This model takes as input a protein structure and based on its backbone predicts new sequences that will fold into that backbone. Optionally, you can then run AlphaFold2 on the predicted sequence to check whether the predicted sequences adopt the same backbone (WIP).
https://huggingface.co/spaces/simonduerr/ProteinMPNN
Colab notebook to run MPNN and then Alphafold on the output: https://colab.research.google.com/github/sokrypton/ColabDesign/blob/v1.1.0/mpnn/examples/proteinmpnn_in_jax.ipynb#scrollTo=GjdIxO4j-Hnn