Toolkit/Avena sativa LOV2 domain variants

Avena sativa LOV2 domain variants

Protein Domain·Research·Since 2025

Also known as: LOV2 domain variants, optimized Avena sativa LOV2 domain variants

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

Summary

Avena sativa LOV2 domain variants are engineered insertion modules used to build thermosensitive allosteric chimeric proteins. In Escherichia coli, insertion of optimized LOV2 variants into diverse, structurally and functionally unrelated proteins produced potent thermoswitchable variants operating within a narrow 37-41 °C range.

Usefulness & Problems

Why this is useful

These LOV2 domain variants provide a generalizable module for conferring temperature responsiveness onto otherwise unrelated proteins by allosteric insertion. The reported behavior in a physiologically relevant 37-41 °C window makes them useful for engineering protein activity control near bacterial growth and host-associated temperatures.

Source:

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Problem solved

They address the challenge of engineering thermosensitive allosteric proteins in a modular way rather than requiring a bespoke redesign for each target protein. The source also indicates that thermosensing modules can be substituted, supporting the broader problem of portable temperature-control elements for protein engineering.

Source:

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Taxonomy & Function

Primary hierarchy

Mechanism Branch

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

Target processes

No target processes tagged yet.

Implementation Constraints

Implementation is described as insertion of optimized Avena sativa LOV2 domain variants into target proteins to create thermosensitive allosteric chimeras. The available evidence supports use in Escherichia coli, but it does not specify construct architecture, linker design, cofactors, or expression requirements.

The supplied evidence is limited to demonstrations in Escherichia coli and does not specify the number of target proteins, quantitative switching metrics, reversibility, or performance in other organisms. The source also does not provide practical details on insertion sites, sequence changes in the optimized LOV2 variants, or comparative benchmarking against other thermosensing modules.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Observations

successBacteriaapplication demoEscherichia coli

Inferred from claim c2 during normalization. Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range. Derived from claim c2. Quoted text: Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Source:

temperature control range(37-41)
successBacteriaapplication demoEscherichia coli

Inferred from claim c2 during normalization. Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range. Derived from claim c2. Quoted text: Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Source:

temperature control range(37-41)
successBacteriaapplication demoEscherichia coli

Inferred from claim c2 during normalization. Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range. Derived from claim c2. Quoted text: Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Source:

temperature control range(37-41)
successBacteriaapplication demoEscherichia coli

Inferred from claim c2 during normalization. Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range. Derived from claim c2. Quoted text: Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Source:

temperature control range(37-41)
successBacteriaapplication demoEscherichia coli

Inferred from claim c2 during normalization. Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range. Derived from claim c2. Quoted text: Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Source:

temperature control range(37-41)
successBacteriaapplication demoEscherichia coli

Inferred from claim c2 during normalization. Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range. Derived from claim c2. Quoted text: Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Source:

temperature control range(37-41)
successBacteriaapplication demoEscherichia coli

Inferred from claim c2 during normalization. Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range. Derived from claim c2. Quoted text: Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Source:

temperature control range(37-41)

Supporting Sources

Ranked Claims

Claim 1application resultsupports2026Source 2needs review

Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range.

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).
temperature control range 37-41 °C
Claim 2application resultsupports2026Source 2needs review

Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range.

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).
temperature control range 37-41 °C
Claim 3application resultsupports2026Source 2needs review

Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range.

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).
temperature control range 37-41 °C
Claim 4application resultsupports2026Source 2needs review

Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range.

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).
temperature control range 37-41 °C
Claim 5application resultsupports2026Source 2needs review

Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range.

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).
temperature control range 37-41 °C
Claim 6application resultsupports2026Source 2needs review

Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range.

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).
temperature control range 37-41 °C
Claim 7application resultsupports2026Source 2needs review

Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range.

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).
temperature control range 37-41 °C
Claim 8engineering strategysupports2026Source 2needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 9engineering strategysupports2026Source 2needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 10engineering strategysupports2026Source 2needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 11engineering strategysupports2026Source 2needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 12engineering strategysupports2026Source 2needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 13engineering strategysupports2026Source 2needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 14engineering strategysupports2026Source 2needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 15module substitutionsupports2026Source 2needs review

A chemoreceptor domain can serve as an alternative thermosensing module, suggesting thermosensitivity may be widespread in receptor domains.

we showcase the incorporation of a chemoreceptor domain as an alternative thermosensing module, suggesting thermosensitivity to be a widespread feature in receptor domains
Claim 16toolkit expansionsupports2026Source 2needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 17toolkit expansionsupports2026Source 2needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 18toolkit expansionsupports2026Source 2needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 19toolkit expansionsupports2026Source 2needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 20toolkit expansionsupports2026Source 2needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 21toolkit expansionsupports2026Source 2needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 22toolkit expansionsupports2026Source 2needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 23engineering strategysupports2025Source 1needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 24engineering strategysupports2025Source 1needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 25engineering strategysupports2025Source 1needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 26engineering strategysupports2025Source 1needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 27engineering strategysupports2025Source 1needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 28engineering strategysupports2025Source 1needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 29engineering strategysupports2025Source 1needs review

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants
Claim 30first of kindsupports2025Source 1needs review

The authors engineered CRISPR-Cas genome editors in mammalian systems that are directly modulated by subtle temperature changes within the physiological range.

