in situ and real-time examination of gas uptake/..
  47. ncbi Effects of hydration water on protein methyl group dynamics in solution
    Daniela Russo
    CNR INFM and CRS Soft, c o Institut Laue Langevin, 6 rue J Horowitz, BP156, F 38042 Grenoble, France
    Phys Rev E Stat Nonlin Soft Matter Phys 75:040902. 2007
    ..They provide unique experimental evidence that the structural and dynamical properties of the interfacial water strongly influence the side-chain dynamics and the activation of diffusive motion...
  48. ncbi Neutron protein crystallography: beyond the folding structure of biological macromolecules
    Nobuo Niimura
    Institute of Applied Beam Science, Graduate School of Science and Engineering, Ibaraki University, 4 12 1 Naka Narusawa, Hitachi, Ibaraki 316 8511, Japan
    Acta Crystallogr A 64:12-22. 2008
    b>Neutron diffraction provides an experimental method of directly locating H atoms in proteins, a technique complementary to ultra-high-resolution X-ray diffraction...
  49. ncbi Dynamics of Water in NaxCoO2.yH2O
    Niina Jalarvo
    Hahn Meitner Institut, Glienicker Strasse 100, 14109 Berlin, Germany
    J Phys Chem B 112:703-9. 2008
    ..Furthermore, our results indicate that, at room temperature, the sodium ions have no influence on the rotational dynamics of the "fast" water molecules...
  50. ncbi X-ray and neutron scattering studies of the hydration structure of alkali ions in concentrated aqueous solutions
    S Ansell
    ISIS Division, Rutherford Appleton Laboratory, Chilton, Didcot, OX11 0QX, UK
    Biophys Chem 124:171-9. 2006
    ..focus on the structural properties of ions in water and it will be shown how the 'difference' methods of neutron diffraction with isotopic substitution (NDIS) and anomalous X-ray diffraction (AXD) can be used to obtain direct ..
  51. ncbi Dispersion relation of lipid membrane shape fluctuations by neutron spin-echo spectrometry
    Maikel C Rheinstädter
    Institut Laue Langevin, 6 rue Jules Horowitz, BP 156, 38042 Grenoble Cedex 9, France
    Phys Rev Lett 97:048103. 2006
    ..The softening of a mode which can be associated with the formation of the ripple structure is observed close to the main phase transition...
  52. ncbi The hydration of the neurotransmitter acetylcholine in aqueous solution
    E C Hulme
    Division of Physical Biochemistry, MRC National Institute for Medical Research, London, United Kingdom
    Biophys J 91:2371-80. 2006
    b>Neutron diffraction augmented with hydrogen isotope substitution has been used to examine the water structure around the acetylcholine molecular ion in aqueous solution...
  53. ncbi Temperature dependence of protein dynamics as affected by sugars: a neutron scattering study
    S Magazu
    Physics Department and INFM, Messina University, Messina, Italy
    Eur Biophys J 36:685-91. 2007
    ..Whereas the Q dependence of the elastic incoherent structure factor gives information about the geometry and the amplitudes of the motions...
  54. ncbi Structural studies on the hydration of L-glutamic acid in solution
    Sylvia E McLain
    Rutherford Appleton Laboratory, ISIS Facility, Chilton, Didcot, Oxfordshire OX11 0QX, United Kingdom
    J Phys Chem B 110:21251-8. 2006
    A combination of neutron diffraction augmented with isotopic substitution and computer modeling using empirical potential structure refinement has been used to extract detailed structural information for L-glutamic acid dissolved in 2 M ..
  55. ncbi Adsorption structures of water in NaX studied by DRIFT spectroscopy and neutron powder diffraction
    Jens Hunger
    , , Johannisallee 29, D-04103 Leipzig, Germany
    J Phys Chem B 110:342-53. 2006
    ..We find strong evidence for the formation of cyclic hexamers of water molecules localized in the 12-ring windows, which are further stabilized by hydrogen bonds to framework oxygen atoms...
