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Related Concept Videos

Conserved Binding Sites01:49

Conserved 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...
Ligand Binding Sites02:40

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-protein Interfaces02:04

Protein-protein Interfaces

Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
Protein Organization01:24

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.

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Related Experiment Video

Updated: Jun 23, 2026

Application of I TASSER, trRosetta, UCSF Chimera, HADDOCK server, and HEX loria for De Novo and In Silico Design of Proteins
05:08

Application of I TASSER, trRosetta, UCSF Chimera, HADDOCK server, and HEX loria for De Novo and In Silico Design of Proteins

Published on: July 8, 2025

Classifying proteinlike sequences in arbitrary lattice protein models using LatPack.

Martin Mann, Daniel Maticzka, Rhodri Saunders

    HFSP Journal
    |May 14, 2009
    PubMed
    Summary
    This summary is machine-generated.

    We developed LatPack tools to generate and classify proteinlike sequences for abstract models. This enables accurate computational protein studies, advancing our understanding of protein folding and function.

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    Optimization of Synthetic Proteins: Identification of Interpositional Dependencies Indicating Structurally and/or Functionally Linked Residues

    Published on: July 14, 2015

    Area of Science:

    • Computational Biology
    • Biophysics
    • Structural Bioinformatics

    Background:

    • Determining protein native structure is crucial for function, but experimental methods are costly and slow.
    • Computational methods offer faster alternatives but often lack accuracy, limiting studies to simplified protein models.
    • Accurate computational studies require well-defined, proteinlike sequences for abstract models.

    Purpose of the Study:

    • To present a procedure for generating and classifying proteinlike sequence datasets for lattice protein models.
    • To enable more scientifically valuable computational investigations using abstract protein models.
    • To address the need for reliable sequence data in cotranslational folding simulations.

    Main Methods:

    • Development of LatPack tools for generating and classifying proteinlike sequence data.
    • Utilizing thermodynamic and kinetic features for sequence identification.
    • Incorporating cotranslational folding principles into the sequential assembly process.
    • Demonstration using the unrestricted 3D-cubic HP-model.

    Main Results:

    • Generation of the first large dataset of proteinlike sequences for the 3D-cubic HP-model.
    • The generated sequences exhibit the necessary proteinlike properties for computational studies.
    • The LatPack approach is applicable to arbitrary lattice protein models.

    Conclusions:

    • The LatPack tools and methodology provide a robust framework for creating reliable sequence data for abstract protein models.
    • This advancement facilitates more accurate and extensive computational investigations into protein folding and function.
    • The freely available tools support broader research in protein-related problems.