Useful Websites Crystallography tutorials Isomorphous Replacement (a splendid site maintained by Ian Tickle and Huub Driessen) http://sanda.cryst.bbk.ac.uk/xtal/mir/index.htm MAD Phasing (Merritt's site BSC, Washington U. School of Medicine) http://www.bmsc.washington.edu/scatter/ Difference Patterson Tutorial (Charles Brenner, Thomas Jefferson University) http://asterix.jci.tju.edu/brenner/pr613.html Courses in Crystallography (at Birkbeck College) http://www.cryst.bbk.ac.uk/teaching.html Space groups (crystallographic space-group symmetry tables) http://citron.caltech.edu/~art/info/spacegroup.html#3 Bragg's Law of Diffraction (change the wavelength, or distance, and see what happens) http://www.journey.sunysb.edu/ProjectJava/Bragg/home.html Crystallography 101 (excellent website maintained at LLNL) http://www-structure.llnl.gov/Xray/101index.html Crystallography Resources Richard's Favourite Crystallographic WWW Sites--database links (Stroud's site at UCSF) http://util.ucsf.edu/stroud/morse/xstal_db.html Sincris Information Server for Crystallography (biology, chemistry, minerology, physics, diffraction theory, software, laboratories, etc) http://iucr.sdsc.edu/sincris-top/index.html Protein Crystallization Database (has some bugs, but useful) http://ibm4.carb.nist.gov:4400 Protein Databank (PDB) http://pdb.pdb.bnl.gov The Scripps Research Institute Metalloprotein Database and Browser http://fe.scripps.edu/mdb Vendors Area Detector Systems Corporation http://www.adsc-xray.com Bruker Analytical X-ray Systems http://www.bruker-axs.com Charles Supper Company (instruments and accessories for x-ray diffraction) http://www.charles-supper.com Enraf-Nonius http://www.enraf-nonius.delftny.com Hampton Research (crystallization research tools) http://www.hamptonresearch.com Mar-Research http://www.marresearch.com Molecular Structure Corporation http://www.msc.com Oxford Crysystems (crystream cooler) http://www.OxfordCryosystems.co.uk Polycrystal Book Service (excellent source of crystallography books, some out of print) http://www.dnaco.net/~polybook/ Rigaku http://www.rigaku.com Crystallography for Chemists