Base model: westlake-repl/SaProt_650M_AF2

Task type: protein-level regression

Label is the experimentally tested fitness score which records the scaled mutation effect for each mutant.

Dataset: SaProtHub/Dataset-Beta_Lactamase-PEER

Model input type: Amino acid sequence

Performance (on test set): 0.906 Spearman's ρ

LoRA config:

  • r: 8
  • lora_dropout: 0.1
  • lora_alpha: 8
  • target_modules: ["query", "key", "value", "intermediate.dense", "output.dense"]
  • modules_to_save: ["classifier"]

Training config:

  • optimizer:
    • class: AdamW
    • betas: (0.9, 0.98)
    • weight_decay: 0.01
  • learning rate: 1e-4
  • epoch: 200
  • batch size: 64
  • precision: 16-mixed
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