Permission is granted for anyone to copy, use, or modify this software and accompanying documents for any uncommercial purposes, provided this copyright notice is retained, and note is made of any changes that have been made.
The Software shall be used exclusively for academic teaching and research. The Software will not be used for any commercial research or research associated with an industrial company. Each copy of the Software or, if not practicable then, any package associated therewith shall be suitably marked (and such marking maintained) with the following copyright notice: Çopyright for this implementation for dca.m: 2011/12 Andrea Pagnani and Martin Weigt and for visualization scripts 2012/2013 Faruck Morcos”.
This software and documents are distributed without any warranty, express or implied. All use is entirely at the user’s own risk.
Any publication resulting from applications of DCA should cite:
 F. Morcos, A. Pagnani, B. Lunt, A. Bertolino, D. S. Marks, C. Sander, R. Zecchina, J. N. Onuchic, T. Hwa, and M. Weigt, “Direct-coupling analysis of residue coevolution captures native contacts across many protein families,” Proc Natl Acad Sci U S A, vol. 108, no. 49, pp. E1293–301, 2011. Epub 2011 Nov 21.
 M. Weigt, R. A. White, H. Szurmant, J. A. Hoch, and T. Hwa, “Identification of direct residue contacts in protein-protein interaction by message passing.,” Proc Natl Acad Sci USA, vol. 106, pp. 67–72, 2009.