On a related note, how is the R factor calculated with twinned structures (i.e., how is Fcalc determined for the purposes of R factor calculation)?  

Thanks,

Owen

On Jun 3, 2010, at 10:27 AM, Nathaniel Echols wrote:

On Thu, Jun 3, 2010 at 6:52 AM, Pietro Roversi <[email protected]> wrote:
(see attached file) but only the last one seems to be used.
Do I guess correctly that there is only provision for two domains
adn therefore the last twinning definition overrides any
previously defined one?

Correct.
 
If so, is there a way of specifying and using multiple
twinning domains/operators?

Currently phenix.refine is limited to a single twin operator.

-Nat
<ATT00001..txt>