The SSAP algorithm (cath-ssap) was devised by Christine A Orengo and William R Taylor.

Please cite:

  • Protein Structure Alignment, Taylor and Orengo, Journal of Molecular Biology 208, 1-22, PMID: 2769748. (PubMed, Elsevier)

Another relevant paper:

  • SSAP: Sequential Structure Alignment Program for Protein Structure Comparison, Orengo CA, Taylor WR, Methods Enzymol. 1996;266:617-35. PubMed PMID: 8743709. (PubMed, Elsevier, pdf)