I wrote a script for auto-generating occupancy refinement relationships for refmac. It is perhaps not as sophisticated as what phenix does internally, but it gets common things right, like if you have a 2-headed side chains or partial-occupancy metals.

https://bl831.als.lbl.gov/~jamesh/scripts/refmac_occupancy_setup.com

It is a csh/awk shell script. You run it with the name of your input pdb file on the command line and it dumps the refmac keywords to a file called refmac_opts_occ.txt and to the terminal.  If you want every "hetatm" atom to be refined put "allhet" as a second command-line argument.

You can then perhaps copy-and-paste this to the relevant GUI window.

-James Holton
MAD Scientist

On 6/7/2021 3:35 AM, Marina Gárdonyi wrote:
Hi,

I didn't know that I can also enter keywords without a file! That is a good note, thank you!!

Best regards,
Marina

Zitat von Jon Cooper <jon.b.coo...@protonmail.com>:

Hello, the keywords can be entered in refmac gui (in one of the dropdown things), so you don't need a file, as such, but it's useful to keep a record.

Sent from ProtonMail mobile

-------- Original Message --------
On 5 Jun 2021, 16:39, Marina Gárdonyi wrote:

Hello everyone,

I am trying to refine structures with Refmac.

The problem is that nobody from my working group is familiar with this
programm. They are using Phenix exclusively.

That's why I need your help. I would like to refine the occupancy. I
know that I need a keyword file for this, but I have no idea how to
create such a keyword file.

Can someone maybe send me a sample file? I think that would help me. I
have found essential keywords, but I don't know how to build up such a
file.

Thank you very much in advance!

Best regards,
Marina

--
Marina Gárdonyi

PhD Student, Research Group Professor Dr. Klebe

Department of Pharmaceutical Chemistry

Philipps-University Marburg

Marbacher Weg 6, 35032 Marburg, Germany

Phone: +49 6421 28 21392

E-Mail: marina....@pharmazie.uni-marburg.de

http://www.agklebe.de/

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