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> A very weak reflection does not contribute to your map so leaving it out
> doesn't hurt since missing a reflection is equivalent to assuming it is zero,
> not a bad approximation. 

Just a quick note to say that the usual treatment of missing reflections, 
ie. that they all have an amplitude exactly equal to zero, is a very bad 
(wrong) approximation [the probability that all missing reflections have 
an amplitude exactly equal to zero, must be fairly close to zero].


Nicholas


-- 


            Dr Nicholas M. Glykos, Department of Molecular 
        Biology and Genetics, Democritus University of Thrace,
    Dimitras 19, 68100 Alexandroupolis, GREECE, Fax ++302551030613
     Tel ++302551030620 (77620),  http://www.mbg.duth.gr/~glykos/

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