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Celestial Biotechnology: An Innovative Protein Comparison and Analysis Pipeline
Eleni Papakonstantinou1,2, Grigorios Koulouras1, Dimitrios Vlachakis3,4,5
1Laboratory of Genetics, Department of Biotechnology, School of Applied Biology and Biotechnology, Agricultural University of Athens, Athens, Greece.
Advances in Experimental Medicine and Biology
|November 18, 2025
Summary
This study introduces a novel protein analysis pipeline using astrophysics methods to compare protein structures, outperforming traditional sequence-based techniques for viral proteins with low sequence similarity.
Area of Science:
- Structural biology
- Computational biology
- Astrobiology
Background:
- Traditional protein analysis relies on sequence alignment, which struggles with proteins exhibiting low sequence similarity but conserved structures, common in viral proteins.
- Structural conservation is a key indicator of evolutionary relationships, often missed by sequence-based methods.
Purpose of the Study:
- To present an innovative computational pipeline for protein comparison and analysis.
- To develop a structure-based method that overcomes limitations of sequence-based approaches, particularly for divergent viral proteins.
Main Methods:
- A novel pipeline transforming protein shapes into spherical models for comparison.
- Utilizing methodologies inspired by astrophysics and cosmology for structural analysis.
- Testing the pipeline on a dataset of viral proteins with low sequence identity.
Main Results:
- The developed structure-based method outperforms conventional sequence-based techniques in identifying relationships among viral proteins.
- Demonstrated effectiveness in cases where sequence similarity is minimal but structural conservation is present.
Conclusions:
- The astrophysics-inspired pipeline offers a powerful new approach for protein analysis, especially for proteins with divergent sequences but conserved structures.
- This method has substantial potential to advance the understanding of protein evolution and function, particularly in virology.
Keywords:
Celestial applicationHeatmap analysisHomology modelingProtein structureSpherical transformation