  56. ncbi Detection of ligand- and solvent-induced shape alterations of cell-growth-regulatory human lectin galectin-1 in solution by small angle neutron and x-ray scattering
    Lizhong He
    Institute for Coastal Research, Physical and Chemical Analysis, Geesthacht, Germany
    Biophys J 85:511-24. 2003
    ..We have hereby proven that ligand presence and an aprotic solvent significantly affect the shape of galectin-1 in solution...
  57. ncbi Neutron diffraction and simulation studies of CsNO3 and Cs2CO3 solutions
    Philip E Mason
    Department of Food Science, Stocking Hall, Cornell University, Ithaca, New York 14853, USA
    J Am Chem Soc 128:15136-44. 2006
    b>Neutron diffraction with isotopic substitution (NDIS) experiments and molecular dynamics (MD) simulations have been used to study the structuring in aqueous solution of two cesium salts, cesium carbonate, and cesium nitrate...
  58. ncbi Short-range order and collective dynamics of DMPC bilayers: a comparison between molecular dynamics simulations, X-ray, and neutron scattering experiments
    Jochen S Hub
    Computational Biomolecular Dynamics Group, Max Planck Institute for Biophysical Chemistry, Gottingen, Germany
    Biophys J 93:3156-68. 2007
    ..The conventional interpretation in terms of the three-effective-eigenmode model is found to be only partly suitable to describe the complex fluid dynamics of lipid chains...
  59. ncbi Hydration effect on low-frequency protein dynamics observed in simulated neutron scattering spectra
    Yasumasa Joti
    Institute of Molecular and Cellular Biosciences, University of Tokyo, 1 1 1 Yayoi, Bunkyo ku, Tokyo 113 0032, Japan
    Biophys J 94:4435-43. 2008
    ..The fine structure of the dynamics structure factor is expected to be detected by the experiment if a high resolution instrument (< approximately 20 microeV) is developed in the near future...
  60. ncbi X-ray and neutron diffraction studies and MD simulation of atomic configurations in polyamorphic Y2O3-Al2O3 systems
    M C Wilding
    Department of Geology and McClellan Nuclear Radiation Center, University of California at Davis, Davis, CA 95616, USA
    Philos Transact A Math Phys Eng Sci 363:589-607. 2005
    ..Calculated partial radial distribution functions indicate that the primary differences between HDA and LDA configurations occur among the Y-Y correlations...
  61. ncbi Lipid bilayer structure determined by the simultaneous analysis of neutron and X-ray scattering data
    Norbert Kucerka
    Canadian Neutron Beam Centre, National Research Council, Chalk River, Ontario K0J 1J0, Canada
    Biophys J 95:2356-67. 2008
    ....
  62. ncbi Determination of bilayer thickness and lipid surface area in unilamellar dimyristoylphosphatidylcholine vesicles from small-angle neutron scattering curves: a comparison of evaluation methods
    Norbert Kucerka
    Department of Chemical Theory of Drugs, Faculty of Pharmacy, Comenius University, Kalinciakova 8, 832 32, Bratislava, Slovakia
    Eur Biophys J 33:328-34. 2004
    ..5 A(3), it was possible to obtain from the experimental data the DMPC surface area as 58.9+/-0.8 A(2), the bilayer thickness as 44.5+/-0.3 A and the number of water molecules as 6.8+/-0.2 per DMPC located in the bilayer polar region...
  63. ncbi Hydration dynamics near a model protein surface
    Daniela Russo
    Department of Bioengineering, University of California at Berkeley, Berkeley, California 94720, USA
    Biophys J 86:1852-62. 2004
    ..We discuss the hydration dynamics results of this model protein system in the context of protein function and protein-protein recognition...
