Flavin-Dependent Oxidase Engineering for High-Purity Cannabinoid Synthesis
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Solution Overview
Problem
The production of cannabinoids is time-consuming and costly, and it is difficult to isolate pure samples, necessitating an efficient and cost-effective alternative for their synthesis.
Innovation Solution
Development of non-natural flavin-dependent oxidases with specific amino acid substitutions and without disulfide bonds, capable of oxidative cyclization of prenylated aromatic compounds into cannabinoids, such as CBGA, CBGOA, CBGVA, CBG, CBGO, and CBGV, using engineered cells and optimized reaction conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If cannabinoids are purified from C. sativa, then pure cannabinoid samples can be obtained, but the process is time-consuming and costly
Solution Approach 1:
The patent replaces the mechanical/physical purification process with an enzymatic catalysis approach. Engineered flavin-dependent oxidases with cannabinoid synthase activity directly convert prenylated aromatic compounds into cannabinoids through oxidative cyclization, eliminating the need for time-consuming extraction and purification from C. sativa plant material.
Solution Approach 2:
The patent modifies the chemical parameters of the synthesis process by using engineered enzymes with optimized amino acid substitutions that enhance catalytic efficiency and substrate specificity. This allows direct synthesis with high purity products, changing the process from physical separation to chemical transformation with controlled parameters.
2Manufacturing precision
If cannabinoids are purified from C. sativa, then pure cannabinoid samples can be obtained, but the process is costly
Solution Approach 1:
The patent replaces expensive plant extraction and purification operations with a cost-effective enzymatic synthesis system using engineered flavin-dependent oxidases. The engineered cells can be cultured and the enzymes produced at scale, providing a more economical alternative to C. sativa processing while maintaining high product purity.
Solution Approach 2:
The engineered cells produce the cannabinoid synthase activity endogenously, eliminating the need for external purification processes. The system is self-sufficient, converting substrates directly into pure cannabinoid products within the cellular environment, thereby reducing manufacturing costs associated with extraction and purification.
3Quantity of substance
If traditional cannabinoid production methods are used, then cannabinoids can be obtained, but it is difficult to isolate pure samples
Solution Approach 1:
The patent introduces specific amino acid substitutions at key positions in the flavin-dependent oxidase structure to create localized active sites with enhanced cannabinoid synthase activity. This localized enzymatic functionality enables selective conversion of substrates to specific cannabinoid products with high purity, avoiding the mixture problems of traditional methods.
Solution Approach 2:
The patent replaces non-selective plant extraction with highly selective enzymatic catalysis. The engineered flavin-dependent oxidases exhibit substrate specificity and product selectivity, directly producing pure cannabinoid samples without the need for complex separation processes, thereby simultaneously achieving high quantity and high purity.
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
Enables high-yield production of cannabinoids with high purity, facilitating their use in therapeutic applications by providing efficient and cost-effective methods for cannabinoid synthesis.
Implementation Method 1
capable of oxidative cyclization of a prenymlated aromatic compound into a cannabinoid
Data Source
AI summary
The present disclosure relates to a non-natural flavin-dependent oxidase that does not comprise a disulfide bond and that is capable of oxidative cyclization of a prenylated aromatic compound into a cannabinoid. In some embodiments, the non-natural flavin-dependent oxidase comprises: (i) at least 70% sequence identity to SEQ ID NO: 3; and (ii) substitutions at amino acid positions Q275, C285, V323, E370, V372, N400, D404, and T438, wherein the amino acid positions correspond to SEQ ID NO:3. The present disclosure further relates to a polynucleotide, an expression construct, and an engineered cell for making the non-natural flavin-dependent oxidase. Also provided are a composition comprising the non-natural flavin-dependent oxidase; an isolated non-natural flavin-dependent oxidase and methods of making the same; a cell extract or cell culture medium comprising the non-natural flavin-dependent oxidase; and methods of making a cannabinoid.