[phenixbb] difference density map

Alexandre Urzhumtsev sacha at igbmc.fr
Tue Jan 19 00:59:37 PST 2010


>Hi,    My favorite explanation for why differences show at full height in 
>a 2Fo-Fc map is that the map is really a Fc + 2(Fo-Fc) map.

>I'm sure there is a paper in Acta Cryst from the 1950's that gives the 
>definitive derivation

Dale, I thinig an appropriate paper may be
         P.Main, 1979, Acta Cryst, A35, 779-785
and multiple references therein (say, Luzzati, 1953; etc).

Best regards,


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