Toolkit/FRASE

FRASE

Computational Method·Research·Since 2024

Also known as: FRAgments in Structural Environments

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

Summary

FRASE, also described as FRASE-bot, is a computational fragment-based ligand discovery method that mines 3D ligand–protein complex structures to build a database of fragments in structural environments. It screens this database against a target protein, seeds the target structure with relevant ligand fragments, and uses a neural network to prioritize fragments with the highest likelihood of being native binders.

Usefulness & Problems

Why this is useful

FRASE is useful for structure-based small-molecule discovery when a target protein can be compared against known ligand-binding structural environments. In the cited 2024 study, application to CIB1 identified a small-molecule CIB1 ligand, indicating utility for discovering target-directed ligands from structural information.

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

FRASE addresses the problem of finding candidate ligand fragments for a protein target by leveraging previously observed ligand–protein structural environments rather than relying only on de novo enumeration. It specifically helps prioritize seeded fragments that are more likely to represent native binders using a neural network model.

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 computational method used to design, rank, or analyze an engineered system.

Target processes

recombinationselection

Input: Chemical

Implementation Constraints

Implementation requires available 3D structures of ligand–protein complexes to construct the FRASE database and a target protein structure for structural-environment screening and fragment seeding. The workflow also includes a neural network model for ranking seeded fragments, and the cited validation used a TR-FRET binding assay for the CIB1 hit.

The supplied evidence documents one published application, to CIB1, so validation breadth is limited from the provided record. No details are provided here on model generalization, hit rate across multiple targets, input structure requirements, or comparative performance against other virtual screening methods.

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 source2 linked approval claimsfirst-pass slug frase
FRASE-bot mines available 3D structures of ligand-protein complexes to create a database of FRAgments in Structural Environments (FRASE).

Source:

method capabilitysupports

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).

Source:

method capabilitysupports

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.

Source:

Comparisons

Source-backed strengths

The method integrates three supported capabilities: mining 3D ligand–protein complexes, matching structural environments in a target protein, and neural-network-based prioritization of seeded fragments. Its application to CIB1 produced a small-molecule ligand with binding confirmed by TR-FRET assay, providing experimental support for the computational workflow.

Ranked Citations

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

    Extracted from this source document.