Toolkit/TR-FRET assay

TR-FRET assay

Assay Method·Research·Since 2024

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

Summary

TR-FRET assay is a time-resolved fluorescence resonance energy transfer binding assay used in the cited study to confirm binding of a small-molecule ligand to CIB1. In this evidence set, it functions as a chemical-input assay for ligand-binding confirmation.

Usefulness & Problems

Why this is useful

The assay is useful for experimentally confirming whether a candidate small molecule binds a target protein after computational or screening-based discovery. Here, it provided binding evidence for a CIB1-directed ligand identified by FRASE-bot.

Source:

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand

Source:

A neural network model is used to retain fragments with the highest likelihood of being native binders.

Source:

FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).

Source:

The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments.

Problem solved

It addresses the need to validate that a computationally identified CIB1 ligand shows measurable target engagement in an experimental binding assay. The supplied evidence specifically supports ligand-binding confirmation rather than broader functional or cellular characterization.

Source:

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete measurement method used to characterize an engineered system.

Target processes

No target processes tagged yet.

Input: Chemical

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationoperating role: sensor

The available evidence only states that binding was confirmed in a TR-FRET assay. No construct design, labeling strategy, donor-acceptor pair, buffer conditions, instrumentation, or expression system details are provided in the supplied material.

The supplied evidence does not report assay format details, fluorophores, detection wavelengths, affinity values, dynamic range, throughput, or controls. Validation is limited here to a single reported use case involving CIB1 ligand-binding confirmation.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1application resultsupports2024Source 1needs review

Applying FRASE-bot to CIB1 identified a small-molecule CIB1 ligand.

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand
Claim 2application resultsupports2024Source 1needs review

Applying FRASE-bot to CIB1 identified a small-molecule CIB1 ligand.

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand
Claim 3application resultsupports2024Source 1needs review

Applying FRASE-bot to CIB1 identified a small-molecule CIB1 ligand.

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand
Claim 4application resultsupports2024Source 1needs review

Applying FRASE-bot to CIB1 identified a small-molecule CIB1 ligand.

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand
Claim 5application resultsupports2024Source 1needs review

Applying FRASE-bot to CIB1 identified a small-molecule CIB1 ligand.

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand
Claim 6application resultsupports2024Source 1needs review

Applying FRASE-bot to CIB1 identified a small-molecule CIB1 ligand.

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand
Claim 7application resultsupports2024Source 1needs review

Applying FRASE-bot to CIB1 identified a small-molecule CIB1 ligand.

We apply FRASE-bot to identify ligands for Calcium and Integrin Binding protein 1 (CIB1)... FRASE-based virtual screening identifies a small-molecule CIB1 ligand
Claim 8binding evidencesupports2024Source 1needs review

The identified small-molecule CIB1 ligand had binding confirmed in a TR-FRET assay.

a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay)
Claim 9binding evidencesupports2024Source 1needs review

The identified small-molecule CIB1 ligand had binding confirmed in a TR-FRET assay.

a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay)
Claim 10binding evidencesupports2024Source 1needs review

The identified small-molecule CIB1 ligand had binding confirmed in a TR-FRET assay.

a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay)
Claim 11binding evidencesupports2024Source 1needs review

The identified small-molecule CIB1 ligand had binding confirmed in a TR-FRET assay.

a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay)
Claim 12binding evidencesupports2024Source 1needs review

The identified small-molecule CIB1 ligand had binding confirmed in a TR-FRET assay.

a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay)
Claim 13binding evidencesupports2024Source 1needs review

The identified small-molecule CIB1 ligand had binding confirmed in a TR-FRET assay.

a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay)
Claim 14binding evidencesupports2024Source 1needs review

The identified small-molecule CIB1 ligand had binding confirmed in a TR-FRET assay.

a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay)
Claim 15method capabilitysupports2024Source 1needs review

A neural network model is used to retain seeded fragments with the highest likelihood of being native binders.

A neural network model is used to retain fragments with the highest likelihood of being native binders.
Claim 16method capabilitysupports2024Source 1needs review

A neural network model is used to retain seeded fragments with the highest likelihood of being native binders.

A neural network model is used to retain fragments with the highest likelihood of being native binders.
Claim 17method capabilitysupports2024Source 1needs review

A neural network model is used to retain seeded fragments with the highest likelihood of being native binders.

A neural network model is used to retain fragments with the highest likelihood of being native binders.
Claim 18method capabilitysupports2024Source 1needs review

A neural network model is used to retain seeded fragments with the highest likelihood of being native binders.

A neural network model is used to retain fragments with the highest likelihood of being native binders.
Claim 19method capabilitysupports2024Source 1needs review

A neural network model is used to retain seeded fragments with the highest likelihood of being native binders.

A neural network model is used to retain fragments with the highest likelihood of being native binders.
Claim 20method capabilitysupports2024Source 1needs review

A neural network model is used to retain seeded fragments with the highest likelihood of being native binders.

A neural network model is used to retain fragments with the highest likelihood of being native binders.
Claim 21method capabilitysupports2024Source 1needs review

A neural network model is used to retain seeded fragments with the highest likelihood of being native binders.

A neural network model is used to retain fragments with the highest likelihood of being native binders.
Claim 22method capabilitysupports2024Source 1needs review

FRASE-bot mines 3D structures of ligand-protein complexes to create a database of fragments in structural environments.

FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).
Claim 23method capabilitysupports2024Source 1needs review

FRASE-bot mines 3D structures of ligand-protein complexes to create a database of fragments in structural environments.

FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).
Claim 24method capabilitysupports2024Source 1needs review

FRASE-bot mines 3D structures of ligand-protein complexes to create a database of fragments in structural environments.

FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).
Claim 25method capabilitysupports2024Source 1needs review

FRASE-bot mines 3D structures of ligand-protein complexes to create a database of fragments in structural environments.

FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).
Claim 26method capabilitysupports2024Source 1needs review

FRASE-bot mines 3D structures of ligand-protein complexes to create a database of fragments in structural environments.

FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).
Claim 27method capabilitysupports2024Source 1needs review

FRASE-bot mines 3D structures of ligand-protein complexes to create a database of fragments in structural environments.

FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).
Claim 28method capabilitysupports2024Source 1needs review

FRASE-bot mines 3D structures of ligand-protein complexes to create a database of fragments in structural environments.

FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).
Claim 29method capabilitysupports2024Source 1needs review

The FRASE database can be screened to identify structural environments similar to those in a target protein and seed the target structure with relevant ligand fragments.

The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments.
Claim 30method capabilitysupports2024Source 1needs review

The FRASE database can be screened to identify structural environments similar to those in a target protein and seed the target structure with relevant ligand fragments.

The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments.
Claim 31method capabilitysupports2024Source 1needs review

The FRASE database can be screened to identify structural environments similar to those in a target protein and seed the target structure with relevant ligand fragments.

The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments.
Claim 32method capabilitysupports2024Source 1needs review

The FRASE database can be screened to identify structural environments similar to those in a target protein and seed the target structure with relevant ligand fragments.

The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments.
Claim 33method capabilitysupports2024Source 1needs review

The FRASE database can be screened to identify structural environments similar to those in a target protein and seed the target structure with relevant ligand fragments.

The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments.
Claim 34method capabilitysupports2024Source 1needs review

The FRASE database can be screened to identify structural environments similar to those in a target protein and seed the target structure with relevant ligand fragments.

The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments.
Claim 35method capabilitysupports2024Source 1needs review

The FRASE database can be screened to identify structural environments similar to those in a target protein and seed the target structure with relevant ligand fragments.

The FRASE database can be screened to identify structural environments similar to those in the target protein and seed the target structure with relevant ligand fragments.
Claim 36method introductionsupports2024Source 1needs review

FRASE-bot is introduced as a hit-finding method intended to expedite drug discovery for unconventional therapeutic targets.

We introduce FRASE-based hit-finding robot (FRASE-bot), to expedite drug discovery for unconventional therapeutic targets.
Claim 37method introductionsupports2024Source 1needs review

FRASE-bot is introduced as a hit-finding method intended to expedite drug discovery for unconventional therapeutic targets.

We introduce FRASE-based hit-finding robot (FRASE-bot), to expedite drug discovery for unconventional therapeutic targets.
Claim 38method introductionsupports2024Source 1needs review

FRASE-bot is introduced as a hit-finding method intended to expedite drug discovery for unconventional therapeutic targets.

We introduce FRASE-based hit-finding robot (FRASE-bot), to expedite drug discovery for unconventional therapeutic targets.
Claim 39method introductionsupports2024Source 1needs review

FRASE-bot is introduced as a hit-finding method intended to expedite drug discovery for unconventional therapeutic targets.

We introduce FRASE-based hit-finding robot (FRASE-bot), to expedite drug discovery for unconventional therapeutic targets.
Claim 40method introductionsupports2024Source 1needs review

FRASE-bot is introduced as a hit-finding method intended to expedite drug discovery for unconventional therapeutic targets.

We introduce FRASE-based hit-finding robot (FRASE-bot), to expedite drug discovery for unconventional therapeutic targets.
Claim 41method introductionsupports2024Source 1needs review

FRASE-bot is introduced as a hit-finding method intended to expedite drug discovery for unconventional therapeutic targets.

We introduce FRASE-based hit-finding robot (FRASE-bot), to expedite drug discovery for unconventional therapeutic targets.
Claim 42method introductionsupports2024Source 1needs review

FRASE-bot is introduced as a hit-finding method intended to expedite drug discovery for unconventional therapeutic targets.

We introduce FRASE-based hit-finding robot (FRASE-bot), to expedite drug discovery for unconventional therapeutic targets.

Approval Evidence

1 source1 linked approval claimfirst-pass slug tr-fret-assay
binding confirmed in a TR-FRET assay

Source:

binding evidencesupports

The identified small-molecule CIB1 ligand had binding confirmed in a TR-FRET assay.

a small-molecule CIB1 ligand (with binding confirmed in a TR-FRET assay)

Source:

Comparisons

Source-backed strengths

The cited study reports that binding of the identified small-molecule ligand to CIB1 was confirmed in a TR-FRET assay. The evidence supports TR-FRET as an orthogonal experimental readout following in silico ligand discovery, but does not provide quantitative performance metrics in the supplied text.

Compared with chronoamperometry

TR-FRET assay and chronoamperometry address a similar problem space.

Shared frame: same top-level item type; same primary input modality: chemical

TR-FRET assay and multicomponent, ligand-functionalized microarrays address a similar problem space.

Shared frame: same top-level item type; same primary input modality: chemical

TR-FRET assay and solid phase extraction address a similar problem space.

Shared frame: same top-level item type; same primary input modality: chemical

Ranked Citations

  1. 1.
    StructuralSource 1Nature Communications2024Claim 1Claim 2Claim 3

    Extracted from this source document.