This analysis is extracted from [CIPS](http://www.lcqb.upmc.fr/CIPS/CIPS.html):
Article:
Francesca Nadalin and Alessandra Carbone. Protein-protein interaction specificity is captured by contact preferences and interface composition. Bioinformatics, 34(3):459-468, 2018.
*Francesca Nadalin and Alessandra Carbone. Protein-protein interaction specificity is captured by contact preferences and interface composition. Bioinformatics, 34(3):459-468, 2018.*
1K4C_l-1K4C_r: alignment of chains from unbound to bound was made by hand!
