Toolkit/intrinsically-disordered regions

intrinsically-disordered regions

Protein Domain·Research·Since 2023

Also known as: IDRs

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

Summary

Intrinsically disordered regions (IDRs) are protein domains used in engineered synthetic condensates to drive constitutive oligomerization and cluster formation. In the cited modular membraneless organelle design, IDR-mediated assembly is separated from cargo recruitment by fused interaction domains, enabling tunable control of condensate composition and function.

Usefulness & Problems

Why this is useful

IDRs are useful as modular assembly elements for building synthetic membraneless organelles without coupling scaffold formation directly to client recruitment. The cited system uses this separation to regulate protein interactions and metabolic flux through compositional tunability.

Source:

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.

Problem solved

This approach addresses the engineering problem of constructing condensates whose physical assembly and molecular composition can be tuned independently. The cited framework specifically decouples cluster formation from protein recruitment, allowing functional control over recruited components.

Source:

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.

Published Workflows

Objective: Engineer light-inducible synthetic transcription factors with improved transcriptional activation despite limitations of existing light-inducible gene switches.

Why it works: The abstract states that adding intrinsically disordered regions causes synthetic transcription factors to form droplets at target promoters, and that these droplets increase gene expression.

promoter-proximal liquid-liquid phase separationdroplet formation at target promoters via intrinsically disordered region incorporationoptogenetic engineeringquantitative mathematical modelingtransfection-based testing

Stages

  1. 1.
    Engineering phase-separating transcription factor designs(library_design)

    This stage creates transcription factor designs intended to overcome limited performance of existing light-inducible gene switches.

    Selection: Incorporation of intrinsically disordered regions to achieve liquid-liquid phase separation in constitutive and optogenetic synthetic transcription factors.

  2. 2.
    Model-supported mechanistic characterization(functional_characterization)

    This stage tests whether the engineered phase-separation mechanism occurs and whether it improves transcriptional output.

    Selection: Demonstration that engineered transcription factor droplets form at target promoters and increase gene expression.

  3. 3.
    Cross-context validation in mammalian cells and mice(confirmatory_validation)

    This stage confirms that the engineered transcription factor improvement is not restricted to a single mammalian cell context.

    Selection: Observation of increased performance in multiple mammalian cell lines and in mice following in situ transfection.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Component: A low-level protein part used inside a larger architecture that realizes a mechanism.

Techniques

No technique tags yet.

Target processes

No target processes tagged yet.

Implementation Constraints

Implementation is based on domain fusion, with IDRs providing the assembly module and separate interaction domains defining recruited composition. The available evidence does not specify expression system, delivery modality, stoichiometric design rules, or any required cofactors.

The supplied evidence does not define which specific IDR sequences, host systems, or quantitative performance metrics were validated in the engineered platform. Evidence for liquid-liquid phase separation is presented at the level of IDR propensity and general role in membraneless organelles, but direct tool-specific benchmarking is not provided here.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1applicationsupports2023Source 1needs review

The engineered synthetic condensate system is used to regulate protein interactions and metabolic flux through compositional tunability.

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.
Claim 2applicationsupports2023Source 1needs review

The engineered synthetic condensate system is used to regulate protein interactions and metabolic flux through compositional tunability.

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.
Claim 3applicationsupports2023Source 1needs review

The engineered synthetic condensate system is used to regulate protein interactions and metabolic flux through compositional tunability.

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.
Claim 4applicationsupports2023Source 1needs review

The engineered synthetic condensate system is used to regulate protein interactions and metabolic flux through compositional tunability.

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.
Claim 5applicationsupports2023Source 1needs review

The engineered synthetic condensate system is used to regulate protein interactions and metabolic flux through compositional tunability.

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.
Claim 6applicationsupports2023Source 1needs review

The engineered synthetic condensate system is used to regulate protein interactions and metabolic flux through compositional tunability.

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.
Claim 7applicationsupports2023Source 1needs review

The engineered synthetic condensate system is used to regulate protein interactions and metabolic flux through compositional tunability.

Finally, the engineered system is utilized to regulate protein interactions and metabolic flux by harnessing the system’s compositional tunability.
Claim 8design principlesupports2023Source 1needs review

The paper demonstrates a modular framework for synthetic condensates that decouples cluster formation from protein recruitment.

we demonstrate a modular framework for the formation of synthetic condensates designed to decouple cluster formation and protein recruitment
Claim 9design principlesupports2023Source 1needs review

The paper demonstrates a modular framework for synthetic condensates that decouples cluster formation from protein recruitment.

we demonstrate a modular framework for the formation of synthetic condensates designed to decouple cluster formation and protein recruitment
Claim 10design principlesupports2023Source 1needs review

The paper demonstrates a modular framework for synthetic condensates that decouples cluster formation from protein recruitment.

we demonstrate a modular framework for the formation of synthetic condensates designed to decouple cluster formation and protein recruitment
Claim 11design principlesupports2023Source 1needs review

