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Updated: Aug 7, 2026
09:51
Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
Published on: July 16, 2017
VISTAL--a new 2D visualization tool of protein 3D structural alignments
1Howard Hughes Medical Institute, Department of Biochemistry and Molecular Biophysics, Center for Computational Biology and Bioinformatics, Columbia University, 1130 St Nicholas Avenue, Room 815, New York, NY 10032, USA.
Bioinformatics (Oxford, England)
|July 14, 2006
Summary
VISTAL is a new tool for visualizing protein structural alignments in 2D. It highlights matched secondary structures based on Calpha atom distances, aiding in structural comparison.
Area of Science:
- Structural bioinformatics
- Computational biology
- Protein structure analysis
Background:
- Protein structural alignment is crucial for understanding evolutionary relationships and functional similarities.
- Existing visualization tools may not adequately represent the nuances of secondary structure element matching.
Purpose of the Study:
- To introduce VISTAL, a novel tool for the two-dimensional visualization of protein structural alignments.
- To provide a method for representing aligned protein structures based on secondary structure elements.
Main Methods:
- VISTAL processes protein structural alignment data.
- It identifies and matches secondary structure elements between aligned proteins.
- Visualization employs color-coding based on the 3D distances between Calpha atoms of matched elements.
Main Results:
- VISTAL generates 2D visualizations of protein structural alignments.
- The visualizations highlight conserved secondary structure elements.
- Color gradients indicate the spatial proximity of Calpha atoms, offering insights into structural conservation.
Conclusions:
- VISTAL offers an intuitive approach to visualizing protein structural alignments.
- The tool aids in the interpretation of structural similarities and differences.
- It facilitates the analysis of protein evolution and function through structural comparisons.
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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...
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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...
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The primary structure of a protein is its amino acid sequence.
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01:13Protein Organization
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01:24Protein 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.
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01:13Protein Organization
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