Toolkit/photo-caged PROTACs

photo-caged PROTACs

Construct Pattern·Research·Since 2019

Also known as: pc-PROTACs

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

Summary

Photo-caged PROTACs (pc-PROTACs) are light-activated proteolysis-targeting chimeras designed to trigger targeted protein degradation only after irradiation. The reported study presented pc-PROTACs as a general strategy for inducing degradation activity with light and showed that pc-PROTAC1 was potently active in live cells only after light exposure.

Usefulness & Problems

Why this is useful

pc-PROTACs are useful for imposing optical control over PROTAC-mediated protein degradation, enabling degradation activity to be switched on with light rather than being constitutively active. This addresses the need for conditional activation of targeted protein degradation in live-cell settings.

Source:

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.

Problem solved

This tool helps solve the problem of how to induce protein degradation in a light-dependent manner. The cited work specifically established a strategy for activating PROTAC degradation activity only after irradiation.

Problem links

Need conditional protein clearance

Derived

Photo-caged PROTACs (pc-PROTACs) are light-activated proteolysis-targeting chimeras designed to induce protein degradation only after irradiation. The reported study established this as a general strategy and applied it to at least one additional target, BTK, through construction of pc-PROTAC3.

Need precise spatiotemporal control with light input

Derived

Photo-caged PROTACs (pc-PROTACs) are light-activated proteolysis-targeting chimeras designed to induce protein degradation only after irradiation. The reported study established this as a general strategy and applied it to at least one additional target, BTK, through construction of pc-PROTAC3.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A reusable architecture pattern for arranging parts into an engineered system.

Techniques

No technique tags yet.

Target processes

degradation

Input: Light

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: spectral hardware requirementoperating role: actuatoroperating role: regulator

Implementation requires a PROTAC rendered inactive by a photocaging strategy and subsequent light irradiation to activate degradation. The provided evidence confirms live-cell use but does not provide construct chemistry, illumination parameters, or delivery details.

The supplied evidence does not specify the photocaging group, irradiation wavelength, E3 ligase ligand, target protein panel, or quantitative degradation performance. Independent replication and validation breadth beyond the originating study are not documented in the provided material.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 2capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 3capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 4capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 5capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 6capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 7capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 8capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 9capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 10capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 11capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 12capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 13capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 14capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 15capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 16capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 17capabilitysupports2019Source 1needs review

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.
Claim 18conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 19conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 20conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 21conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 22conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 23conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 24conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 25conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 26conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 27conditional activitysupports2019Source 1needs review

pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation.

the resulting molecule pc-PROTAC1 showed potent degradation activity in live cells only after light irradiation
Claim 28generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 29generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 30generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 31generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 32generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 33generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 34generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 35generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 36generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 37generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 38generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 39generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 40generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 41generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 42generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 43generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 44generalizabilitysupports2019Source 1needs review

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK
Claim 45general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 46general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 47general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 48general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 49general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 50general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 51general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 52general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 53general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 54general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 55general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 56general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 57general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 58general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 59general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 60general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 61general strategysupports2019Source 1needs review

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established
Claim 62targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 63targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 64targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 65targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 66targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 67targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 68targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 69targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 70targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish
Claim 71targeted degradationsupports2019Source 1needs review

pc-PROTAC1 efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish.

this molecule efficiently degraded Brd4 and induced expected phenotypic changes in zebrafish

Approval Evidence

1 source3 linked approval claimsfirst-pass slug photo-caged-protacs
Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.

Source:

capabilitysupports

Photo-caged PROTACs can induce protein degradation activity with light.

Here we present a type of photo-caged PROTACs (pc-PROTACs) to induce degradation activity with light.

Source:

generalizabilitysupports

The photocaged PROTAC approach was successfully applied to construct pc-PROTAC3 of BTK.

this approach was successfully applied to construct pc-PROTAC3 of BTK

Source:

general strategysupports

A general strategy to induce protein degradation with light was established.

Thus, a general strategy to induce protein degradation with light was established

Source:

Comparisons

Source-backed strengths

The available evidence shows that pc-PROTACs can induce degradation activity with light and that pc-PROTAC1 displayed potent degradation activity in live cells only after irradiation. The study also described the approach as a general strategy rather than a single isolated construct.

Compared with GFP-CRY2

photo-caged PROTACs and GFP-CRY2 address a similar problem space because they share degradation.

Shared frame: same top-level item type; shared target processes: degradation; shared mechanisms: degradation; same primary input modality: light

Compared with pc-PROTAC1

photo-caged PROTACs and pc-PROTAC1 address a similar problem space because they share degradation.

Shared frame: same top-level item type; shared target processes: degradation; shared mechanisms: degradation, light-triggered activation, targeted protein degradation; same primary input modality: light

photo-caged PROTACs and TRIM21-nanobody chimeras address a similar problem space because they share degradation.

Shared frame: same top-level item type; shared target processes: degradation; shared mechanisms: degradation, targeted protein degradation; same primary input modality: light

Ranked Citations

  1. 1.
    StructuralSource 1Journal of the American Chemical Society2019Claim 15Claim 17Claim 3

    Extracted from this source document.