X-ray crystallography
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 Drawing of square (Figure A, above) and hexagonal (Figure B, below) packing from Kepler's work, Strena seu de Nive Sexangula. |
X-ray crystallography is a method of determining the arrangement of atoms within a crystal, in which a beam of X-rays strikes a crystal and causes the beam of light to spread into many specific directions. From the angles and intensities of these diffracted beams, a crystallographer can produce a three-dimensional picture of the density of electrons within the crystal. From this electron density, the mean positions of the atoms in the crystal can be determined, as well as their chemical bonds, their disorder and various other information.
- Related: Bragg diffraction, Bravais lattice, Crystallographic database, Crystallographic point groups, Difference density map, Electron crystallography, Electron diffraction, Henderson limit, Neutron diffraction, Ptychography, Powder diffraction, Scherrer Equation, Structure determination, Ultrafast x-rays, Wide angle X-ray scattering, William Henry Bragg, William Lawrence Bragg, John Desmond Bernal, Rosalind Franklin, Dorothy Hodgkin, Max Perutz, John Kendrew
| Crystallography for beginners Crystallography for beginners www.xtal.iqfr.csic.es/Cristalografia/index-en.html - Web |
| Simple, non technical introduction Simple, non technical introduction stein.bioch.dundee.ac.uk/~charlie/index.php?section=1 - Web |
| "Small Molecule Crystalization" "Small Molecule Crystalization" acaschool.iit.edu/lectures04/JLiangXtal.pdf - Web |
Gallery for «X-ray crystallography»
Average relevance
| International Union of Crystallography International Union of Crystallography iucr.org - Web |
| Crystallography 101 Crystallography 101 www.ruppweb.org/Xray/101index.html - Web |
| Interactive structure factor tutorial Interactive structure factor tutorial www.ysbl.york.ac.uk/~cowtan/sfapplet/sfintro.html - Web |
| Picturebook of Fourier Transforms Picturebook of Fourier Transforms www.ysbl.york.ac.uk/~cowtan/fourier/fourier.html - Web |
| Lecture notes on X-ray crystallography and structu... Lecture notes on X-ray crystallography and structure determination www.chem.uwec.edu/Chem406_F06/Pages/lectnotes.html#lecture7 - Web |
| Online lecture on Modern X-ray Scattering Methods ... Online lecture on Modern X-ray Scattering Methods for Nanoscale Materials Analysis nanohub.org/resources/5580 - Web |
| Nucleic Acid Databank Nucleic Acid Databank ndbserver.rutgers.edu - Web |
| Cambridge Structural Database Cambridge Structural Database www.ccdc.cam.ac.uk/products/csd/ - Web |
Low relevance
| Inorganic Crystal Structure Database Inorganic Crystal Structure Database www.fiz-karlsruhe.de/icsd.html - Web |
| Biological Macromolecule Crystallization Database Biological Macromolecule Crystallization Database xpdb.nist.gov:8060/BMCD4/ - Web |
| PDBsum PDBsum www.ebi.ac.uk/thornton-srv/databases/pdbsum/ - Web |
| Proteopeida – the collaborative, 3D encyclope... Proteopeida – the collaborative, 3D encyclopedia of proteins and other molecules www.proteopedia.org - Web |
| RNABase RNABase www.rnabase.org - Web |
| HIC-Up database of PDB ligands HIC-Up database of PDB ligands xray.bmc.uu.se/hicup/ - Web |
| List of transmembrane proteins with known 3D struc... List of transmembrane proteins with known 3D structure blanco.biomol.uci.edu/Membrane_Proteins_xtal.html - Web |
| MolProbity structural validation suite MolProbity structural validation suite molprobity.biochem.duke.edu - Web |
| ProSA-web ProSA-web prosa.services.came.sbg.ac.at/prosa.php - Web |
| NQ-Flipper NQ-Flipper flipper.services.came.sbg.ac.at - Web |
| DALI server DALI server www.ebi.ac.uk/dali/ - Web |
