But nothing will prevent the sum of the two occupancies to exceed 1, right? But this may work in some cases. On Fri, 2010-07-16 at 09:31 -0700, Nathaniel Echols wrote:
On Thu, Jul 15, 2010 at 3:27 PM, Ed Pozharski
wrote: Am I missing something or the only way to get this done is to refine twice - once only for ligand occupancy, and then for the rest of the model. And what if total occupancy of the ligand is unknown? Is there a way to allow sum(occ) to be anywhere between 0 and 1?
I may be wildly off base here, but if you give each conformation a different residue number as well as different altlocs, and set the occupancies below 1, won't this remove the sum constraint? It's a little clumsy, but you just need to change the residue numbers back before you deposit in the PDB.
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-- Edwin Pozharski, PhD, Assistant Professor University of Maryland, Baltimore ---------------------------------------------- When the Way is forgotten duty and justice appear; Then knowledge and wisdom are born along with hypocrisy. When harmonious relationships dissolve then respect and devotion arise; When a nation falls to chaos then loyalty and patriotism are born. ------------------------------ / Lao Tse /