1. Preamble to the determination of phases
The elastic diffraction of X-rays by a crystal gives access to a function called electron density, which to a first approximation reflects a continuous distribution of electrons in the crystal lattice. In theory, this function is calculated for each point of relative coordinates (x, y, z) of a crystal lattice from the moduli and phases of each reflection hkl by the relation :
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Preamble to the determination of phases
Bibliography
Bibliography
Websites
Integrative structural biology
on a European scale, Instruct-ERIC https://www.structuralbiology.eu
a French infrastructure, FRISBI http://frisbi.eu
Biocrystallography reference...
Software tools
Data collection :
• HKL2000/HKL3000, MOSFLM, XDS
• expert systems: xia2, autoproc
Phasing MIR, MAD, SAD
• SHARP, SOLVE, CRANK2,SHELX
Molecular replacement :
• Phaser, Molrep, AMoRe, ARCIMBOLDO
• expert systems: MrBUMP, BALBES, MoRDa, AMPLE, SIMBAD...
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