Thanks for the replies and the links with more information.
Robert
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Hi Rob,
the fundamental property of crystallographic or cryo-em maps -- the
presence of high density points -- is what skewness depicts. So I can't see
why the idea of using skewness to quantify maps would be any different for
x-ray vs cryo-em. I've just downloaded a cryo-EM map for this (PDB: 8d3y
_
From: CCP4 bulletin board on behalf of Robert Oeffner
Sent: Tuesday, November 7, 2023 2:56:44 PM
To: CCP4BB@JISCMAIL.AC.UK
Subject: [ccp4bb] skewness in a good EM map?
Hi,
In crystallography one of the features of a good map is that the histogram of
map values has skewness. Does this als
Hi,
In crystallography one of the features of a good map is that the histogram of
map values has skewness. Does this also apply to EM maps? Whereas X-ray maps
depicts the electron density EM maps depicts the electrostatic potential as I
understand it. Any pointers about skewness or not in EM ma
