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    Hi Nick,<br>
    <br>
    I looked through the files you sent and it looks like a bug in
    phenix.refine (someone reported the same problem before). Sorry
    about this. I fixed this bug yesterday so please use the latest
    PHENIX version from nightly builds available after January 17:<br>
    <br>
    <a class="moz-txt-link-freetext" href="http://www.phenix-online.org/download/nightly_builds.cgi">http://www.phenix-online.org/download/nightly_builds.cgi</a><br>
    <br>
    Meanwhile a quick work-around is to remove a PDB file header (all
    REMARK 3 records) from input PDB file.<br>
    <br>
    Also, to make sure using twinning in refinement will make any
    difference (at least R-factor wise), run this command:<br>
    <br>
    phenix.model_vs_data model.pdb data.mtz <br>
    <br>
    and see it it tells the data is twinned.<br>
    <br>
    Please let me know if you have any questions.<br>
    <br>
    Pavel.<br>
    <br>
    <br>
    On 1/17/11 11:53 AM, Nicholas Cody Sennett wrote:
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                              <p class="MsoNormal">Can phenix detwin
                                data? I have tried to input the twinning
                                law (l,-k,h) but phenix.refine does not
                                create the appropriate maps and there
                                is no appreciable change in R-factor. I
                                have attached my xtriage and refinement
                                logs.<br>
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