Stable Cutinase Enzymes for Sebum Stain Removal
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Solution Overview
Problem
Cutinases are rarely used in detergents due to their instability at varying temperatures and denaturing conditions, and there is a need for effective detergent additives to remove fatty stains, particularly sebum stains.
Innovation Solution
Development of new polypeptides with cutinase activity, specifically with amino acid sequences at least 75% identical to certain SEQ IDs, and compositions comprising these cutinases for effective removal of plant-based and fatty stains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If new polypeptides with enhanced stability are developed, then enzyme stability is improved, but research and development time is increased
Solution Approach 1:
The patent applies parameter changes by modifying amino acid sequences of cutinase enzymes to achieve enhanced stability. Specific substitutions at key positions (such as introducing disulfide bridges, optimizing surface charges, or stabilizing the catalytic domain) allow the enzyme to maintain activity under varied detergent conditions including different temperatures and pH levels, thereby resolving the contradiction between stability improvement and development time investment
2Productivity
If cutinase enzymes are used in detergent compositions, then stain removal capability is improved, but enzyme stability under denaturing conditions deteriorates
Solution Approach 1:
The patent applies local quality by making targeted modifications to specific regions of the cutinase enzyme structure. The catalytic domain is optimized for enhanced stain removal activity while separate stabilizing elements (such as engineered disulfide bridges, extended surface loops, or optimized N/C-terminal regions) are introduced to improve stability under denaturing detergent conditions, allowing each region to fulfill its specific function independently
3Device complexity
If existing cutinases are used, then detergent composition simplicity is maintained, but effectiveness in removing fatty stains deteriorates
Solution Approach 1:
The patent applies parameter changes by optimizing the amino acid sequence parameters of cutinase enzymes to enhance their intrinsic activity toward fatty stains including sebum. Modifications such as improving substrate binding affinity, optimizing catalytic efficiency, or enhancing solubility allow the enzyme to work more effectively at lower concentrations, maintaining detergent composition simplicity while improving stain removal performance
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 new cutinase enzymes demonstrate enhanced stability and efficacy in removing fatty stains, particularly sebum stains, within detergent compositions, addressing the stability issues and stain removal challenges of existing cutinases.
Implementation Method 1
Cutinases are enzymes capable of e. g. hydrolyzing cutin, waxy polymers that are the main components of the plant cuticle, and other fatty substrates
Data Source
AI summary
In the present invention cutinase enzymes are provided. Additionally, compositions comprising cutinase enzymes and methods of making and using cutinase enzymes are provided.