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README.md
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license: apache-2.0
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---
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license: apache-2.0
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base_model:
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- meta-llama/Llama-3.3-70B-Instruct
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- unsloth/Meta-Llama-3.1-8B-Instruct
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tags:
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- biology
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- chemistry
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---
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# Pro-1-preview
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Pro-1 is a reasoning model trained using GRPO towards a physics based reward function for protein stability.
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It takes in a protein sequence + text description of the protein + effects of previous engineering attempts, reasons over the information given, and proposes modifications to improve the stability of the given sequence.
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## LORA checkpoints
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| Model | Checkpoint |
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|------------|-------------|
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| 8b base GRPO | [best-checkpoint](https://huggingface.co/mhla/pro-1/tree/main/best-checkpoint) |
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| 8b creative reward | [creativity-lm-grpo-mega-run-full](https://huggingface.co/mhla/pro-1/tree/main/creativity-lm-grpo-mega-run-full) |
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| 8b creative + specificity reward (default) | [all-lm-grpo-mega-run](https://huggingface.co/mhla/pro-1/tree/main/all-lm-grpo-mega-run-full) |
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| 70b SFT only | [llama_70b_4bit_sft_lora_model](https://huggingface.co/mhla/pro-1/tree/main/llama_70b_4bit_sft_lora_model) |
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## Example Usage
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```python
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from unsloth import FastLanguageModel
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from transformers import TextIteratorStreamer
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import threading
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def run_protein_engineering_example():
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# Load the model and tokenizer
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model, tokenizer = FastLanguageModel.from_pretrained(
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model_name="unsloth/meta-Llama-3.1-8B-Instruct",
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max_seq_length=32768,
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load_in_4bit=True,
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fast_inference=True,
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max_lora_rank=32,
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gpu_memory_utilization=0.6,
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)
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# Load the protein engineering adapter weights
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model.load_adapter("your-username/protein-engineering-llama-3.1")
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FastLanguageModel.for_inference(model)
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protein_sequence = "MSHHWGYGKHNGPEHWHKDFPIAKGERQSPVDIDTHTAKYDPSLKPLSVSYDQATSLRILNNGHAFNVEFDDSQDKAVLKGGPLDGTY"
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prompt = f"""
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...{STRUCTURED PROMPT SEE https://github.com/michaelhla/pro-1 FOR CORRECT USAGE}...
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"""
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# Initialize the streamer for text generation
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streamer = TextIteratorStreamer(tokenizer, skip_special_tokens=True)
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# Set up generation parameters
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generation_kwargs = dict(
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input_ids=tokenizer(prompt, return_tensors="pt").input_ids.to(model.device),
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streamer=streamer,
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max_new_tokens=4096,
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temperature=0.9,
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top_p=0.95,
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do_sample=True
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)
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# Create a thread to run the generation
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thread = threading.Thread(target=model.generate, kwargs=generation_kwargs)
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thread.start()
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# Print the response as it streams
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print("Model response (streaming):")
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for new_text in streamer:
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print(new_text, end="", flush=True)
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thread.join() # Ensure generation is complete
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if __name__ == "__main__":
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run_protein_engineering_example()
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```
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Note: While the model was specifically trained on enzymes, it should work for any protein sequence. Curious to hear if this is true!
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Disclaimer: This is a preview version and as a result the model can be very dumb. Always double check sure your modified sequences have the correct mutations applied. Assume all references from the model are hallucinated.
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