Related Experiment Video
Updated: Jun 12, 2026
06:50
Computational Prediction of Amino Acid Preferences of Potentially Multispecific Peptide-Binding Domains Involved in Protein-Protein Interactions
Published on: January 26, 2024
MuD: an interactive web server for the prediction of non-neutral substitutions using protein structural data
Gilad Wainreb1, Haim Ashkenazy, Yana Bromberg
1Department of Biochemistry and Molecular Biology, The George S. Wise Faculty of Life Sciences, Tel Aviv University, Ramat Aviv 69978, Israel.
Nucleic Acids Research
|June 15, 2010
Summary
Mutation Detector (MuD) is a new tool that predicts how amino acid substitutions affect protein function. It uses structural and sequence data, and can be improved with user-specific information for better disease-related mutation analysis.
Area of Science:
- Computational biology
- Protein structure and function analysis
Background:
- Distinguishing neutral amino acid substitutions from disease-causing mutations is crucial for understanding diseases.
- Advancements in experimental data necessitate computational tools for efficient annotation of protein substitutions.
Purpose of the Study:
- To introduce Mutation Detector (MuD), a Random Forests-based classifier for assessing the impact of amino acid substitutions on protein function.
- To develop a computational tool that aids in the annotation and prioritization of protein substitutions.
Main Methods:
- Utilized Random Forests machine learning algorithm.
- Incorporated structural and sequence-derived features to predict substitution impact.
- Developed an automatic mode for MuD and allowed for user-reported, protein-specific information to enhance predictions.
Main Results:
- MuD demonstrates comparable performance to existing tools in its automatic mode.
- The inclusion of user-reported data significantly enhances MuD's prediction accuracy.
- The MuD server provides a reliability score for each prediction.
Conclusions:
- MuD is an effective tool for predicting the functional impact of amino acid substitutions.
- The ability to incorporate user-specific data makes MuD a unique and powerful resource.
- MuD aids in prioritizing substitutions, especially for proteins with known 3D structures, facilitating disease-related research.
Related Concept Videos
02:26Conservation of Protein Domains Over Different Proteins
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
02:26Conservation of Protein Domains
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to form...
02:47Protein Families
Protein families are groups of homologous proteins; that is, they have similarities in amino acid sequences and three-dimensional structures. Protein families usually occur because of gene duplication, where an additional copy of a gene is inserted into the genome of an organism. Mutations that change the amino acids but still allow the protein to be properly synthesized, will lead to new protein family members. If these new proteins contain similar amino acids in key locations, protein...
01:49Conserved Binding Sites
Many proteins’ biological role depends on their interactions with their ligands, small molecules that bind to specific locations on the protein known as ligand-binding sites. Ligand-binding sites are often conserved among homologous proteins as these sites are critical for protein function.
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally analyses the...
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally analyses the...
02:15Protein 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...
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.
The primary structure of a protein is its amino acid sequence.