Related Experiment Video
Updated: May 10, 2026

09:51
Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
Published on: July 16, 2017
VLDP web server: a powerful geometric tool for analysing protein structures in their environment
Jérémy Esque1, Sylvain Léonard, Alexandre G de Brevern
1LPTM, CNRS UMR 8089, Université Cergy-Pontoise, F-95302 Cergy-Pontoise, France.
Nucleic Acids Research
|June 14, 2013
Summary
We introduce the Voronoi Laguerre Delaunay Protein web server (VLDPws) for analyzing 3D protein structures. VLDPws provides precise amino acid volumes, novel contact definitions, and improved solvent accessibility measures.
Area of Science:
- Structural biology
- Computational biology
- Biophysics
Background:
- Understanding 3D protein structures is crucial for molecular-level function analysis.
- Experimental methods like X-ray crystallography and NMR determine protein structures.
- Existing tools lack comprehensive analysis of protein structural properties.
Purpose of the Study:
- To introduce a novel web server, VLDPws, for accurate protein structure analysis.
- To leverage Voronoi-Laguerre tessellations for detailed structural insights.
- To provide a unique resource for researchers studying protein structure-function relationships.
Main Methods:
- Utilizing Voronoi-Laguerre tessellations for a detailed description of protein systems.
- Embedding the protein structure in a solvent environment for analysis.
- Developing the Voronoi Laguerre Delaunay Protein web server (VLDPws).
Main Results:
- VLDPws accurately computes amino acid volumes, correlating well with experimental data.
- A novel definition for inter-residue contacts within proteins is established.
- Residue solvent exposure is quantified, improving upon standard accessibility measures.
Conclusions:
- VLDPws offers a unique and accurate tool for protein structure analysis.
- The web server provides valuable data on volumes, contacts, and solvent exposure.
- VLDPws enhances the understanding of protein structure and function through advanced computational methods.
Related Concept Videos
Protein and Protein Structures
Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
A protein's shape is critical to its function. For example, an enzyme can...
A protein's shape is critical to its function. For example, an enzyme can...
Protein Dynamics in Living Cells
Different fluorescence-based techniques are used to study the protein dynamics in living cells. These techniques include FRAP, FRET, and PET.
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...
Fluorescent recovery after photobleaching (FRAP) is a fluorescent-protein-based detection technique used to quantify protein movement rates within the cell. This method exposes a small portion of the cell to an intense laser beam. The laser beam causes permanent photobleaching of the fluorophore-tagged proteins in the exposed region. As the bleached...
Protein Organization
Proteins are polymers of amino acid residues. They are versatile and responsible for different cellular functions, including DNA replication, molecular transport, catalysis, and structural support. Proteins have a hierarchical structure comprising at least three levels of organization: primary, secondary, and tertiary structure. Some large proteins have a quaternary structure where individual protein subunits are linked together.
The primary structure of a protein is its amino acid sequence.
The primary structure of a protein is its amino acid sequence.
Protein Organization
Overview
Protein and Protein Structure
Proteins are one of the most abundant organic molecules in living systems and have the most diverse range of functions of all macromolecules. Proteins may be structural, regulatory, contractile, or protective. They may serve in transport, storage, or membranes; or they may be toxins or enzymes. Their structures, like their functions, vary greatly. They are all, however, amino acid polymers arranged in a linear sequence.
A protein's shape is critical to its function. For example, an enzyme can...
A protein's shape is critical to its function. For example, an enzyme can...
Ligand Binding Sites
Proteins are dynamic macromolecules that carry out a wide variety of essential processes; however, the activities of most proteins depend on their interactions with other molecules or ions, known as ligands.
Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...
Protein-ligand interactions are quite specific; even though numerous potential ligands surround a cellular protein at any given time, only a particular ligand can bind to that protein. Moreover, a ligand binds only to a dedicated area on the surface of the protein, known as the...

