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README.md
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pipeline_tag: tabular-regression
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tags:
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- biology
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pipeline_tag: tabular-regression
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tags:
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- biology
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---
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# NexaBio: Advanced Protein Structure Prediction Models
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**NexaBio** is a sophisticated two-stage model suite designed for high-accuracy protein structure prediction from amino acid sequences. It comprises two complementary models:
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- **NexaBio_1**: A Convolutional Neural Network (CNN) and Bidirectional LSTM (BiLSTM) model for secondary structure prediction.
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- **NexaBio_2**: A Variational Autoencoder (VAE) and Diffusion-based model for tertiary (3D) structure prediction.
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NexaBio is a core component of the [Nexa Scientific Model Suite](https://huggingface.co/spaces/Allanatrix/NexaHub), a collection of machine learning models advancing scientific discovery.
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## Model Overview
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### NexaBio_1: Secondary Structure Prediction
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- **Architecture**: CNN combined with BiLSTM for robust sequence modeling.
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- **Input**: Amino acid sequence (one-hot encoded or embedded).
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- **Output**: Secondary structure classifications (e.g., Helix, Sheet, Coil).
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- **Use Case**: Identification of local structural motifs and protein folding patterns.
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### NexaBio_2: Tertiary Structure Prediction
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- **Architecture**: VAE integrated with a Diffusion Model for generative 3D modeling.
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- **Input**: Amino acid sequence (optionally augmented with secondary structure predictions).
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- **Output**: 3D coordinates of protein backbone atoms.
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- **Use Case**: Full tertiary structure prediction for structural analysis and design.
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## Applications
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- **Structural Bioinformatics**: Enabling precise protein structure analysis for research.
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- **Drug Discovery**: Supporting protein-ligand interaction studies and therapeutic design.
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- **Protein Engineering**: Facilitating the design of novel proteins for industrial and medical applications.
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- **Synthetic Biology**: Generating protein structures for biotechnological innovation.
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- **Academic Research**: Serving as a tool for educational and exploratory studies.
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## Getting Started
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### Example Usage
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```python
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from transformers import AutoModel
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# Initialize the secondary structure prediction model
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model_sec = AutoModel.from_pretrained("Allanatrix/NexaBio_1")
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# Initialize the tertiary structure prediction model
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model_ter = AutoModel.from_pretrained("Allanatrix/NexaBio_2")
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# Process an amino acid sequence (refer to model documentation for input formatting)
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```
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For comprehensive instructions, including inference APIs and preprocessing details, consult the individual model cards on Hugging Face.
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## Citation and License
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If you utilize NexaBio in your research or applications, please cite this repository and include a link to the [Nexa R&D Space](https://huggingface.co/spaces/Allanatrix/NexaR&D).
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The models and associated code are licensed under the **Boost Software License 1.1 (BSL-1.1)**.
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## Part of the Nexa Scientific Ecosystem
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Discover other components of the Nexa Scientific Stack:
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- [Nexa Data Studio](https://huggingface.co/spaces/Allanatrix/NexaDataStudio): Data processing and visualization tools.
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- [Nexa R&D](https://huggingface.co/spaces/Allanatrix/NexaR&D): Research-focused model development environment.
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- [Nexa Infrastructure](https://huggingface.co/spaces/Allanatrix/NexaInfrastructure): Scalable ML deployment solutions.
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- [Nexa Hub](https://huggingface.co/spaces/Allanatrix/NexaHub): Central portal for Nexa resources.
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---
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*Developed and maintained by [Allan](https://huggingface.co/Allanatrix), an independent machine learning researcher specializing in scientific AI and infrastructure.*
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