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Neutron research

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Displaying 876 - 900 of 925

The Protein Data Bank (PDB)

June 1, 2002
Author(s)
H M. Berman, T Battistuz, Talapady N. Bhat, W Bluhm, P E. Bourne, K Burkhardt, L Iype, Sanjay Jain, P Fagan, J Marvin, D Padilla, Veerasamy Ravichandran, Barry I. Schneider, N Thanki, H Weissig, J Westbrook, C Zardecki
The Protein Data Bank (PDB) is the single worldwide repository of structural data of biological macromolecules. This paper describes the goals of the PDB, the systems in place for data deposition and access, how to obtain further information, and near-term

Cryosalts: Suppression of Ice Formation in Macromolecular Crystallography

August 1, 2000
Author(s)
Kenneth A. Rubinson, Jane E. Ladner, M Tordova, G L. Gilliland
Quality data collection for macromolecular cryocrystallography requires suppressing the formation of crystalline or microcrystalline ice that may result from flash-freezing crystals. Described here is the use of lithium formate, lithium chloride, and other

Role of Competitive Interactions in Growth Rate Trends of Subtilsin s88 Crystals

May 1, 2000
Author(s)
D Asthagirl, A Lenhoff, David Travis Gallagher
An orthorhombic crystal form of subtilisin BPN' variant s88 exhibits a systematic variation in growth rates of its three unique faces, resulting in pronounced variations in crystal morphology as a function of the ionic strength. We have sought to explain

Crystallization and 1.1 Angstrom Diffraction of Chorismate Lyase From Escherichia Coli

February 1, 2000
Author(s)
C Stover, M P. Mayhew, Marcia J. Holden, A Howard, David Travis Gallagher
Clorismate pathway enzymes are important as producers of nonnucleotide aromatic compounds. The enzyme chorismate layase from Escherichia coli has been crystallized in four distinct forms, three of which have been characterized by x-ray diffraction. Despite

Heteronuclear NMR and Crystallographic Studies of Wild-Type and H187Q Escherichia Coli Uracil DNA Glycosylase: Electrophilic Catalysis of Uracil Expulsion by a Neutral Histidine 187

September 14, 1999
Author(s)
A C. Drohat, G Xiao, M Tordova, J. Jagadeesh, K Pankiewicz, K A. Watanbe, G L. Gilliland, J T. Stivers
The nature of the putative general acid, His187, in the reaction catalyzed by Escherichia coli uracil DNA glycosylase (UDG) was investigated using X-ray crystallography and NMR spectroscopy. The crystal structures of H187Q UDG, and its complex with uracil

A Unique Institution: The History of NBS, 1950-1969

June 30, 1999
Author(s)
E Passaglia, K A. Beal
A follow-on to Measures for Progress by Rexmond C. Cochrane, this work covers the history of the National Bureau of Standards (NBS) from 1950-1969. While the book focuses on technical work, the management and administration of the Bureau are also discussed
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