Related Experiment Video
Updated: Aug 12, 2026

10:58
Protein WISDOM: A Workbench for In silico De novo Design of BioMolecules
Published on: July 25, 2013
Visualizing protein conformational changes on a personal computer--alpha carbon pseudo bonding as a constraint for
1School of Biochemistry & Molecular Biology and Flexible Learning Development Unit, University of Leeds, Leeds LS2 9JT, UK. a.g.booth@leeds.ac.uk
Journal of Molecular Graphics & Modelling
|September 13, 2001
Summary
This study introduces a Java program for creating protein conformation change animations. The software visualizes interpolated protein structures, aiding in understanding molecular dynamics for educational purposes.
Area of Science:
- Biochemistry
- Computational Biology
- Structural Biology
Background:
- Understanding protein conformational changes is crucial for molecular biology and drug discovery.
- Visualizing these dynamic processes aids in education and research.
Purpose of the Study:
- To develop a user-friendly Java program for generating animations of protein conformational changes.
- To create a tool for visualizing interpolated protein structures for teaching and research.
Main Methods:
- Developed a Java program to visualize a series of aligned protein structures.
- Interpolated intermediate protein structures in internal coordinate space.
- Introduced 'pseudo' bonds between alpha carbon atoms to constrain backbone movements and prevent artifacts.
Main Results:
- Successfully generated animations and movies (AVI format) of protein conformation changes.
- The program produces plausible intermediate structures by interpolating between two known protein forms.
- All steps, including alignment and movie production, are feasible on personal computers.
Conclusions:
- The developed Java program provides an accessible tool for visualizing protein dynamics.
- This method facilitates the creation of educational materials on protein conformational changes.
- The approach offers a practical way to study molecular movements on standard hardware.
More Related Videos
Related Concept Videos
Protein Organization
Overview
Molecular Models
Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.
Newman Projections
Different notations are used to represent the three-dimensional structure of molecules on two-dimensional surfaces. One of the most commonly used representations is the dash-wedge formula. The dashed wedges, solid wedges, and the plane lines indicate the groups situated behind the plane, coming out of the plane, and in the plane, respectively.
The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as conformers.
The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as conformers.
Fischer Projections
Learning to draw Fischer projections of molecules and understanding their relevance plays a crucial role in the visual depiction of organic molecules. A Fischer projection is a two-dimensional projection on a planar surface to simplify the three-dimensional wedge–dash representation of molecules. This is especially helpful in the case of molecules with multiple chiral centers that can be difficult to draw. Here, all the bonds of interest are represented as horizontal or vertical lines. While...
¹H NMR of Conformationally Flexible Molecules: Temporal Resolution
At room temperature, the chair conformer of cyclohexane undergoes rapid ring flipping between two equivalent chair conformers at a rate of approximately 105 times per second. These two chair conformers are in equilibrium. The rapid ring flipping results in the interconversion of the axial proton to an equatorial proton and an equatorial to the axial proton. Such interconversions are too rapid and cannot be detected on the NMR timescale. Hence, the NMR spectrometer cannot distinguish between the...
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.

