Genetically Engineered Amylase Enzymes High Temperature Stability
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Solution Overview
Problem
Conventional amylase enzymes used in cleaning products lose activity at high temperatures, such as 80 degrees C or 90 degrees C, impacting their performance in washing applications.
Innovation Solution
Development of genetically engineered amylase enzymes with specific amino acid sequences that retain activity and stability at high temperatures, ensuring effective starch stain removal in harsh cleaning environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional amylase enzymes are used in cleaning products, then they can remove starch stains at low temperatures, but they lose activity at high temperatures such as 80 degrees C or 90 degrees C
Solution Approach 1:
The patent applies parameter changes by modifying the amino acid sequence parameters of the amylase enzyme to achieve high temperature stability. Specifically, the enzyme sequences have been engineered with specific amino acid substitutions that maintain catalytic activity while resisting thermal denaturation at temperatures up to 90°C, thereby resolving the contradiction between maintaining enzyme activity and withstanding high temperatures
Solution Approach 2:
The patent creates composite enzyme formulations by combining genetically engineered amylase variants with specific amino acid sequences that provide both catalytic function and thermal stability. These composite protein structures integrate functional domains with stabilizing elements, allowing the enzyme to retain activity in harsh high-temperature detergent environments
2Reliability
If amylase enzymes are added to detergent formulations, then they can function in cleaning applications, but they do not retain activity in harsh detergent environments
Solution Approach 1:
The patent modifies the biochemical parameters of the amylase enzyme through genetic engineering, specifically altering amino acid sequences to increase resistance to detergent harshness. The engineered enzymes maintain optimal pH ranges and show enhanced resistance to chemical denaturation by detergent components, thereby retaining activity in harsh cleaning formulations
Solution Approach 2:
The patent develops cost-effective genetically engineered amylase variants that, while having extended stability, still represent optimized biological catalysts for single-use detergent applications. These engineered enzymes provide sufficient stability for the intended application lifecycle at reduced development and production costs compared to more complex stabilization strategies
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 genetically engineered amylase enzymes maintain performance and stability in high-temperature washing conditions, enhancing their effectiveness in laundry detergents and other cleaning applications.
Implementation Method 1
Amylases have been employed in the removal of starch stains
Data Source
AI summary
Genetically engineered enzymes having amylase enzyme activity, compositions comprising the enzymes, and methods of making and using the enzymes. Fragments of parent amylase enzymes activity and methods of using the fragments for making genetically engineered enzymes having amylase activity. The genetically engineered amylase enzymes are useful in many different applications such as laundry detergents, dish washing detergents, and cleaning products for homes, industry, vehicle care, baking, animal feed, pulp and paper processing, starch processing, brewing, and ethanol production.