Molecule Generation via Matched Embeddings for Property Improvement

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Solution Overview

Problem

Existing methods for enhancing molecular properties, particularly in small and large molecule therapeutics, face challenges in efficiently improving properties such as binding affinity, specificity, and developability, due to limitations in chemical synthesis and biological delivery.

Innovation Solution

A machine learning-based technique using a molecule design computation model that encodes and decodes molecular representations to generate output molecules with enhanced properties, incorporating training on matched datasets to approximate gradients or distributions for superior property values.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional chemical synthesis and biological delivery methods are used to enhance molecular properties, then molecules can be produced with desired therapeutic properties, but the process is inefficient and faces limitations in improving properties such as binding affinity, specificity, and developability

Engineering Contradiction:
Improvebinding affinityVSAvoidefficiency of property enhancement
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent replaces traditional chemical synthesis and biological delivery methods with a machine learning-based computational system. The ML model predicts optimal molecular modifications to enhance binding affinity, specificity, and developability properties, substituting inefficient experimental trial-and-error approaches with accurate computational predictions that guide precise molecular design and synthesis.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent utilizes machine learning to identify and predict optimal changes in molecular parameters (such as chemical structure, functional groups, and molecular weight) that will enhance desired properties. The system analyzes relationships between molecular parameters and therapeutic properties, enabling efficient optimization of binding affinity, specificity, and developability through computational parameter adjustment rather than exhaustive experimental testing.

Inventive Principle:
Principle #35Parameter changes

2Manufacturing precision

If machine learning models are trained on matched datasets to approximate gradients or distributions, then molecules with superior property values can be generated, but the computational complexity and training requirements increase

Engineering Contradiction:
Improveproperty enhancement precisionVSAvoidcomputational model complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent performs preliminary training of machine learning models on matched datasets containing molecular pairs with different property values. This preliminary action creates pre-trained models that have already learned the relationships between molecular structures and desired properties, enabling accurate predictions during actual molecular design tasks without requiring complex real-time computations.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent uses matched datasets consisting of molecular pairs where one molecule has superior properties than the other. The ML model learns by copying successful structural patterns and modifications from these paired examples, enabling it to generate new molecules with enhanced properties by replicating effective design principles observed in the training data without requiring exhaustive exploration of molecular space.

Inventive Principle:
Principle #26Copying

Data Source

PatentUS20250364090A1Implicitly guided generation by matching data points
Publication Date: 2025.11.27 GENENTECH INC
  • US20250364090A1 patent drawing
  • US20250364090A1 patent drawing
  • US20250364090A1 patent drawing

AI summary

An input molecule exhibiting a value for one or more properties may be identified. A molecule design computation model may be applied to generate one or more output molecule exhibiting a different value for the one or more properties than the input molecule. The molecule design computation model may generate the one or more output molecules by at least encoding the input molecule to generate an embedding of the input molecule, and decoding the embedding of the input molecule to generate the one or more output molecules. In some cases, the molecule design computation model may generate the one or more output molecules by denoising an input molecule while conditioned on the input molecule. In some cases, the molecule design computation model may operate on a joint representation of the input molecule that combines a linear and a three-dimensional representation of the input molecule.