  64. ncbi Picosecond internal dynamics of lysozyme as affected by thermal unfolding in nonaqueous environment
    A De Francesco
    Istituto Nazionale per la Fisica della Materia, , Perugia 06121, Italy
    Biophys J 86:480-7. 2004
    ..Conversely the faster component might be ascribed to the local dynamics of hydrogen atoms caged by the nearest neighbors with characteristic time of approximately 0.3 ps...
  65. ncbi Neutron diffraction studies on rubredoxin from Pyrococcus furiosus
    Robert Bau
    Chemistry Department, University of Southern California, Los Angeles, CA 90007, USA
    J Synchrotron Radiat 11:76-9. 2004
    Single-crystal neutron diffraction data up to a resolution of 1...
  66. ncbi Refolding of a high molecular weight protein: salt effect on collapse
    D Lairez
    , Gif-sur-Yvette, France
    Biophys J 84:3904-16. 2003
    ..This behavior is discussed with respect to the scaling theories for polymers and polyampholytes...
  67. ncbi Protein structure and hydration probed by SANS and osmotic stress
    Christopher Stanley
    NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland, USA
    Biophys J 94:2777-89. 2008
    ..These results provide a framework for studying other biomolecular systems and assemblies using neutron scattering together with osmotic stress...
  68. ncbi Molecular dynamics decomposition of temperature-dependent elastic neutron scattering by a protein solution
    Jennifer A Hayward
    Interdisciplinary Centre for Computational Science (JWR, University of Heidelberg, Heidelberg, Germany
    Biophys J 85:679-85. 2003
    ..The proportion that the external dynamics contributes to the protein mean-square displacement increases to approximately 30 and 60% at 300 K on the 10- and 100-ps timescales, respectively...
  69. ncbi SANS/SAXS study of the BSA solvation properties in aqueous urea solutions via a global fit approach
    Raffaele Sinibaldi
    Dipartimento di Scienze Applicate ai Sistemi Complessi, Universita Politecnica delle Marche, Via Brecce Bianche, 60019 Ancona, Italy
    Eur Biophys J 37:673-81. 2008
    ..Results confirm that urea preferentially sticks to the protein surface, inducing a noticeable change in both the repulsive and the attractive interaction potentials...
  70. ncbi The structure of aqueous guanidinium chloride solutions
    Philip E Mason
    Contribution from the Department of Food Science, Stocking Hall, Cornell University, Ithaca, NY 14853, USA
    J Am Chem Soc 126:11462-70. 2004
    The combination of neutron diffraction with isotopic substitution (NDIS) experiments and molecular dynamics (MD) simulations to characterize the structuring in an aqueous solution of the denaturant guanidinium chloride is described...
  71. ncbi An ordered low-temperature phase of barium nitroprusside trihydrate studied by neutron diffraction
    G Chevrier
    , CEN Saclay, 91191 Gif sur Yvette, France
    Acta Crystallogr C 59:i59-62. 2003
    ..3H(2)O, have been studied by neutron diffraction in order to examine the structural behaviour of the compound in the 20-120 K temperature range and to ..
  72. ncbi Protein dynamics in solution and powder measured by incoherent elastic neutron scattering: the influence of Q-range and energy resolution
    Frank Gabel
    Institut de Biologie Structurale, 41 rue Jules Horowitz, 38027 Grenoble Cedex 1, France
    Eur Biophys J 34:1-12. 2005
    ..Finally, analogies between the Gaussian approximation in IENS and the Guinier approximation in small-angle scattering are discussed...
  73. ncbi Dynamic properties of an oriented lipid/DNA complex studied by neutron scattering
    F Natali
    INFM-OGG, Grenoble, France
    Biophys J 88:1081-90. 2005
    ..Our results show that a substantial modification of the membrane dynamics is accompanied by the balancing of the total net charge inside the complex, together with the consequent displacement of interlayer water molecules...
  74. ncbi Hydration dependence of active core fluctuations in bacteriorhodopsin
    Kathleen Wood
    Institut Laue Langevin, BP 156, F 38042 Grenoble Cedex 9, France
    Biophys J 95:194-202. 2008
    ..The results suggest that the inhibition of high-amplitude motions by lowering hydration may play a key role in the slowing down of the photocycle and the proton pumping activity of BR...
