faceless-void
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README.md
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# ProtBERT-Unmasking
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This model is a fine-tuned version of ProtBERT specifically optimized for unmasking protein sequences. It can predict masked amino acids in protein sequences based on the surrounding context.
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- **Task**: Protein Sequence Unmasking
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- **Training**: Fine-tuned on masked protein sequences
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- **Use Case**: Predicting missing or masked amino acids in protein sequences
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## Usage
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from transformers import AutoModelForMaskedLM, AutoTokenizer
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# Load model and tokenizer
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model = AutoModelForMaskedLM.from_pretrained("
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tokenizer = AutoTokenizer.from_pretrained("
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# Example usage
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sequence = "MALN[MASK]KFGP[MASK]LVRK"
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inputs = tokenizer(sequence, return_tensors="pt")
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outputs = model(**inputs)
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predictions = outputs.logits
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```
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## Limitations and Biases
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This model is specifically designed for protein sequence unmasking
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## Training Details
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The
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---
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language: en
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tags:
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- protein
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- protbert
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- masked-language-modeling
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- bioinformatics
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- sequence-prediction
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datasets:
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- custom
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license: mit
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library_name: transformers
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pipeline_tag: fill-mask
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---
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# ProtBERT-Unmasking
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This model is a fine-tuned version of ProtBERT specifically optimized for unmasking protein sequences. It can predict masked amino acids in protein sequences based on the surrounding context.
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- **Task**: Protein Sequence Unmasking
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- **Training**: Fine-tuned on masked protein sequences
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- **Use Case**: Predicting missing or masked amino acids in protein sequences
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- **Optimal Use**: Best performance on E. coli sequences with known amino acids K, C, Y, H, S, M
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For detailed information about the training methodology and approach, please refer to our paper:
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[https://arxiv.org/abs/2408.00892](https://arxiv.org/abs/2408.00892)
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## Usage
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from transformers import AutoModelForMaskedLM, AutoTokenizer
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# Load model and tokenizer
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model = AutoModelForMaskedLM.from_pretrained("your-username/protbert-sequence-unmasking")
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tokenizer = AutoTokenizer.from_pretrained("your-username/protbert-sequence-unmasking")
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# Example usage for E. coli sequence with known amino acids (K,C,Y,H,S,M)
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sequence = "MALN[MASK]KFGP[MASK]LVRK"
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inputs = tokenizer(sequence, return_tensors="pt")
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outputs = model(**inputs)
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predictions = outputs.logits
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```
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## Inference API
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The model is optimized for:
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- **Organism**: E. coli
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- **Known Amino Acids**: K, C, Y, H, S, M
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- **Task**: Predicting unknown amino acids in a sequence
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Example API usage:
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```python
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from transformers import pipeline
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unmasker = pipeline('fill-mask', model='your-username/protbert-sequence-unmasking')
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sequence = "K[MASK]YHS[MASK]" # Example with known amino acids K,Y,H,S
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results = unmasker(sequence)
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for result in results:
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print(f"Predicted amino acid: {result['token_str']}, Score: {result['score']:.3f}")
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```
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## Limitations and Biases
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- This model is specifically designed for protein sequence unmasking in E. coli
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- Optimal performance is achieved when working with sequences containing known amino acids K, C, Y, H, S, M
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- The model may not perform optimally for:
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- Sequences from other organisms
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- Sequences without the specified known amino acids
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- Other protein-related tasks
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## Training Details
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The complete details of the training methodology, dataset preparation, and model evaluation can be found in our paper:
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[https://arxiv.org/abs/2408.00892](https://arxiv.org/abs/2408.00892)
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