Toolkit/Flash-Away

Flash-Away

Multi-Component Switch·Research·Since 2025

Also known as: FLASH-AWAY

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

Summary

Flash-Away is an intrabody-directed optogenetic protein degradation system that enables blue-light-triggered, targeted degradation of selected proteins. It has been reported to act on actin, MLKL, and ALFA-tagged proteins.

Usefulness & Problems

Why this is useful

Flash-Away is useful for inducible removal of specific proteins with light, allowing temporal control over protein abundance. The available evidence indicates that it supports selective degradation through intrabody-based target recognition under blue-light exposure.

Source:

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.

Source:

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.

Source:

we introduce an intrabody-based optogenetic toolbox named Flash-Away

Problem solved

Flash-Away addresses the problem of achieving rapid, targeted degradation of chosen proteins in a light-dependent manner. The reported application to actin, MLKL, and ALFA-tagged proteins indicates that it can be adapted to multiple targets recognized by appropriate intrabodies.

Source:

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.

Published Workflows

Objective: Develop a light-inducible, intrabody-directed system for targeted degradation of selected intracellular proteins.

Why it works: The abstract states that Flash-Away combines a light-responsive degradation effector module based on the TRIM21 RING domain with specific intrabodies for precise targeting, so blue light can trigger degradation of chosen proteins.

light-responsive ubiquitination via the TRIM21 RING domainintrabody-mediated target recognitionoptogenetic controlintrabody-directed targeting

Taxonomy & Function

Primary hierarchy

Mechanism Branch

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

Techniques

No technique tags yet.

Target processes

degradation

Input: Light

Implementation Constraints

The system is described as intrabody-directed and blue-light responsive, so implementation requires a target-recognizing intrabody and light delivery in the blue range. The provided evidence does not specify the exact photoreceptor components, degradation domain composition, expression system, or cofactor requirements.

The supplied evidence is limited to a single 2025 source and two high-level claims. Quantitative performance, reversibility, degradation kinetics, off-target effects, construct architecture, and validation across organisms or cell types are not provided here.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application scopesupports2025Source 1needs review

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.
Claim 2application scopesupports2025Source 1needs review

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.
Claim 3application scopesupports2025Source 1needs review

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.
Claim 4application scopesupports2025Source 1needs review

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.
Claim 5application scopesupports2025Source 1needs review

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.
Claim 6application scopesupports2025Source 1needs review

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.
Claim 7application scopesupports2025Source 1needs review

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.
Claim 8application scopesupports2025Source 1needs review

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.
Claim 9functional effectsupports2025Source 1needs review

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.
degradation speed rapid
Claim 10functional effectsupports2025Source 1needs review

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.
degradation speed rapid
Claim 11functional effectsupports2025Source 1needs review

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.
degradation speed rapid
Claim 12functional effectsupports2025Source 1needs review

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.
degradation speed rapid
Claim 13functional effectsupports2025Source 1needs review

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.
degradation speed rapid
Claim 14functional effectsupports2025Source 1needs review

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.
degradation speed rapid
Claim 15functional effectsupports2025Source 1needs review

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.
degradation speed rapid
Claim 16functional effectsupports2025Source 1needs review

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.
degradation speed rapid
Claim 17mechanismsupports2025Source 1needs review

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.
Claim 18mechanismsupports2025Source 1needs review

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.
Claim 19mechanismsupports2025Source 1needs review

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.
Claim 20mechanismsupports2025Source 1needs review

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.
Claim 21mechanismsupports2025Source 1needs review

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.
Claim 22mechanismsupports2025Source 1needs review

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.
Claim 23mechanismsupports2025Source 1needs review

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.
Claim 24mechanismsupports2025Source 1needs review

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.
Claim 25tool introductionsupports2025Source 1needs review

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away
Claim 26tool introductionsupports2025Source 1needs review

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away
Claim 27tool introductionsupports2025Source 1needs review

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away
Claim 28tool introductionsupports2025Source 1needs review

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away
Claim 29tool introductionsupports2025Source 1needs review

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away
Claim 30tool introductionsupports2025Source 1needs review

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away
Claim 31tool introductionsupports2025Source 1needs review

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away
Claim 32tool introductionsupports2025Source 1needs review

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away

Approval Evidence

1 source4 linked approval claimsfirst-pass slug flash-away
we introduce an intrabody-based optogenetic toolbox named Flash-Away. Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.

Source:

application scopesupports

Flash-Away was successfully applied to actin, MLKL, and ALFA-tag fused proteins.

This versatility is demonstrated through successful application to diverse protein targets, including actin, MLKL, and ALFA-tag fused proteins.

Source:

functional effectsupports

Blue-light exposure enables rapid and targeted degradation of selected proteins by Flash-Away.

Upon exposure to blue light, Flash-Away enables rapid and targeted degradation of selected proteins.

Source:

mechanismsupports

Flash-Away couples light-responsive ubiquitination activity of the TRIM21 RING domain with specific intrabodies for precise target recognition.

Flash-Away integrates the light-responsive ubiquitination activity of the RING domain of TRIM21 for protein degradation, coupled with specific intrabodies for precise targeting.

Source:

tool introductionsupports

Flash-Away is an intrabody-based optogenetic toolbox for targeted protein degradation.

we introduce an intrabody-based optogenetic toolbox named Flash-Away

Source:

Comparisons

Source-backed strengths

The main reported strength is rapid and targeted degradation upon blue-light exposure. Its demonstrated use against endogenous or specified targets including actin, MLKL, and ALFA-tag fusion proteins supports functional versatility across more than one target class.

Ranked Citations

  1. 1.

    Extracted from this source document.