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  library_name: transformers
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- tags: []
 
 
 
 
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  ---
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- # Model Card for Model ID
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- <!-- Provide a quick summary of what the model is/does. -->
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- ## Model Details
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- ### Model Description
 
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- <!-- Provide a longer summary of what this model is. -->
 
 
 
 
 
 
 
 
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- This is the model card of a 🤗 transformers model that has been pushed on the Hub. This model card has been automatically generated.
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- - **Developed by:** [More Information Needed]
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- - **Funded by [optional]:** [More Information Needed]
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- - **Shared by [optional]:** [More Information Needed]
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- - **Model type:** [More Information Needed]
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- - **Language(s) (NLP):** [More Information Needed]
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- - **License:** [More Information Needed]
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- - **Finetuned from model [optional]:** [More Information Needed]
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- ### Model Sources [optional]
 
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- <!-- Provide the basic links for the model. -->
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- - **Repository:** [More Information Needed]
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- - **Paper [optional]:** [More Information Needed]
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- - **Demo [optional]:** [More Information Needed]
 
 
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- ## Uses
 
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- <!-- Address questions around how the model is intended to be used, including the foreseeable users of the model and those affected by the model. -->
 
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- ### Direct Use
 
 
 
 
 
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- <!-- This section is for the model use without fine-tuning or plugging into a larger ecosystem/app. -->
 
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- [More Information Needed]
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- ### Downstream Use [optional]
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- <!-- This section is for the model use when fine-tuned for a task, or when plugged into a larger ecosystem/app -->
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- [More Information Needed]
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- ### Out-of-Scope Use
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- <!-- This section addresses misuse, malicious use, and uses that the model will not work well for. -->
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- [More Information Needed]
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- ## Bias, Risks, and Limitations
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- <!-- This section is meant to convey both technical and sociotechnical limitations. -->
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- [More Information Needed]
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- ### Recommendations
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- <!-- This section is meant to convey recommendations with respect to the bias, risk, and technical limitations. -->
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- Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. More information needed for further recommendations.
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- ## How to Get Started with the Model
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- Use the code below to get started with the model.
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- [More Information Needed]
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- ## Training Details
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- ### Training Data
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- <!-- This should link to a Dataset Card, perhaps with a short stub of information on what the training data is all about as well as documentation related to data pre-processing or additional filtering. -->
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- [More Information Needed]
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- ### Training Procedure
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- <!-- This relates heavily to the Technical Specifications. Content here should link to that section when it is relevant to the training procedure. -->
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- #### Preprocessing [optional]
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- [More Information Needed]
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- #### Training Hyperparameters
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- - **Training regime:** [More Information Needed] <!--fp32, fp16 mixed precision, bf16 mixed precision, bf16 non-mixed precision, fp16 non-mixed precision, fp8 mixed precision -->
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- #### Speeds, Sizes, Times [optional]
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- <!-- This section provides information about throughput, start/end time, checkpoint size if relevant, etc. -->
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- [More Information Needed]
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- ## Evaluation
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- <!-- This section describes the evaluation protocols and provides the results. -->
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- ### Testing Data, Factors & Metrics
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- #### Testing Data
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- <!-- This should link to a Dataset Card if possible. -->
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- [More Information Needed]
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- #### Factors
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- <!-- These are the things the evaluation is disaggregating by, e.g., subpopulations or domains. -->
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- #### Metrics
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- <!-- These are the evaluation metrics being used, ideally with a description of why. -->
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- ### Results
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- #### Summary
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- ## Model Examination [optional]
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- <!-- Relevant interpretability work for the model goes here -->
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- [More Information Needed]
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- ## Environmental Impact
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- <!-- Total emissions (in grams of CO2eq) and additional considerations, such as electricity usage, go here. Edit the suggested text below accordingly -->
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- Carbon emissions can be estimated using the [Machine Learning Impact calculator](https://mlco2.github.io/impact#compute) presented in [Lacoste et al. (2019)](https://arxiv.org/abs/1910.09700).
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- - **Hardware Type:** [More Information Needed]
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- - **Hours used:** [More Information Needed]
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- - **Cloud Provider:** [More Information Needed]
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- - **Compute Region:** [More Information Needed]
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- - **Carbon Emitted:** [More Information Needed]
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- ## Technical Specifications [optional]
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- ### Model Architecture and Objective
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- ### Compute Infrastructure
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- #### Hardware
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- #### Software
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- ## Citation [optional]
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- <!-- If there is a paper or blog post introducing the model, the APA and Bibtex information for that should go in this section. -->
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- **BibTeX:**
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- **APA:**
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- ## Glossary [optional]
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- <!-- If relevant, include terms and calculations in this section that can help readers understand the model or model card. -->
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- ## More Information [optional]
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- ## Model Card Authors [optional]
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- ## Model Card Contact
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  ---
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  library_name: transformers
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+ license: apache-2.0
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+ metrics:
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+ - perplexity
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+ base_model:
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+ - facebook/esm1b_t33_650M_UR50S
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  ---
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+ ## **Fine-Tuning ESM-1b with Multiple Sequence Alignment (MSA) for Phosphosites**
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+ This repository provides a fine-tuned version of ESM-1b, incorporating genomic information by leveraging long phosphosite sequences from [DARKIN dataset](https://openreview.net/pdf?id=a4x5tbYRYV) and Multiple Sequence Alignment (MSA) of those phosphosites. The goal is to enhance the model's understanding of phosphorylation by integrating sequence conservation patterns.
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+ ### Developed by:
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+ Zeynep Işık (MSc, Sabanci University)
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+ ### **Dataset & Preprocessing**
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+ To construct a robust dataset, we extracted 256 MSA sequences per phosphosite from publicly available sequence databases. This resulted in a dataset of approximately 2 million sequences. Due to the large data size, the following preprocessing steps were applied:
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+ 1. Selection of MSA Sequences for Labeled Data
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+ - Up to 10 MSA sequences were selected per human phosphosite.
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+ - This resulted in a final dataset of 98,000 samples.
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+ 2. Dataset Splitting
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+ - 10% of the data was reserved for validation.
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+ - The remaining 90% was used for fine-tuning with the Masked Language Modeling (MLM) objective.
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+ 3. Data Processing & Preprocessing
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+ - Special attention was given to retaining phosphorylation residues within sequences.
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+ - To optimize memory efficiency, sequence lengths were truncated to 128 amino acids.
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+ ### Evaluation
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+ Perplexity: 2.69 (decreased from 7.05)
 
 
 
 
 
 
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+ from transformers import AutoTokenizer, AutoModelForMaskedLM
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+ import torch
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+ ### Usage
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+ ```
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+ # Load the model and tokenizer
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+ model_name = "isikz/phosphosite_msa_finetuned_esm1b"
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+ tokenizer = AutoTokenizer.from_pretrained(model_name)
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+ model = AutoModelForMaskedLM.from_pretrained(model_name)
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+ # Example sequence with a masked residue
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+ sequence = "MKTLLLTLVVV[MASK]VCLDLGYTGV"
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+ # Tokenize input
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+ inputs = tokenizer(sequence, return_tensors="pt")
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+ # Get prediction
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+ with torch.no_grad():
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+ outputs = model(**inputs)
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+ logits = outputs.logits
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+ predicted_token_id = torch.argmax(logits[0, 10]).item() # Assuming MASK is at position 10
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+ predicted_token = tokenizer.decode([predicted_token_id])
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+ print(f"Predicted Residue: {predicted_token}")
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+ ```
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