The paper demonstrates a modular framework for synthetic condensates that decouples cluster formation from protein recruitment.

we demonstrate a modular framework for the formation of synthetic condensates designed to decouple cluster formation and protein recruitment
Claim 12design principlesupports2023Source 1needs review

The paper demonstrates a modular framework for synthetic condensates that decouples cluster formation from protein recruitment.

we demonstrate a modular framework for the formation of synthetic condensates designed to decouple cluster formation and protein recruitment
Claim 13design principlesupports2023Source 1needs review

The paper demonstrates a modular framework for synthetic condensates that decouples cluster formation from protein recruitment.

we demonstrate a modular framework for the formation of synthetic condensates designed to decouple cluster formation and protein recruitment
Claim 14design principlesupports2023Source 1needs review

The paper demonstrates a modular framework for synthetic condensates that decouples cluster formation from protein recruitment.

we demonstrate a modular framework for the formation of synthetic condensates designed to decouple cluster formation and protein recruitment
Claim 15mechanismsupports2023Source 1needs review

Synthetic condensates are built through constitutive oligomerization of intrinsically disordered regions, while composition is independently defined through fused interaction domains.

Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs), which drive the formation of condensates whose composition can be independently defined through fused interaction domains.
Claim 16mechanismsupports2023Source 1needs review

Synthetic condensates are built through constitutive oligomerization of intrinsically disordered regions, while composition is independently defined through fused interaction domains.

Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs), which drive the formation of condensates whose composition can be independently defined through fused interaction domains.
Claim 17mechanismsupports2023Source 1needs review

Synthetic condensates are built through constitutive oligomerization of intrinsically disordered regions, while composition is independently defined through fused interaction domains.

Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs), which drive the formation of condensates whose composition can be independently defined through fused interaction domains.
Claim 18mechanismsupports2023Source 1needs review

Synthetic condensates are built through constitutive oligomerization of intrinsically disordered regions, while composition is independently defined through fused interaction domains.

Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs), which drive the formation of condensates whose composition can be independently defined through fused interaction domains.
Claim 19mechanismsupports2023Source 1needs review

Synthetic condensates are built through constitutive oligomerization of intrinsically disordered regions, while composition is independently defined through fused interaction domains.

Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs), which drive the formation of condensates whose composition can be independently defined through fused interaction domains.
Claim 20mechanismsupports2023Source 1needs review

Synthetic condensates are built through constitutive oligomerization of intrinsically disordered regions, while composition is independently defined through fused interaction domains.

Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs), which drive the formation of condensates whose composition can be independently defined through fused interaction domains.
Claim 21mechanismsupports2023Source 1needs review

Synthetic condensates are built through constitutive oligomerization of intrinsically disordered regions, while composition is independently defined through fused interaction domains.

Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs), which drive the formation of condensates whose composition can be independently defined through fused interaction domains.
Claim 22modeling capabilitysupports2023Source 1needs review

A binding equilibrium model quantitatively describes protein partitioning into the condensate and supports predictive control of recruitment based on component expression levels and interaction affinity.

The composition of the proteins driven to partition into the condensate can be quantitatively described using a binding equilibrium model, demonstrating predictive control of how component expression levels and interaction affinity determine the degree of protein recruitment.
Claim 23modeling capabilitysupports2023Source 1needs review

A binding equilibrium model quantitatively describes protein partitioning into the condensate and supports predictive control of recruitment based on component expression levels and interaction affinity.

The composition of the proteins driven to partition into the condensate can be quantitatively described using a binding equilibrium model, demonstrating predictive control of how component expression levels and interaction affinity determine the degree of protein recruitment.
Claim 24modeling capabilitysupports2023Source 1needs review

A binding equilibrium model quantitatively describes protein partitioning into the condensate and supports predictive control of recruitment based on component expression levels and interaction affinity.

The composition of the proteins driven to partition into the condensate can be quantitatively described using a binding equilibrium model, demonstrating predictive control of how component expression levels and interaction affinity determine the degree of protein recruitment.
Claim 25modeling capabilitysupports2023Source 1needs review

A binding equilibrium model quantitatively describes protein partitioning into the condensate and supports predictive control of recruitment based on component expression levels and interaction affinity.

The composition of the proteins driven to partition into the condensate can be quantitatively described using a binding equilibrium model, demonstrating predictive control of how component expression levels and interaction affinity determine the degree of protein recruitment.
Claim 26modeling capabilitysupports2023Source 1needs review

A binding equilibrium model quantitatively describes protein partitioning into the condensate and supports predictive control of recruitment based on component expression levels and interaction affinity.

The composition of the proteins driven to partition into the condensate can be quantitatively described using a binding equilibrium model, demonstrating predictive control of how component expression levels and interaction affinity determine the degree of protein recruitment.
Claim 27modeling capabilitysupports2023Source 1needs review

A binding equilibrium model quantitatively describes protein partitioning into the condensate and supports predictive control of recruitment based on component expression levels and interaction affinity.

