[ccp4bb]: map averaging

[Zhiqiang Lu <lu@pompeii.uark.edu>]

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Dear CCP4ers, 

Could anyone provide some info about how to average multiple (>=3) density
modification maps using CCP4 or CNS?  Thanks a lot in advance.  I have
three MAD data sets for the same protein that crystals in a cubic space
group.  The individual maps are too noisy for interpretation, so by
averaging them I am hoping to elevate the S/N ratio. 

Best wishes,


Zhiqiang Lu

=====
Zhiqiang Lu,  Graduate Student
Department of Chemistry & Biochemistry
University of Arkansas
Fayetteville, AR 72701
U.S.A.