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Related Concept Videos

Protein Organization01:24

Protein Organization

7.8K
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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Protein Folding01:22

Protein Folding

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Overview
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Protein and Protein Structure02:15

Protein and Protein Structure

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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...
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Structural Protein Function01:56

Structural Protein Function

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Structural proteins are a category of proteins responsible for functions ranging from cell shape and movement to providing support to major structures such as bones, cartilage, hair, and muscles. This group includes proteins such as collagen, actin, myosin, and keratin.
Collagen, the most abundant protein in mammals, is found throughout the body. In connective tissue, such as skin, ligaments, and tendons, it provides tensile strength and elasticity.  In bones and teeth, it mineralizes to...
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Conservation of Protein Domains Over Different Proteins02:26

Conservation of Protein Domains Over Different Proteins

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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...
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Intrinsically Disordered Proteins02:18

Intrinsically Disordered Proteins

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Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
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Investigating Protein Sequence-structure-dynamics Relationships with Bio3D-web
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Protein structure, dynamics, and function-a 20th IUPAB Congress symposium.

Richard C Garratt1

  • 1São Carlos Institute of Physics, University of São Paulo, São Carlos, Brazil.

Biophysical Reviews
|January 21, 2022
PubMed
Summary

Understanding protein structure, dynamics, and function is crucial for both biological insights and drug development. A complete description of system dynamics, alongside static structures, is essential for advancing this field.

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Area of Science:

  • Biophysics
  • Molecular Biology
  • Biochemistry

Background:

  • The 20th International Union of Pure and Applied Biophysics (IUPAB) Congress featured a session on protein structure, dynamics, and function.
  • Discussions highlighted the importance of understanding biological phenomena and potential applications in drug development.

Purpose of the Study:

  • To explore diverse topics in protein science presented at the IUPAB Congress.
  • To emphasize the critical role of protein dynamics in conjunction with structure for biological understanding and therapeutic applications.

Main Methods:

  • Presentations by four invited speakers covered various aspects of protein science.
  • Topics included antibiotic peptides, sodium channels, bacterial cell wall synthesis, and protein dynamics utilizing X-ray Free Electron Lasers (X-FELs).

Main Results:

  • A broad spectrum of research findings and perspectives on protein structure and dynamics was shared.
  • The necessity of integrating dynamic information with structural data for comprehensive biological interpretation was underscored.

Conclusions:

  • A holistic approach combining protein structure and dynamics is vital for advancing fundamental biological knowledge.
  • This integrated understanding is also key for the successful development of new drugs and therapies.