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[ccp4bb] refmac fails on iodine ions |
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- Protein crystallographyMain steps:- Protein purification- Crystallisation Special:- Programs for crystallography- X-ray detectors Basic tutorials:- Chemistry- Protein - Peptide - Amino Acids Xtal community:- CCP4BB |
CCP4bb navigationCCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999Subject: refmac fails on iodine ions From: alexander {- dot -} pautsch {- at -} BOEHRINGER-INGELHEIM {- dot -} COM alexander {- dot -} pautsch {- at -} BOEHRINGER-INGELHEIM {- dot -} COM Date: 2007-06-06 > Dear All, > > I am having trouble with refmac dictionaries when refining a > structure that contains an iodine ion. > the PDB entry should be correct and according to the convention > (water added for comparison): > ----- > ATOM 2838 O HOH W 102 6.018 39.720 31.127 1.00 21.43 > O > ATOM 2839 I I B 1 19.956 22.770 18.597 1.00 30.00 > I > ----- > > > refmac hovever comes up with the following error: > ----- > ...... > Number of chains : 3 > I am reading library. Please wait. > mon_lib.cif > Open failed: Unit: 7, File: > /xray/CCP4-6.0.1/ccp4-6.0.1/lib/data/monomers/i/IR.cif (logical: > /xray/CCP4-6.0.1/ccp4-6.0.1/lib/data/monomers/i/IR.cif) > > Refmac_5.2.0019: Open failed: File: > /xray/CCP4-6.0.1/ccp4-6.0.1/lib/data/monomers/i/IR.cif > > Times: User: 1.4s System: 0.0s Elapsed: 0:01 > ----- > > I figured that it tries to read the wrong dictionary (although the > correct one ( I.cif) is present in the same directory). Explicitly > supplying I.cif with a LIB_IN card does not help > > thanks for your help > > alex > > > PS:probably this has been on the bb in the past, but I could not dig > it out > > Dr. Alexander Pautsch > Protein Crystallography /Structural Research > Boehringer Ingelheim Pharma GmbH & Co. KG Deutschland > Birkendorferstrasse 65 > 88400 BIBERACH, Germany > tel. +49 - (0)7351 - 54 4683 > fax. +49 - (0)7351 - 83 4683 > email alexander.pautsch@bc.boehringer-ingelheim.com > > > CCP4bb navigationCCP4bb <-- 1999 <-- November 1999 <-- 30 November 1999 |
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