A number of well known structure alignment programs have been developed in the Orengo group, including the CATHedral structure comparison and alignment suite.
Non-commercial researchers wishing to use the CATHedral programs internally should contact the group directly.
Commercial users wishing to use CATHedral for internal research should contact firstname.lastname@example.org for terms and conditions.
A number of tools developed by the Orengo group have recently been available on GitHub. These include cath-ssap, cath-superpose, cath-resolve-hits, and cath-map-clusters. Further information can be found at: https://github.com/UCLOrengoGroup/cath-tools.