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Related Concept Videos

Protein Organization01:24

Protein Organization

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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.
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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...
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Proteins perform many mechanical functions in a cell. These proteins can be classified into two general categories- proteins that generate mechanical forces and proteins that are subjected to mechanical forces. Proteins providing mechanical support to the structure of the cell, such as keratin, are subjected to mechanical force, whereas proteins involved in cell movement and transport of molecules across cell membranes, such as an ion pump, are examples of generating mechanical force. 
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Achievements and challenges in structural bioinformatics and computational biophysics.

Ilan Samish1, Philip E Bourne2, Rafael J Najmanovich2

  • 1Department of Plant Sciences, Weizmann Institute of Science, Rehovot, 76100, Israel, Ort Braude College, Karmiel, 2161002, Israel, Office of the Director, National Institutes of Health, Bethesda, MD 20814, USA and Department of Biochemistry, University of Sherbrooke, Sherbrooke, J1H 5N4, Canada Department of Plant Sciences, Weizmann Institute of Science, Rehovot, 76100, Israel, Ort Braude College, Karmiel, 2161002, Israel, Office of the Director, National Institutes of Health, Bethesda, MD 20814, USA and Department of Biochemistry, University of Sherbrooke, Sherbrooke, J1H 5N4, Canada.

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Structural bioinformatics and computational biophysics have advanced rapidly due to increased data and computational power. This progress enhances the study of complex biological systems and their integration with other scientific disciplines.

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Area of Science:

  • Structural bioinformatics
  • Computational biophysics

Background:

  • The fields of structural bioinformatics and computational biophysics have experienced significant advancements over the past decade.
  • These developments are annually reflected in the 3DSIG meeting proceedings.

Purpose of the Study:

  • To review recent achievements in structural bioinformatics and computational biophysics.
  • To discuss current challenges and future directions in the field.

Main Methods:

  • Analysis of trends and developments presented at the 3DSIG meeting.
  • Review of methodologies, data accessibility, and computational resources.

Main Results:

  • Increased data availability, computational power, and improved methodologies.
  • Enhanced capacity to study larger, higher-resolution systems and more complex biological questions.
  • Significant improvements in method parameterization, efficiency, and cross-validation with experimental data.

Conclusions:

  • The field is increasingly integrating with biochemistry, biophysics, and other scientific disciplines.
  • Continued progress is expected, driven by interdisciplinary collaboration and methodological innovation.