Toolkit/protein conformational switch

protein conformational switch

Multi-Component Switch·Research·Since 2010

Also known as: molecular switch

Taxonomy: Mechanism Branch / Architecture. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

A protein conformational switch is an engineered protein system in which a signaling event induces a conformational change. Reported uses include reagent-free biosensing and regulation of biological function.

Usefulness & Problems

Why this is useful

This tool class is useful because it converts signaling events directly into protein structural changes, enabling reagent-free biosensors and proteins with regulated activity. The cited literature frames these switches as a way to endow proteins that previously lacked switching behavior with controllable responses.

Source:

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.

Problem solved

It addresses the problem of creating proteins that respond to signaling inputs with a functional structural transition. This supports biosensing and functional regulation without requiring added reagents, according to the cited review.

Source:

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.

Target processes

signaling

Input: Chemical

Implementation Constraints

The available evidence indicates that switching properties have been introduced into binding proteins by exploiting natural allosteric coupling, joining proteins, and creating new switching mechanisms. No specific construct architecture, cofactor requirement, expression system, or delivery method is described in the supplied evidence.

The provided evidence is high-level and does not specify particular protein scaffolds, ligands, dynamic range, kinetics, or validation assays. It also does not document a specific implementation, organism, or independent replication for any one switch design.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application scopesupports2010Source 1needs review

Proteins engineered to switch conformation in response to signaling events can serve as reagent-free biosensors and as molecules with regulated biological functions.

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.
Claim 2application scopesupports2010Source 1needs review

Proteins engineered to switch conformation in response to signaling events can serve as reagent-free biosensors and as molecules with regulated biological functions.

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.
Claim 3application scopesupports2010Source 1needs review

Proteins engineered to switch conformation in response to signaling events can serve as reagent-free biosensors and as molecules with regulated biological functions.

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.
Claim 4application scopesupports2010Source 1needs review

Proteins engineered to switch conformation in response to signaling events can serve as reagent-free biosensors and as molecules with regulated biological functions.

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.
Claim 5application scopesupports2010Source 1needs review

Proteins engineered to switch conformation in response to signaling events can serve as reagent-free biosensors and as molecules with regulated biological functions.

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.
Claim 6application scopesupports2010Source 1needs review

Proteins engineered to switch conformation in response to signaling events can serve as reagent-free biosensors and as molecules with regulated biological functions.

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.
Claim 7application scopesupports2010Source 1needs review

Proteins engineered to switch conformation in response to signaling events can serve as reagent-free biosensors and as molecules with regulated biological functions.

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.
Claim 8engineering strategy overviewsupports2010Source 1needs review

Recent protein engineering efforts introduce switching properties into binding proteins by leveraging natural allosteric coupling, joining proteins, and creating new switching mechanisms.

Herein, we review recent protein engineering efforts to introduce switching properties into binding proteins. By co-opting natural allosteric coupling, joining proteins in creative ways and formulating altogether new switching mechanisms, researchers are learning how to coax conformational changes from proteins that previously had none.
Claim 9engineering strategy overviewsupports2010Source 1needs review

Recent protein engineering efforts introduce switching properties into binding proteins by leveraging natural allosteric coupling, joining proteins, and creating new switching mechanisms.

Herein, we review recent protein engineering efforts to introduce switching properties into binding proteins. By co-opting natural allosteric coupling, joining proteins in creative ways and formulating altogether new switching mechanisms, researchers are learning how to coax conformational changes from proteins that previously had none.
Claim 10engineering strategy overviewsupports2010Source 1needs review

Recent protein engineering efforts introduce switching properties into binding proteins by leveraging natural allosteric coupling, joining proteins, and creating new switching mechanisms.

Herein, we review recent protein engineering efforts to introduce switching properties into binding proteins. By co-opting natural allosteric coupling, joining proteins in creative ways and formulating altogether new switching mechanisms, researchers are learning how to coax conformational changes from proteins that previously had none.
Claim 11engineering strategy overviewsupports2010Source 1needs review

Recent protein engineering efforts introduce switching properties into binding proteins by leveraging natural allosteric coupling, joining proteins, and creating new switching mechanisms.

Herein, we review recent protein engineering efforts to introduce switching properties into binding proteins. By co-opting natural allosteric coupling, joining proteins in creative ways and formulating altogether new switching mechanisms, researchers are learning how to coax conformational changes from proteins that previously had none.
Claim 12engineering strategy overviewsupports2010Source 1needs review

Recent protein engineering efforts introduce switching properties into binding proteins by leveraging natural allosteric coupling, joining proteins, and creating new switching mechanisms.

