Engineered OAC Polypeptides for Cannabinoid Biosynthesis
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current biosynthetic systems for cannabinoid production in microbial hosts are inefficient in producing cannabinoid precursors and cannabinoids like olivetolic acid (OA), cannabigerolic acid (CBGA), cannabidiolic acid (CBDA), and Δ9-tetrahydrocannabinolic acid (THCA), limiting their scalability and purity for pharmaceutical applications.
Innovation Solution
Engineered genes encoding recombinant polypeptides with enhanced olivetolic acid cyclase (OAC) activity are integrated into recombinant host cells, optimizing the biosynthetic pathway to increase the production of these cannabinoids by modifying specific amino acid residues, thereby improving the yield of OA and downstream compounds.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional plant-based extraction methods are used for cannabinoid production, then a wide range of cannabinoids can be obtained, but the production is inconsistent and difficult to control for pharmaceutical purity
Solution Approach 1:
The patent replaces mechanical plant extraction processes with a biological biosynthetic system using engineered microbial cells. The engineered OAC enzyme in the microbial host catalyzes the formation of the aromatic ring structure of cannabinoids, providing controlled and consistent production. This substitution of mechanical extraction with biological synthesis enables both reliability and manufacturing precision for pharmaceutical-grade cannabinoids.
2Manufacturing precision
If chemical synthesis methods are used to produce single cannabinoid compounds, then high purity can be achieved, but the production cost becomes prohibitively high for large-scale applications
Solution Approach 1:
The patent employs self-service by utilizing the microbial host's own metabolic machinery and endogenous substrates to produce cannabinoids. The engineered OAC enzyme works within the cell's natural metabolic pathways, converting naturally occurring precursors into cannabinoid products. This eliminates the need for expensive chemical reagents and complex synthesis conditions, achieving high purity at scalable, cost-effective levels.
3Manufacturing precision
If recombinant biosynthetic systems are used for cannabinoid production, then scalability and purity can be improved, but the production efficiency of cannabinoid precursors and cannabinoids remains low
Solution Approach 1:
The patent applies parameter changes by modifying the amino acid sequence of the OAC enzyme through rational design and directed evolution. Specific amino acid substitutions were introduced to enhance the enzyme's catalytic activity and stability. These parameter changes at the molecular level resulted in significantly improved production efficiency of cannabinoid precursors and cannabinoids, while maintaining the high purity and scalability benefits of recombinant biosynthetic systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The engineered OAC polypeptides enhance the production of cannabinoid precursors and cannabinoids, achieving higher titers and purity levels compared to traditional systems, making large-scale pharmaceutical production more viable and cost-effective.
Implementation Method 1
recombinant polypeptides with enhanced olivetolic acid cyclase (OAC) activity
Data Source
AI summary
The present disclosure relates to recombinant polypeptides that have olivetolic acid cyclase activity, nucleic acids encoding these recombinant polypeptides, recombinant host cells that produce these recombinant polypeptides, and compositions comprising the recombinant polypeptides, nucleic acids, and/or recombinant host cells. The present disclosure also relates to uses of these recombinant polypeptides, nucleic acids encoding them, and recombinant host cells comprising them, in methods for the preparation of cannabinoids and cannabinoid precursors.