The AlphaFold dataset is available on Della:

$ ssh <YourNetID>@della.princeton.edu
$ cd /scratch/gpfs/DATASETS
$ ls -l
total 1
drwxr-xr-x. 4 root root 4096 Oct 21 08:49 alphafold
-rw-r--r--. 1 root root   84 Oct 21 08:50 README.txt

Please write to cses@princeton.edu to request that a certain dataset be made available. Requests should be made for datasets that are of interest to multiple users.