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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.
The primary structure of a protein is its amino acid sequence....
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Structural Protein Function01:56

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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.
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Protein Networks02:26

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
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Protein Folding01:22

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Overview
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Conservation of Protein Domains Over Different Proteins02:26

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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.
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Related Experiment Video

Updated: Jul 12, 2025

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

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Protein functional site annotation using local structure embeddings.

Alexander Derry1, Russ B Altman2, Russ B Altman1,2,3

  • 1Department of Biomedical Data Science, Stanford University, Stanford, CA 94305.

Biorxiv : the Preprint Server for Biology
|October 31, 2023
PubMed
Summary
This summary is machine-generated.

We developed PARSE (Protein Annotation by Residue-Specific Enrichment), a new method to predict protein function and identify responsible residues. This approach enhances accuracy for enzyme function prediction and discovers novel proteins.

Keywords:
ExplainabilityFunctional site annotationMachine learningProtein function

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Related Experiment Videos

Last Updated: Jul 12, 2025

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Area of Science:

  • Proteomics
  • Structural Biology
  • Bioinformatics

Background:

  • Vast protein databases contain many proteins with unknown functions, creating an annotation gap.
  • Current machine learning methods struggle to link global protein function to specific responsible residues.

Conclusions:

  • PARSE offers a powerful tool for accurate, explainable protein function prediction at the residue level.
  • Its ability to perform one-shot predictions and handle rare functions expands its applicability.
  • The method highlights the utility of local structure for discovering novel protein functions and annotations.