<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">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)? <div><br></div><div>Thanks,</div><div><br></div><div>Owen<br><div><br></div><div><div><div>On Jun 3, 2010, at 10:27 AM, Nathaniel Echols wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">On Thu, Jun 3, 2010 at 6:52 AM, Pietro Roversi <span dir="ltr"><<a href="mailto:pietro.roversi@path.ox.ac.uk">pietro.roversi@path.ox.ac.uk</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex; position: static; z-index: auto; "> (see attached file) but only the last one seems to be used.<br> Do I guess correctly that there is only provision for two domains<br> adn therefore the last twinning definition overrides any<br> previously defined one?<br></blockquote><div><br></div><div>Correct.</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> If so, is there a way of specifying and using multiple<br> twinning domains/operators?<br></blockquote><div><br></div><div>Currently phenix.refine is limited to a single twin operator.</div><div><br></div><div>-Nat</div></div> <span><ATT00001..txt></span></blockquote></div><br></div></div></body></html>