  75. ncbi Water structure around dipeptides in aqueous solutions
    Sylvia E McLain
    Neutron Scattering Sciences Division and Center for Molecular Biophysics, Oak Ridge National Laboratory, P O Box 2008, Oak Ridge, TN 37831 6475, USA
    Eur Biophys J 37:647-55. 2008
    ..glycyl-L-proline and L:-alanyl-L-proline-has been determined by a combination of neutron diffraction with isotopic substitution and empirical potential structural refinement techniques...
  76. ncbi Dynamics of C-phycocyanin in various deuterated trehalose/water environments measured by quasielastic and elastic neutron scattering
    Ingo Köper
    Laboratoire Léon Brillouin UMR 12 CEA CNRS, CEA Saclay, 91191, Gif sur Yvette Cedex, France
    Eur Biophys J 37:739-48. 2008
    ..These results suggest that a role of trehalose would be to stabilize proteins by inhibiting some fluctuations at the origin of protein unfolding and denaturation...
  77. ncbi Protein dynamics and stability: the distribution of atomic fluctuations in thermophilic and mesophilic dihydrofolate reductase derived using elastic incoherent neutron scattering
    Lars Meinhold
    Heidelberg University, Interdisciplinary Center for Scientific Computing, Computational Molecular Biophysics, Heidelberg, Germany
    Biophys J 94:4812-8. 2008
    ..Therefore, these results imply that the thermophilic enzyme is the more flexible of the two...
  78. ncbi Collective dynamics of lipid membranes studied by inelastic neutron scattering
    M C Rheinstädter
    Institut Laue Langevin, 6 rue Jules Horowitz, BP 156, 38042 Grenoble Cedex 9, France
    Phys Rev Lett 93:108107. 2004
    ..Finally, we can clearly identify an additional nondispersive (optical) mode predicted by molecular dynamics simulations [Phys. Rev. Lett. 87, 238101 (2001)]]...
  79. ncbi The 15-K neutron structure of saccharide-free concanavalin A
    M P Blakeley
    European Molecular Biology Laboratory, 6 rue Jules Horowitz, B.P. 181, 38042 Grenoble 9, France
    Proc Natl Acad Sci U S A 101:16405-10. 2004
    ..Methodologically, this successful neutron cryo protein structure refinement opens up categories of neutron protein crystallography, including freeze-trapped structures and cryo to room temperature comparisons...
  80. ncbi Structure of a fluid dioleoylphosphatidylcholine bilayer determined by joint refinement of x-ray and neutron diffraction data. I. Scaling of neutron data and the distributions of double bonds and water
    M C Wiener
    Department of Physiology and Biophysics, University of California, Irvine 92717
    Biophys J 60:568-76. 1991
    ..The distribution was determined by neutron diffraction of oriented multilayers (66% RH) of DOPC specifically deuterated at the 9- and 10-position of both acyl ..
  81. ncbi Neutron structure of type-III antifreeze protein allows the reconstruction of AFP-ice interface
    Eduardo I Howard
    IFLYSIB, UNLP CONICET, Calle 59, 789, B1900BTE, La Plata, Argentina
    J Mol Recognit 24:724-32. 2011
    ..Due to the strong diffraction signal from both the oxygen and deuterium atoms, neutron diffraction provides a more effective way to determine the water molecule positions (as D(2) O)...
  82. ncbi High-field EPR spectroscopy applied to biological systems: characterization of molecular switches for electron and ion transfer
    K Möbius
    Department of Physics, Free University Berlin, Berlin, Germany
    Phys Chem Chem Phys 7:19-42. 2005
    ..A large variety of experimental techniques is being used including X-ray and neutron diffraction, but also time-resolved optical, infrared and magnetic resonance spectroscopy...
