<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt">Dear All,<br><br>I just run a Phenix Autobuid without input pdb model. But After I got the final result, I find the final Rfree is 0.27 and final Rwork is 0.20. I think the difference is too large.<br><br>What is your opinion on it?<br><br>Cheers,<br><br>Fenghui<br> <div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br> </div> </div></body></html>