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Not a trivial undertaking, but it can be done. After all, CNS
composite omit map does output (optionally) the map coefficients.
The way it is done there is by doing fourier transform on the output
map. So, you can do something along these lines<br>
<br>
1. Calculate electron density maps from each of your truncated
models.<br>
2. Generate masks for each of your truncated models on the same
grid.<br>
3. Combine maps with corresponding masks.<br>
4. Combine all the resulting masked maps.<br>
5. Calculate structure factors from the resulting composite map.<br>
<br>
There are definitely programs out there (sfall, mapman, etc) that
you can use top accomplish this. This would be a great learning
experience for you, however if you are more of a practical person
and simply want to get that final map asap, you are probably better
off rerunning your composite omit map calculation using one of the
following tools<br>
<br>
<a class="moz-txt-link-freetext" href="http://www.phenix-online.org/documentation/autobuild.htm#anch174">http://www.phenix-online.org/documentation/autobuild.htm#anch174</a><br>
<a class="moz-txt-link-freetext" href="http://cns-online.org/cgi-bin/cns_solve_1.3/cns_view.cgi?&file=inputs/xtal_refine/composite_omit_map.inp">http://cns-online.org/cgi-bin/cns_solve_1.3/cns_view.cgi?&file=inputs/xtal_refine/composite_omit_map.inp</a><br>
<a class="moz-txt-link-freetext" href="http://www.ccp4.ac.uk/ccp4/html/comit.html">http://www.ccp4.ac.uk/ccp4/html/comit.html</a><br>
<br>
Cheers,<br>
<br>
Ed.<br>
<br>
<br>
<div class="moz-cite-prefix">On 09/21/2012 06:03 AM, Mikalai
Lapkouski wrote:<br>
</div>
<blockquote
cite="mid:CAAgQRwpDgRGC6VYeVTEGw-vnr9MWDPQU_6UQbvekbjQH05GfbQ@mail.gmail.com"
type="cite">Hello,<br>
<br>
I have a following question.<br>
I have generated several Fo-Fc sa omit maps (FOFCWT, PHFOFCWT)
for different portions of a DNA molecule. Now that I have each
omit map as a separate file to display the whole DNA omit map I
have to load them in coot one by one. Is there a way of how to
combine all this maps into one file and have a single name for
label columns so that the whole map will open at once?<br>
<br>
I managed to put them all in one file but column labels are
separate: FOFCWT_1, PHFOFCWT_1 FOFCWT_2, PHFOFCWT_2...... Can
they all go under FOFCWT, PHFOFCWT?<br>
<br>
Thank you very much for any suggestion<br>
<br>
Mikalai<br>
<br>
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<br>
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