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Updated: Aug 11, 2026

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Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
Published on: July 16, 2017
On graphical and numerical representation of protein sequences
1Department of Applied Mathematic, Dalian University of Technology, Dalian 116024 China.
Journal of Biomolecular Structure & Dynamics
|February 24, 2006
Summary
A novel 3-D Cartesian coordinate system represents protein sequences graphically. This method enables direct comparison of sequence data across nine distinct proteins, offering new insights into protein structure and function.
Area of Science:
- Biochemistry
- Bioinformatics
- Computational Biology
Background:
- Protein sequence analysis is fundamental to understanding protein function and evolution.
- Existing methods for sequence comparison can be complex and lack intuitive visualization.
- Representing complex biological data in accessible formats is an ongoing challenge.
Purpose of the Study:
- To introduce a novel 3-D Cartesian coordinate system for representing protein sequences.
- To develop a graphical method for visualizing and comparing protein sequences.
- To demonstrate the utility of this approach by comparing sequences from nine different proteins.
Main Methods:
- Derivation of a 3-D Cartesian coordinate system tailored for protein sequence representation.
- Development of a graphical visualization technique based on the 3-D coordinate system.
- Application of the method to compare sequence data from nine distinct protein families.
Main Results:
- Successful implementation of a 3-D graphical representation for protein sequences.
- Demonstration of comparative analysis between sequences of nine different proteins using the new graphical method.
- Identification of potential patterns or differences in sequences through visual comparison.
Conclusions:
- The 3-D Cartesian coordinate system provides an effective new approach for protein sequence representation.
- Graphical comparison of protein sequences offers a potentially powerful tool for bioinformatics research.
- This method facilitates a more intuitive understanding of sequence relationships and variations.
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 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 Organization
Overview
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 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...

