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Related Concept Videos

Protein Complexes with Interchangeable Parts01:57

Protein Complexes with Interchangeable Parts

Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
Protein Complexes with Interchangeable Parts01:57

Protein Complexes with Interchangeable Parts

Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order to...
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 Networks02:26

Protein Networks

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.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Intrinsically Disordered Proteins02:18

Intrinsically Disordered Proteins

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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Related Experiment Video

Updated: May 7, 2026

Computational Prediction of Amino Acid Preferences of Potentially Multispecific Peptide-Binding Domains Involved in Protein-Protein Interactions
06:50

Computational Prediction of Amino Acid Preferences of Potentially Multispecific Peptide-Binding Domains Involved in Protein-Protein Interactions

Published on: January 26, 2024

Polyion complex libraries possessing naturally occurring differentiation for pattern-based protein discrimination.

Shunsuke Tomita1, Keitaro Yoshimoto

  • 1Department of Life Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902, Japan. s_tomita@bio.c.u-tokyo.ac.jp ckeitaro@mail.ecc.u-tokyo.ac.jp.

Chemical Communications (Cambridge, England)
|October 2, 2013
PubMed
Summary

Polyion complexes and naturally occurring enzymes create highly differentiable receptor libraries. This approach simplifies synthetic demands for pattern-based protein discrimination.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Synthetic Biology

Background:

  • Receptor libraries are crucial for protein discrimination.
  • Current methods often involve complex synthesis and limited differentiability.

Purpose of the Study:

  • To develop a novel method for creating highly differentiable receptor libraries.
  • To reduce the synthetic complexity associated with receptor library generation.

Main Methods:

  • Utilizing polyion complexes.
  • Incorporating naturally occurring enzymes with differentiation capabilities.
  • Developing pattern-based protein discrimination strategies.

Main Results:

  • Successfully created receptor libraries with enhanced differentiability.
  • Demonstrated lower synthetic demands compared to existing methods.
  • Validated the efficacy for pattern-based protein discrimination.

Conclusions:

  • Polyion complexes with naturally occurring enzymes offer a promising strategy for advanced receptor library development.
  • This approach facilitates efficient and scalable protein discrimination.