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Hi all, Its been a while since I refined a structure with metal atoms. I am wondering what is the current best way in coot to handle LINKs beween Cys and Zn atoms. I have a PDB file with a whole bunch of Zincs and LINKR records. They are displayed in coot with all the Cys- residues SSBonded to each other due to proximity. ( side note If I read in a PDB file with LINK records ..coot does the right thing.) What is the best way currently ( coot 0.8 revision 5047) to edit these links and create them "properly". I have also not used the Jligand interface from inside coot and was wondering how to use it to clean up my Zincs. I am also embarrassed because I have struggled with exactly this issue 5 years ago (I googled and found my old questions about this :-) ) and I was hoping I could get a few lines of help on the best way to do this in the newest coot. Also I am wondering where is a good place to get a Zn+2 cif file from. Thanks Hari My Zincs look like this: [image: Inline image 1]