Hi Christian, it's hard to tell without looking at input files. Can you send me the inputs and I will have a look? Pavel On 11/8/11 5:54 AM, Christian Roth wrote:
Dear all,
I defined the following contrained groups which should a ligand in two alternative forms and an ion at the same position refine to an summed occupancy of 1. constrained_group { selection = chain Z and resname 2CL and altloc A selection = chain Z and resname 2CL and altloc B selection = chain r and resname Cl } constrained_group { selection = chain c and resname 2CL and altloc A selection = chain c and resname 2CL and altloc B selection = chain m and resname Cl } constrained_group { selection = chain N and resseq 69 and altloc A selection = chain N and resseq 69 and altloc B selection = chain o and resname 2Cl } } At the end I get an error because of the very small nonbonded interactions. it seems that my definition are not correct, but I am at the moment unsure why. Could someone point me to the mistake.
Thanks in advace for your help
Best Regards Christian
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