Herein, we review recent protein engineering efforts to introduce switching properties into binding proteins. By co-opting natural allosteric coupling, joining proteins in creative ways and formulating altogether new switching mechanisms, researchers are learning how to coax conformational changes from proteins that previously had none.
Claim 13engineering strategy overviewsupports2010Source 1needs review

Recent protein engineering efforts introduce switching properties into binding proteins by leveraging natural allosteric coupling, joining proteins, and creating new switching mechanisms.

Herein, we review recent protein engineering efforts to introduce switching properties into binding proteins. By co-opting natural allosteric coupling, joining proteins in creative ways and formulating altogether new switching mechanisms, researchers are learning how to coax conformational changes from proteins that previously had none.
Claim 14engineering strategy overviewsupports2010Source 1needs review

Recent protein engineering efforts introduce switching properties into binding proteins by leveraging natural allosteric coupling, joining proteins, and creating new switching mechanisms.

Herein, we review recent protein engineering efforts to introduce switching properties into binding proteins. By co-opting natural allosteric coupling, joining proteins in creative ways and formulating altogether new switching mechanisms, researchers are learning how to coax conformational changes from proteins that previously had none.
Claim 15field challengesupports2010Source 1needs review

A major obstacle to developing such switching proteins is that most natural proteins do not undergo conformational change upon ligand binding or chemical modification.

The principal roadblock in the path to develop such molecules is that the majority of natural proteins do not change conformation upon binding their cognate ligands or becoming chemically modified.
Claim 16field challengesupports2010Source 1needs review

A major obstacle to developing such switching proteins is that most natural proteins do not undergo conformational change upon ligand binding or chemical modification.

The principal roadblock in the path to develop such molecules is that the majority of natural proteins do not change conformation upon binding their cognate ligands or becoming chemically modified.
Claim 17field challengesupports2010Source 1needs review

A major obstacle to developing such switching proteins is that most natural proteins do not undergo conformational change upon ligand binding or chemical modification.

The principal roadblock in the path to develop such molecules is that the majority of natural proteins do not change conformation upon binding their cognate ligands or becoming chemically modified.
Claim 18field challengesupports2010Source 1needs review

A major obstacle to developing such switching proteins is that most natural proteins do not undergo conformational change upon ligand binding or chemical modification.

The principal roadblock in the path to develop such molecules is that the majority of natural proteins do not change conformation upon binding their cognate ligands or becoming chemically modified.
Claim 19field challengesupports2010Source 1needs review

A major obstacle to developing such switching proteins is that most natural proteins do not undergo conformational change upon ligand binding or chemical modification.

The principal roadblock in the path to develop such molecules is that the majority of natural proteins do not change conformation upon binding their cognate ligands or becoming chemically modified.
Claim 20field challengesupports2010Source 1needs review

A major obstacle to developing such switching proteins is that most natural proteins do not undergo conformational change upon ligand binding or chemical modification.

The principal roadblock in the path to develop such molecules is that the majority of natural proteins do not change conformation upon binding their cognate ligands or becoming chemically modified.
Claim 21field challengesupports2010Source 1needs review

A major obstacle to developing such switching proteins is that most natural proteins do not undergo conformational change upon ligand binding or chemical modification.

The principal roadblock in the path to develop such molecules is that the majority of natural proteins do not change conformation upon binding their cognate ligands or becoming chemically modified.

Approval Evidence

1 source2 linked approval claimsfirst-pass slug protein-conformational-switch
Proteins that switch conformations in response to a signaling event ... present a unique solution ... researchers are learning how to coax conformational changes from proteins that previously had none.

Source:

application scopesupports

Proteins engineered to switch conformation in response to signaling events can serve as reagent-free biosensors and as molecules with regulated biological functions.

Proteins that switch conformations in response to a signaling event (e.g., ligand binding or chemical modification) present a unique solution to the design of reagent-free biosensors as well as molecules whose biological functions are regulated in useful ways.

Source:

field challengesupports

A major obstacle to developing such switching proteins is that most natural proteins do not undergo conformational change upon ligand binding or chemical modification.

The principal roadblock in the path to develop such molecules is that the majority of natural proteins do not change conformation upon binding their cognate ligands or becoming chemically modified.

Source:

Comparisons

Source-backed strengths

The reported strength is conceptual versatility: engineered conformational switching can be applied both to biosensing and to regulation of biological function. The literature also indicates multiple engineering routes, including leveraging natural allosteric coupling, joining proteins, and creating new switching mechanisms.

Source:

Herein, we review recent protein engineering efforts to introduce switching properties into binding proteins. By co-opting natural allosteric coupling, joining proteins in creative ways and formulating altogether new switching mechanisms, researchers are learning how to coax conformational changes from proteins that previously had none.

Ranked Citations

  1. 1.
    StructuralSource 1Protein Science2010Claim 1Claim 2Claim 3

    Seeded from load plan for claim cl1. Extracted from this source document.