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Updated: Jul 16, 2026

Structure and Coordination Determination of Peptide-metal Complexes Using 1D and 2D 1H NMR
Published on: December 16, 2013
Conservation of metal-coordinating residues
Ioannis N Kasampalidis1, Ioannis Pitas, Kleoniki Lyroudia
1Department of Informatics, School of Applied Sciences, Aristotle University of Thessaloniki, Thessaloniki 54124, Greece.
This study reveals that metal-coordinating residues in proteins show significant conservation, correlating with specific metal preferences. This finding enhances understanding of protein function and aids in predicting metal binding sites.
Area of Science:
- Biochemistry
- Structural Biology
- Bioinformatics
Background:
- Genome sequencing advances outpace protein structure and function determination.
- Metal-binding proteins are crucial for biological functions.
- Previous studies focused on metal binding site geometry, not residue conservation.
Purpose of the Study:
- To investigate the large-scale conservation of metal-coordinating residues.
- To determine if residue conservation correlates with metal-binding preferences.
- To compare conservation between metal-coordinating and noncoordinating residues.
Main Methods:
- Large-scale analysis of protein sequences and structures.
- Statistical analysis of residue conservation patterns.
- Correlation analysis between residue type, metal bound, and conservation.
Main Results:
- Confirmed residue preferences for specific metal ions.
- Demonstrated statistically significant correlation between metal-coordinating residue conservation and metal preference.
- Showed a statistically significant difference in conservation between coordinating and noncoordinating residues.
Conclusions:
- Metal-coordinating residue conservation is linked to functional specificity.
- Findings can improve metal binding site prediction and protein design.
- Results support applications in drug discovery and structural biology model fitting.
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