  83. ncbi A calorimetric study on the low temperature dynamics of doped ice V and its reversible phase transition to hydrogen ordered ice XIII
    Christoph G Salzmann
    Inorganic Chemistry Laboratory, University of Oxford, South Parks Road, Oxford, UK
    Phys Chem Chem Phys 10:6313-24. 2008
    ..does not lead to formation of hydrogen ordered ice XIII, a result which is consistent with our powder neutron diffraction study (C. G. Salzmann, P. G. Radaelli, A. Hallbrucker, E. Mayer, J. L. Finney, Science, 2006, 311, 1758)...
  84. ncbi Solid-state 35/37Cl NMR spectroscopy of hydrochloride salts of amino acids implicated in chloride ion transport channel selectivity: opportunities at 900 MHz
    David L Bryce
    Department of Chemistry, University of Ottawa, Ottawa, Ontario K1N 6N5, Canada
    J Am Chem Soc 128:2121-34. 2006
    ..A simple model for rationalizing the observed trend in C(Q) is proposed. For salts for which neutron diffraction structures are available, we identify a quantum chemical method which reproduces experimental values of C(Q)..
  85. ncbi Structural comparison of the plant satellite viruses
    N Ban
    Department of Biochemistry, University of California at Riverside 92521, USA
    Virology 214:571-83. 1995
    ..Low-resolution neutron diffraction studies using H2O/D2O solvent contrast variation revealed the general location of the RNA genome within the ..
  86. ncbi Beta-diketiminate-stabilized magnesium(I) dimers and magnesium(II) hydride complexes: synthesis, characterization, adduct formation, and reactivity studies
    Simon J Bonyhady
    School of Chemistry, Monash University, PO Box 23, Melbourne, Vic, 3800, Australia
    Chemistry 16:938-55. 2010
    ..Although attempts to prepare [((Mes)Nacnac)Mg(mu-H)(2)Mg((Mes)Nacnac)] were not successful, a neutron diffraction study of the corresponding magnesium(I) complex, [((Mes)Nacnac)MgMg((Mes)Nacnac)] confirmed that the ..
  87. ncbi Structure and phase transitions of monolayers of intermediate-length n-alkanes on graphite studied by neutron diffraction and molecular dynamics simulation
    A Diama
    Department of Physics and Astronomy and the University of Missouri Research Reactor, University of Missouri, Columbia, Missouri 65211, USA
    J Chem Phys 131:084707. 2009
    We present evidence from neutron diffraction measurements and molecular dynamics (MD) simulations of three different monolayer phases of the intermediate-length alkanes tetracosane (n-C(24)H(50) denoted as C24) and dotriacontane (n-C(32)..
  88. ncbi Fibrin assembly after fibrinopeptide A release in model systems and human plasma studied with magnetic birefringence
    J Torbet
    Institut Laue Langevin, Grenoble, France
    Biochem J 244:633-7. 1987
    ..Therefore at low resolution the packing of the monomers within fibres is the same when fibrinopeptide A only or both fibrinopeptides A and B are removed...
  89. ncbi Unambiguous determination of H-atom positions: comparing results from neutron and high-resolution X-ray crystallography
    Anna S Gardberg
    Oak Ridge National Laboratory, USA
    Acta Crystallogr D Biol Crystallogr 66:558-67. 2010
    ..b>Neutron diffraction offers a relatively greater scattering magnitude from H and D atoms. Here, 1...
  90. ncbi A neutron crystallographic analysis of a rubredoxin mutant at 1.6 A resolution
    Toshiyuki Chatake
    Neutron Structural Biology Group, Advanced Science Research Center, Japan Atomic Energy Research Institute, Tokai, Ibaraki 319 1195
    Acta Crystallogr D Biol Crystallogr 60:1364-73. 2004
    A neutron diffraction study has been carried out at 1.6 A resolution on a mutant rubredoxin from Pyrococcus furiosus using the BIX-3 single-crystal diffractometer at the JRR-3 reactor of the Japan Atomic Energy Research Institute...