The composition of the proteins driven to partition into the condensate can be quantitatively described using a binding equilibrium model, demonstrating predictive control of how component expression levels and interaction affinity determine the degree of protein recruitment.
Claim 28modeling capabilitysupports2023Source 1needs review

A binding equilibrium model quantitatively describes protein partitioning into the condensate and supports predictive control of recruitment based on component expression levels and interaction affinity.

The composition of the proteins driven to partition into the condensate can be quantitatively described using a binding equilibrium model, demonstrating predictive control of how component expression levels and interaction affinity determine the degree of protein recruitment.
Claim 29mechanistic summarysupports2021Source 2needs review

Intrinsically disordered regions are emphasized as important in the liquid-liquid phase separation behavior of transcription regulators.

Claim 30mechanistic summarysupports2021Source 2needs review

Intrinsically disordered regions are emphasized as important in the liquid-liquid phase separation behavior of transcription regulators.

Claim 31mechanistic summarysupports2021Source 2needs review

Intrinsically disordered regions are emphasized as important in the liquid-liquid phase separation behavior of transcription regulators.

Claim 32mechanistic summarysupports2021Source 2needs review

Intrinsically disordered regions are emphasized as important in the liquid-liquid phase separation behavior of transcription regulators.

Claim 33mechanistic summarysupports2021Source 2needs review

Intrinsically disordered regions are emphasized as important in the liquid-liquid phase separation behavior of transcription regulators.

Claim 34mechanistic summarysupports2021Source 2needs review

Intrinsically disordered regions are emphasized as important in the liquid-liquid phase separation behavior of transcription regulators.

Claim 35mechanistic summarysupports2021Source 2needs review

Membraneless organelles are formed via liquid-liquid phase separation driven by weak multivalent interactions between particular biomacromolecules.

Claim 36mechanistic summarysupports2021Source 2needs review

Membraneless organelles are formed via liquid-liquid phase separation driven by weak multivalent interactions between particular biomacromolecules.

Claim 37mechanistic summarysupports2021Source 2needs review

Membraneless organelles are formed via liquid-liquid phase separation driven by weak multivalent interactions between particular biomacromolecules.

Claim 38mechanistic summarysupports2021Source 2needs review

Membraneless organelles are formed via liquid-liquid phase separation driven by weak multivalent interactions between particular biomacromolecules.

Claim 39mechanistic summarysupports2021Source 2needs review

Membraneless organelles are formed via liquid-liquid phase separation driven by weak multivalent interactions between particular biomacromolecules.

Claim 40mechanistic summarysupports2021Source 2needs review

Membraneless organelles are formed via liquid-liquid phase separation driven by weak multivalent interactions between particular biomacromolecules.

Claim 41property summarysupports2021Source 2needs review

Different classes of transcription regulators have a propensity to undergo liquid-liquid phase separation.

Claim 42property summarysupports2021Source 2needs review

Different classes of transcription regulators have a propensity to undergo liquid-liquid phase separation.

Claim 43property summarysupports2021Source 2needs review

Different classes of transcription regulators have a propensity to undergo liquid-liquid phase separation.

Claim 44property summarysupports2021Source 2needs review

Different classes of transcription regulators have a propensity to undergo liquid-liquid phase separation.

Claim 45property summarysupports2021Source 2needs review

Different classes of transcription regulators have a propensity to undergo liquid-liquid phase separation.

Claim 46property summarysupports2021Source 2needs review

Different classes of transcription regulators have a propensity to undergo liquid-liquid phase separation.

Approval Evidence

2 sources4 linked approval claimsfirst-pass slug intrinsically-disordered-regions
Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs)

Source:

We gather crucial information regarding different classes of transcription regulators with the propensity to undergo liquid-liquid phase separation and stress the role of intrinsically disordered regions in this phenomenon.

Source:

mechanismsupports

Synthetic condensates are built through constitutive oligomerization of intrinsically disordered regions, while composition is independently defined through fused interaction domains.

Synthetic condensates are built through constitutive oligomerization of intrinsically-disordered regions (IDRs), which drive the formation of condensates whose composition can be independently defined through fused interaction domains.

Source:

mechanistic summarysupports

Intrinsically disordered regions are emphasized as important in the liquid-liquid phase separation behavior of transcription regulators.

Source:

mechanistic summarysupports

Membraneless organelles are formed via liquid-liquid phase separation driven by weak multivalent interactions between particular biomacromolecules.

Source:

property summarysupports

Different classes of transcription regulators have a propensity to undergo liquid-liquid phase separation.

Source:

Comparisons

Source-backed strengths

The main demonstrated strength is modularity: synthetic condensates are assembled through IDR constitutive oligomerization while composition is independently specified through fused interaction domains. The associated application evidence indicates that this design supports control of protein interactions and metabolic flux.

Ranked Citations

  1. 1.

    Extracted from this source document.

  2. 2.
    StructuralSource 2International Journal of Molecular Sciences2021Claim 29Claim 30Claim 31

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