L-Proline Cis-4-Hydroxylase Enzyme Production Yield
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for producing cis-4-hydroxy-L-proline are either expensive due to the high cost of trans-4-hydroxy-L-proline starting materials or inefficient, yielding only 0.65 g/L using microorganisms, making them impractical for industrial use.
Innovation Solution
The production of L-proline cis-4-hydroxylase enzyme using a recombinant vector in an expression system, allowing for the conversion of L-proline to cis-4-hydroxy-L-proline through a microbial cell reaction or fermentation method, utilizing specific amino acid sequences with cis-4-hydroxylase activity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If organic synthesis method using trans-4-hydroxy-L-proline derivative is used, then cis-4-hydroxy-L-proline can be produced, but the production cost becomes high due to expensive starting materials
Solution Approach 1:
The patent replaces expensive trans-4-hydroxy-L-proline starting materials with inexpensive L-proline as the substrate. By using a microbial enzyme system (L-proline cis-4-hydroxylase) to catalyze the conversion, the method achieves cost-effective production of cis-4-hydroxy-L-proline without requiring costly synthetic precursors.
Solution Approach 2:
The patent substitutes chemical synthesis methods with a biological catalysis system. Instead of using chemical reagents and multi-step organic synthesis, the invention employs L-proline cis-4-hydroxylase enzyme from microorganisms to catalyze the direct conversion of L-proline to cis-4-hydroxy-L-proline, simplifying the process and reducing costs.
2Ease of manufacture
If microorganism-based production method is used, then cis-4-hydroxy-L-proline can be produced from L-proline, but the production amount is extremely low at 0.65 g/L making it impractical
Solution Approach 1:
The patent optimizes multiple parameters including enzyme concentration, substrate concentration, pH, temperature, and reaction time to dramatically improve production yield. By systematically adjusting these parameters and using highly active L-proline cis-4-hydroxylase variants, the method achieves industrial-scale production levels far exceeding the 0.65 g/L baseline.
Solution Approach 2:
The patent employs composite enzyme systems or engineered microorganism strains that combine L-proline cis-4-hydroxylase with optimized expression systems and cofactor supplementation. This composite approach enhances enzymatic activity and stability, enabling high-yield production that overcomes the limitations of simple microbial cultures.
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
This method enables the economical and efficient production of cis-4-hydroxy-L-proline, overcoming the limitations of high costs and low yields in existing methods, providing a viable industrial-scale production process.
Implementation Method 1
L-proline cis-4-hydroxylase enzyme... producing cis-4-hydroxy-L-proline by reacting L-proline with the L-proline cis-4-hydroxylase
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Development of a method of economically and efficiently producing cis-4-hydroxy-L-proline. The present invention provides L-proline cis-4-hydroxylase. This enzyme may be derived from Lotus corniculatus rhizobia, Mesorhizobium loti or Medicago sativa rhizobia, Sinorhizobium meliloti. The present invention provides a method of producing cis-4-hydroxy-L-proline from L-proline by using this enzyme. The present invention provides a recombinant vector containing a polynucleotide encoding the enzyme and a transformant containing the vector.