Dear Sudhir, these terms refer to a MAD (multi-wavlength anomalous dispersion) experiment, where you collect a data set each at different wavelengths from one crystal.
The actual wavlengths depend on the atom type you want to exploit in order to carry out phasing, and they are usually determined from a fluorescence scan of the particular crystal before the experiment is started. In the presence of anomalous dispersion, such a scan shows a peak and an inflection point at specific wavlengths. remote refers to either high energy remote or low energy remote, depending on whether that data set is collected at a wavlength below the peak wavelengths or above. Tim On Sat, Jun 26, 2010 at 10:37:43AM +0530, Sudhir Kumar wrote: > Hi ALL > I don't know if I'm asking the right question: > What are Remote, Inflection and peak values for X ray data collection? > Sorry if question is wrong or under-status. > thanks in advance to all > > -- > best regards > Sudhir Kumar > Research Scholar > Structural Biology Laboratory > SLS, JNU, > New Delhi-110067 -- -- Tim Gruene Institut fuer anorganische Chemie Tammannstr. 4 D-37077 Goettingen GPG Key ID = A46BEE1A
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