  91. ncbi [Collaborative use of neutron and X-ray for determination of drug target proteins]
    Ryota Kuroki
    Japan Atomic Energy Agency, Ibaraki, Japan
    Yakugaku Zasshi 130:657-64. 2010
    ..b>Neutron diffraction data can provide information of the location of hydrogen atoms, and is complementary to the structural ..
  92. ncbi Liquid-like water confined in stacks of biological membranes at 200 k and its relation to protein dynamics
    M Weik
    Laboratoire de Biophysique Moleculaire, Institut de Biologie Structurale CEA CNRS UJF, 41 rue Jules Horowitz, 38027 Grenoble Cedex 1, France
    Biophys J 89:3639-46. 2005
    ..b>Neutron diffraction showed that upon heating to 200 K the intermembrane water space decreased sharply with an associated ..
  93. ncbi Moist and soft, dry and stiff: a review of neutron experiments on hydration-dynamics-activity relations in the purple membrane of Halobacterium salinarum
    G Zaccai
    Institut de Biologie Structurale, Grenoble, France
    Biophys Chem 86:249-57. 2000
    ..b>Neutron diffraction, elastic and quasielastic scattering, allowed to map the distribution of water and lipids and to measure ..
  94. ncbi Tertiary structure of bacteriorhodopsin. Positions and orientations of helices A and B in the structural map determined by neutron diffraction
    J L Popot
    Institut de Biologie Physico Chimique, Paris, France
    J Mol Biol 210:829-47. 1989
    Positions and rotations of two helices in the tertiary structure of bacteriorhodopsin have been studied by neutron diffraction using reconstituted, hybrid purple membrane samples...
  95. ncbi Microcrystalline hexagonal tungsten bronze. 2. Dehydration dynamics
    Vittorio Luca
    Australian Nuclear Science and Technology Organisation, ANSTO Minerals, New Illawarra Road, Lucas Heights, NSW 2234, Australia
    Inorg Chem 48:5663-76. 2009
    ..X-ray diffractometer, while thermal transformations in vacuum were studied using synchrotron X-ray and neutron diffraction. Concurrent thermogravimetric, diffuse reflectance infrared (DRIFT), and (23)Na and (133)Cs magic angle ..
  96. ncbi Octahedral tilting in Pb-based relaxor ferroelectrics at high pressure
    Bernd J Maier
    Department Geowissenschaften, , Grindelallee 48, 20146 Hamburg, Germany
    Acta Crystallogr B 66:280-91. 2010
    We have employed a combination of powder neutron diffraction and single-crystal synchrotron X-ray diffraction to characterize the pressure-induced phase transitions that occur in the perovskite-type relaxor ferroelectric PbSc(0.5)Ta(0...
  97. ncbi Synthesis, crystal structure, atomic Hirshfeld surfaces, and physical properties of hexagonal CeMnNi4
    Iben Skovsen
    Centre for Materials Crystallography, Department of Chemistry and iNANO, Aarhus University, DK 8000 Arhus C, Denmark
    Inorg Chem 49:9343-9. 2010
    ..The neutron diffraction data provide sufficient scattering contrast between Mn and Ni to establish that the 2c site has an ..
  98. ncbi Geometrical properties of gel and fluid clusters in DMPC/DSPC bilayers: Monte Carlo simulation approach using a two-state model
    I P Sugar
    Department of Biomathematical Sciences, The Mount Sinai Medical Center, New York, New York 10029, USA
    Biophys J 81:2425-41. 2001
    ..In agreement with the neutron diffraction and fluorescence microscopy data, the simulations show that below the percolation threshold temperature of ..
  99. ncbi A joint x-ray and neutron study on amicyanin reveals the role of protein dynamics in electron transfer
    N Sukumar
    Northeastern Collaborative Access Team and Department of Chemistry and Chemical Biology, Cornell University, Building 436E, Argonne National Laboratory, Argonne, IL 60439, USA
    Proc Natl Acad Sci U S A 107:6817-22. 2010
    The joint x-ray/neutron diffraction model of the Type I copper protein, amicyanin from Paracoccus denitrificans was determined at 1.8 A resolution. The protein was crystallized using reagents prepared in D(2)O...
