This shows my ignorance about mtz files. I'm having trouble with phenix.find_helices_strands. I got 3kat.mtz from Pavel's database. <div><br></div><div>I run:<div>$ phenix.find_helices_strands 3kat.mtz labin="LABIN FP=2FOFCWT PHIB=PH2FOFCWT"</div>
<div><br></div><div>and get:</div><div><br><div><div>PHENIX find_helices_strands</div><div>Wed Apr 27 13:12:19 2011</div><div>Commands: phenix.find_helices_strands 3kat.mtz labin=LABIN FP=2FOFCWT PHIB=PH2FOFCWT</div><div>
<br></div><div><br></div><div># find_helices_strands</div><div>#</div><div># Find secondary structure in a map defined by map coeffs in an input mtz file.</div><div># Type phenix.doc for help</div><div>
Input map resolution is 3.1 A</div><div>Labin line will be: LABIN FP=2FOFCWT PHIB=PH2FOFCWT</div><div>To change it modify this by specifying FP= and PHIB= [and optionally FOM=]</div><div>like this:</div><div> labin="LABIN FP=2FOFCWT PHIB=PH2FOFCWT"</div>
<div><br></div><div><br></div><div>Map from: TEMP_3kat.mtz using labin LABIN FP=2FOFCWT PHIB=PH2FOFCWT</div><div>NOTE: ratio_trace_extra increased to 1.3 A as dmin > 3.0</div><div>NOTE: rad_sep_trace increased to 0.6 A as dmin > 3.0</div>
<div>Fixing sampling interval rad_sep_trace= 0.6 A</div><div>Optimizing CA-CA tolerance to obtain ratio of 4.0 for nonamers:atoms</div><div>Tracing chains at resolution of 3.1 A</div><div> CCP4: Error in label assignments in LABIN</div>
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