From their website they state: " The Oxford Protein Informatics Group (Dept. of Statistics, University of Oxford) is collaborating in efforts to understand the immune response to SARS-CoV2 infection and vaccination. As part of our investigations, we are releasing and maintaining this public database to document all published/patented binding antibodies and nanobodies to coronaviruses, including SARS-CoV2, SARS-CoV1, and MERS.
For more information see: http://opig.stats.ox.ac.uk/webapps/coronavirus/index.html