This software package is copyrighted, and may be used subject to the following 
conditions:

* This software is provided free of charge to academic users, subject to the 
  condition that no part of it be sold or used otherwise for commercial 
  purposes, including, but not limited to its incorporation into commercial 
  software packages, without written consent from the authors. For permission 
  contact Prof. H. A. Scheraga, Cornell University. 

* This software package is provided on an "as is" basis. We in no way warrant 
  either this software or results it may produce. 

* Reports or publications using this software package must contain an 
  acknowledgement to the authors and the NIH Resource in the form commonly used 
  in academic research.