Extending this strategy to mammalian systems, we engineered the first CRISPR-Cas genome editors directly modulated by subtle temperature changes within the physiological range.
Claim 31first of kindsupports2025Source 1needs review

The authors engineered CRISPR-Cas genome editors in mammalian systems that are directly modulated by subtle temperature changes within the physiological range.

Extending this strategy to mammalian systems, we engineered the first CRISPR-Cas genome editors directly modulated by subtle temperature changes within the physiological range.
Claim 32first of kindsupports2025Source 1needs review

The authors engineered CRISPR-Cas genome editors in mammalian systems that are directly modulated by subtle temperature changes within the physiological range.

Extending this strategy to mammalian systems, we engineered the first CRISPR-Cas genome editors directly modulated by subtle temperature changes within the physiological range.
Claim 33first of kindsupports2025Source 1needs review

The authors engineered CRISPR-Cas genome editors in mammalian systems that are directly modulated by subtle temperature changes within the physiological range.

Extending this strategy to mammalian systems, we engineered the first CRISPR-Cas genome editors directly modulated by subtle temperature changes within the physiological range.
Claim 34first of kindsupports2025Source 1needs review

The authors engineered CRISPR-Cas genome editors in mammalian systems that are directly modulated by subtle temperature changes within the physiological range.

Extending this strategy to mammalian systems, we engineered the first CRISPR-Cas genome editors directly modulated by subtle temperature changes within the physiological range.
Claim 35first of kindsupports2025Source 1needs review

The authors engineered CRISPR-Cas genome editors in mammalian systems that are directly modulated by subtle temperature changes within the physiological range.

Extending this strategy to mammalian systems, we engineered the first CRISPR-Cas genome editors directly modulated by subtle temperature changes within the physiological range.
Claim 36first of kindsupports2025Source 1needs review

The authors engineered CRISPR-Cas genome editors in mammalian systems that are directly modulated by subtle temperature changes within the physiological range.

Extending this strategy to mammalian systems, we engineered the first CRISPR-Cas genome editors directly modulated by subtle temperature changes within the physiological range.
Claim 37module substitutionsupports2025Source 1needs review

A chemoreceptor domain can serve as an alternative thermosensing module, suggesting thermo-sensitivity may be widespread in receptor domains.

we showcase the incorporation of a chemoreceptor domain as an alternative thermosensing module, suggesting thermo-sensitivity to be a widespread feature in receptor domains
Claim 38scope statementsupports2025Source 1needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 39scope statementsupports2025Source 1needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 40scope statementsupports2025Source 1needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 41scope statementsupports2025Source 1needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 42scope statementsupports2025Source 1needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 43scope statementsupports2025Source 1needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.
Claim 44scope statementsupports2025Source 1needs review

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.

Approval Evidence

2 sources5 linked approval claimsfirst-pass slug avena-sativa-lov2-domain-variants
through the insertion of optimized Avena sativa LOV2 domain variants

Source:

through the insertion of optimized Avena sativa LOV2 domain variants

Source:

application resultsupports

Applying the LOV2-based strategy to diverse structurally and functionally unrelated proteins in Escherichia coli generated potent thermoswitchable chimeric variants controllable within a narrow 37-41 °C temperature range.

Applying this approach to a diverse set of structurally and functionally unrelated proteins in Escherichia coli, we generated potent, thermoswitchable chimeric variants that can be tightly controlled within narrow temperature ranges (37-41 °C).

Source:

engineering strategysupports

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants

Source:

toolkit expansionsupports

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.

Source:

engineering strategysupports

The paper presents a generalizable strategy for engineering thermosensitive allosteric proteins by inserting optimized Avena sativa LOV2 domain variants.

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants

Source:

scope statementsupports

This work expands the thermogenetics toolkit and provides a blueprint for temperature-dependent control of virtually any protein of interest.

This work expands the toolkit of thermogenetics, providing a blueprint for temperature-dependent control of virtually any protein of interest.

Source:

Comparisons

Source-backed strengths

The reported strategy was applied to diverse structurally and functionally unrelated proteins, supporting modularity across multiple protein contexts. The resulting chimeras were described as potent thermoswitchable variants with control confined to a narrow 37-41 °C range in E. coli.

Source:

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants

Source:

we present a generalizable strategy for engineering thermosensitive allosteric proteins through the insertion of optimized Avena sativa LOV2 domain variants

Ranked Citations

  1. 1.

    Extracted from this source document.

  2. 2.
    StructuralSource 2Nature Chemical Biology2026Claim 1Claim 2Claim 3

    Extracted from this source document.