  100. ncbi Crystallography of Chevrel Phases, MMo(6)T(8) (M = Cd, Na, Mn, and Zn, T = S, Se) and Their Cation Mobility
    E Levi
    Department of Chemistry, Bar Ilan University, Ramat Gan, Israel 52900
    Inorg Chem 48:8751-8. 2009
    ..This article presents the results of a combined Rietveld analysis of powder X-ray and high-resolution neutron diffraction profiles for NaMo(6)T(8), ZnMo(6)T(8), CdMo(6)T(8), and MnMo(6)S(8)...

Research Grants70

  1. Structural Basis for Bridged Bimetallic Enzyme Catalysis
    Dagmar Ringe; Fiscal Year: 2009
    ..mutagenesis, kinetic analysis, inhibitor design and synthesis, ultra-high resolution X-ray crystallography, neutron diffraction, and combined quantum mechanics/molecular mechanics simulations to probe the role of the second shell ..
  2. Structural Basis for Bridged Bimetallic Enzyme Catalysis
    Dagmar Ringe; Fiscal Year: 2007
    ..mutagenesis, kinetic analysis, inhibitor design and synthesis, ultra-high resolution X-ray crystallography, neutron diffraction, and combined quantum mechanics/molecular mechanics simulations to probe the role of the second shell ..
  3. CRYSTALLOGRAPHIC STUDIES ON RIBOSOMAL PARTICLES
    Ada Yonath; Fiscal Year: 1993
    ..The X-ray crystallographic studies are being supported by electron microscopy, image reconstruction, neutron diffraction, biochemistry and genetics manipulation...
  4. Neutron Diffraction and MD Studies of the Studies of the Structure of Aqueous Sol
    John Brady; Fiscal Year: 2007
    ..structure of aqueous solutions of complex biomolecular solutes using a combination of MD simulations and neutron diffraction with isotopic substitution (NDIS) experiments...
  5. Concerted membrane diffraction and simulation studies
    Stephen White; Fiscal Year: 2006
    ..These new methods involve the concerted use of molecular dynamics simulations and x-ray & neutron diffraction measurements to obtain dynamic structural images of peptide-bilayer interactions in thermally disordered ..
  6. CATALYTIC MECHANISM OF CARBONIC ANHYDRASE
    David Silverman; Fiscal Year: 2009
    ..Crystal structures of important mutants will be determined by X-ray and neutron diffraction, and we will attempt to observe hydrogen atoms in proton transfer pathways...
  7. CATALYTIC MECHANISM OF CARBONIC ANHYDRASE
    David Silverman; Fiscal Year: 2007
    ..Crystal structures of important mutants will be determined by X-ray and neutron diffraction. We will determine specifically how distances, location, and environment in the active site influence the ..
  8. NEUTRON DETECTORS FOR MACROMOLECULAR CRYSTALLOGRAPHY
    KRISHNA MANDAL; Fiscal Year: 2004
    ..b>Neutron diffraction provides a unique approach to investigate the structural biology by determining the position of hydrogen ..
  9. CRYSTALLOGRAPHIC STUDIES ON RIBOSOMAL PARTICLES
    Ada Yonath; Fiscal Year: 1990
    ..The crystallographic work will be supported by biochemistry, electron microscopy and neutron diffraction. Ribosomal particles to which functional probes (e.g. cDNA or tRNA) are attracted will also be studied...
  10. Cold Neutrons For Biology And Technology
    Stephen White; Fiscal Year: 2005
    ..At the same time, a high-performance computer system will be put in place to support the concerted use of neutron diffraction and molecular dynamics methods in order to deduce 3-D structural information from 1- or 2-D diffraction ..