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Phenix: Difference between revisions
→Switching off specific interactions
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* In specific (rare !) situations one wants to exclude specific interactions. The pdb_interpretation.custom_nonbonded_symmetry_exclusion=<selection> command line keyword was designed for this purpose. | * In specific (rare !) situations one wants to exclude specific interactions. The pdb_interpretation.custom_nonbonded_symmetry_exclusion=<selection> command line keyword was designed for this purpose. Example (either simply add this on the commandline, after setting the selection appropriately, or if using GUI, find this parameter in "All parameters", and type in atom selection): | ||
custom_nonbonded_symmetry_exclusions="chain A and resseq 123 and sidechain" | |||
* To switch off the interaction between a specific atom and its environment, e.g. to obtain unbiased (by restraints) estimates of distances, see http://www.phenix-online.org/documentation/reference/refinement.html#anch80 - you just add restraints of the form: | * To switch off the interaction between a specific atom and its environment, e.g. to obtain unbiased (by restraints) estimates of distances, see http://www.phenix-online.org/documentation/reference/refinement.html#anch80 - you just add restraints of the form: | ||