FoRSA is a server for protein fold recognition from amino acid sequence.
To cite this paper :
Use of a structural alphabet to find compatible folds for amino acid sequences.
Mahajan S, de Brevern AG, Sanejouand YH, Srinivasan N, Offmann B.
Protein Sci. 2015 Jan;24(1):145-53. doi: 10.1002/pro.2581. Epub 2014 Oct 25.
PMID: 25297700
http://onlinelibrary.wiley.com/doi/10.1002/pro.2581/abstract