See P. Cimermancic et al., J Mol Biol, (2016) 428, 709-19 for details.
The web service expects to find a
i.e. it runs
module load cryptosite. This module should put the CryptoSite
scripts from that library in the system PATH. The library is used by all
parts of the web service, including jobs that run on the cluster, so it must be
installed on a network filesystem that is visible to all nodes.