Novel Applications of E3 Ubiquitin Ligase Technology

Publication ID: 24-11857519_0007_PTD
Published: October 28, 2025
Category:New Applications & Use Cases

Legal Citation

pr1or.art Inc., “Novel Applications of E3 Ubiquitin Ligase Technology,” Published Technical Disclosure No. 24-11857519_0007_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857519_0007_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,519.

Summary of the Inventive Concept

This inventive concept expands the scope of E3 ubiquitin ligase technology beyond its original application in targeted protein degradation, exploring its potential in environmental monitoring, food safety, counterfeit detection, industrial process optimization, and bioterrorism agent detection.

Background and Problem Solved

The original patent disclosed compounds and methods for the targeted degradation of enhancer of zeste homolog 2 polypeptide. However, the limitations of this technology lie in its narrow focus on a specific biological target. The new inventive concept addresses this limitation by applying the core E3 ubiquitin ligase technology to entirely new industries and problems, thereby increasing its versatility and impact.

Detailed Description of the Inventive Concept

The new inventive concept involves the design and implementation of novel systems and methods that utilize E3 ubiquitin ligase proteins to detect and analyze specific target proteins indicative of various phenomena, such as water pollution, food spoilage, counterfeit goods, process efficiency, and bioterrorism agents. These systems comprise sensor modules, processing modules, and verification modules that work in tandem to provide accurate and reliable readings. The E3 ubiquitin ligase proteins are engineered to ubiquitinate the target proteins, which are then detected and analyzed to provide meaningful insights.

Novelty and Inventive Step

The new inventive concept's novelty lies in its application of E3 ubiquitin ligase technology to non-biological targets and industries, as well as its innovative system designs and methods. The inventive step is the recognition of the potential of E3 ubiquitin ligase proteins to ubiquitinate target proteins beyond biological contexts, enabling the development of novel detection and analysis systems.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different types of ubiquitin ligases, varying sensor module configurations, or the integration of machine learning algorithms to enhance data analysis. Variations could also involve adapting the technology for use in other industries, such as healthcare or agriculture.

Potential Commercial Applications and Market

The new inventive concept has significant commercial potential in various industries, including environmental monitoring, food safety, luxury goods authentication, industrial process optimization, and bioterrorism detection. The market for these applications is substantial, with growing demands for efficient and accurate detection and analysis systems.

CPC Classifications

SectionClassGroup
A A61 A61K31/166
A A61 A61K31/351
A A61 A61K31/405
A A61 A61K38/45
A A61 A61K47/545
A A61 A61K47/55
A A61 A61K47/555
A A61 A61P35/00
C C07 C07D401/14
C C07 C07D405/12
C C07 C07D405/14
C C07 C07D409/14
C C07 C07D417/14
C C07 C07D471/04
C C12 C12N9/1007
C C12 C12Y201/01043

Field of Art

Protein Engineering, Biotechnology, and Chemical Biology with specialization in Ubiquitin Ligase Systems and Targeted Protein Modification Technologies

Person of Ordinary Skill (PHOSITA) Profile

A researcher with advanced degrees in biochemistry or chemical biology, experienced in protein engineering techniques, familiar with ubiquitin-proteasome systems, and capable of designing novel protein interactions and detection methodologies

Obviousness Rationale

The published technical disclosure represents a straightforward extension of the source patent's foundational E3 ubiquitin ligase technology by applying its core protein modification principles to novel detection and monitoring contexts. A skilled practitioner would recognize the inherent versatility of ubiquitin ligase systems for protein targeting and understand how these mechanisms could be adapted across different industrial and environmental applications. The PTD's variations demonstrate predictable variations using known protein engineering techniques within a well-established technological framework.

Obvious Combinations & Variations

Source Patent Element
Targeted protein degradation using E3 ubiquitin ligase compounds
PTD Variation
Environmental monitoring systems using E3 ubiquitin ligase for pollutant protein detection
Obviousness Reasoning
Predictable application of known protein targeting mechanism to a new detection context, utilizing the same fundamental protein interaction principles
Source Patent Element
Chimeric protein constructs with specific binding moieties
PTD Variation
Bifunctional constructs for food spoilage detection integrating ubiquitin ligase binding domains
Obviousness Reasoning
Known protein engineering technique of creating modular binding domains with predictable interaction capabilities
Source Patent Element
Chemical linking strategies for protein modification
PTD Variation
Sensor modules with engineered E3 ubiquitin ligase proteins for diverse detection applications
Obviousness Reasoning
Routine protein engineering approach applying established molecular design principles to create multi-functional detection systems
Source Patent Element
Pharmaceutical composition methods for targeted protein interactions
PTD Variation
Industrial process monitoring systems using protein ubiquitination as a detection mechanism
Obviousness Reasoning
Logical extension of protein interaction technologies into process monitoring, representing a predictable technological adaptation
Source Patent Element
Protein modification techniques involving ubiquitination
PTD Variation
Bioterrorism agent detection systems utilizing E3 ubiquitin ligase protein interaction strategies
Obviousness Reasoning
Obvious application of known protein targeting technologies to a novel detection domain with predictable technological transfer
35 U.S.C. § 103 Summary: Pursuant to 35 U.S.C. ยง 103, the variations disclosed in the published technical disclosure would have been obvious to a person having ordinary skill in the art at the time of invention, as they represent predictable extensions of the foundational protein modification techniques disclosed in US Patent 11857519, applying known ubiquitin ligase interaction principles across diverse technological domains through routine protein engineering methodologies.

Original Patent Information

Patent NumberUS 11,857,519
TitleCompounds and methods for the targeted degradation of enhancer of zeste homolog 2 polypeptide
Assignee(s)Arvinas Operations, Inc.