Hi all,

I am trying to fit a ligand into density using ARP/wARP 7.0.1 in CCP4 suite
6.0.2 on CCP4interface 1.4.4.2.

I get an error message telling me to look for the error in a
"##_warp_ligand_details.log".

_____________________________________________________________

Running Refmac5 to refine the protein PDB without the search ligand.

 After refmac, R = 0.177 (Rfree = 0.000)


 The difference electron density map has been calculated.


Segmentation fault

QUITTING ... ARP/wARP module stopped with an error message:
MAPREAD_MODE_GRIDMAKER

*** Look for error message in the file:
29_warp_ligand_details.log


#CCP4I TERMINATION STATUS 0 All done
#CCP4I TERMINATION TIME 16 Mar 2009  14:43:30
#CCP4I MESSAGE Task failed

***************************************************************************
* Information from CCP4Interface script
***************************************************************************
 Error during script execution.
***************************************************************************

When I look at the details file, all I see at the end is (no error message):


 ########## COORDINATE READING ##############################

 Reading apo protein ... done.
 Identifying N and O atoms for h-bond investigations ... done.
 Reading clean search ligand(s) ... (PDBfmt)  done

_______________________________________________________

The details file ends thus, regardless of whether I read in a library file
for the ligand or not, the library is one generated from ProDRG or from
refmac.

Funnily enough, the program ends the same way even using input files that I
had used previously, with a previous version of ARP/wARP; input files that
worked before.

Help, please!!!!!

Thanks a ton!

Sangeetha.

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