Enhancement of Lipase CAL-A Selectivity by Protein Engineering for the Hydrolysis of Erucic Acid from Crambe Oil
The aim of this study is to pursue the identification and characterization of different CAL-A variants displaying higher specificity toward erucic acid than CAL-A wild type (wt). A careful analysis of the data generated from previously created site-directed saturation libraries reveals several varia...
Published in: | European Journal of Lipid Science and Technology |
---|---|
Main Authors: | , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
2019
|
Subjects: | |
Online Access: | https://zenodo.org/record/4264762 https://doi.org/10.1002/ejlt.201900115 |
id |
ftzenodo:oai:zenodo.org:4264762 |
---|---|
record_format |
openpolar |
spelling |
ftzenodo:oai:zenodo.org:4264762 2023-06-06T11:46:42+02:00 Enhancement of Lipase CAL-A Selectivity by Protein Engineering for the Hydrolysis of Erucic Acid from Crambe Oil Oroz-Guinea, Isabel Zorn, Katja Bornscheuer, Uwe 2019-06-27 https://zenodo.org/record/4264762 https://doi.org/10.1002/ejlt.201900115 eng eng info:eu-repo/grantAgreement/EC/H2020/635405/ https://zenodo.org/communities/cosmos-h2020 https://zenodo.org/record/4264762 https://doi.org/10.1002/ejlt.201900115 oai:zenodo.org:4264762 info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/legalcode European Journal of Lipid Science and Technology 122 biocatalysis Candida antarctica lipase A Erucic acid enrichment lipid modification protein engineering info:eu-repo/semantics/article publication-article 2019 ftzenodo https://doi.org/10.1002/ejlt.201900115 2023-04-13T23:06:43Z The aim of this study is to pursue the identification and characterization of different CAL-A variants displaying higher specificity toward erucic acid than CAL-A wild type (wt). A careful analysis of the data generated from previously created site-directed saturation libraries reveals several variants that display a higher preference for the hydrolysis of p-nitrophenyl (pNP)-erucate over pNP-oleate than the wt. The best three candidates (CAL-A V238D, V238Y, and V286N) are applied in biocatalysis using both Crambe oil and ethyl ester derivatives. When acting on Crambe oil, these CAL-A variants are as efficient as CAL-A wt in terms of C22:1 enrichment and product recovery independently of the temperature (enrichment and recovery values between 70–76% and 67–79% at 37C, and between 71–73% and 61–75% at 50C). In contrast, hydrolysis of Crambe ethyl esters leads to substantially increased accumulations of C22:1 and recovery values (V238Y: 78% enrichment and 92% recovery; V286N: 83% enrichment and 91% recovery) when using CAL-A V238Y and CAL-A V286N compared to CAL-A wt (78% enrichment, 60% recovery) in the free fatty acid fraction. Practical Applications: This study describes the enhancement of lipase CAL-A selectivity for the isolation and recovery of erucic acid (C22:1) from plant oil or its ethyl ester derivatives. Hence, this approach could represent a more eco-friendly alternative for its application in processes where the erucic acid is used as building block, such as the production of surfactants or polymers. Article in Journal/Newspaper Antarc* Antarctica Zenodo European Journal of Lipid Science and Technology 122 1 1900115 |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
English |
topic |
biocatalysis Candida antarctica lipase A Erucic acid enrichment lipid modification protein engineering |
spellingShingle |
biocatalysis Candida antarctica lipase A Erucic acid enrichment lipid modification protein engineering Oroz-Guinea, Isabel Zorn, Katja Bornscheuer, Uwe Enhancement of Lipase CAL-A Selectivity by Protein Engineering for the Hydrolysis of Erucic Acid from Crambe Oil |
topic_facet |
biocatalysis Candida antarctica lipase A Erucic acid enrichment lipid modification protein engineering |
description |
The aim of this study is to pursue the identification and characterization of different CAL-A variants displaying higher specificity toward erucic acid than CAL-A wild type (wt). A careful analysis of the data generated from previously created site-directed saturation libraries reveals several variants that display a higher preference for the hydrolysis of p-nitrophenyl (pNP)-erucate over pNP-oleate than the wt. The best three candidates (CAL-A V238D, V238Y, and V286N) are applied in biocatalysis using both Crambe oil and ethyl ester derivatives. When acting on Crambe oil, these CAL-A variants are as efficient as CAL-A wt in terms of C22:1 enrichment and product recovery independently of the temperature (enrichment and recovery values between 70–76% and 67–79% at 37C, and between 71–73% and 61–75% at 50C). In contrast, hydrolysis of Crambe ethyl esters leads to substantially increased accumulations of C22:1 and recovery values (V238Y: 78% enrichment and 92% recovery; V286N: 83% enrichment and 91% recovery) when using CAL-A V238Y and CAL-A V286N compared to CAL-A wt (78% enrichment, 60% recovery) in the free fatty acid fraction. Practical Applications: This study describes the enhancement of lipase CAL-A selectivity for the isolation and recovery of erucic acid (C22:1) from plant oil or its ethyl ester derivatives. Hence, this approach could represent a more eco-friendly alternative for its application in processes where the erucic acid is used as building block, such as the production of surfactants or polymers. |
format |
Article in Journal/Newspaper |
author |
Oroz-Guinea, Isabel Zorn, Katja Bornscheuer, Uwe |
author_facet |
Oroz-Guinea, Isabel Zorn, Katja Bornscheuer, Uwe |
author_sort |
Oroz-Guinea, Isabel |
title |
Enhancement of Lipase CAL-A Selectivity by Protein Engineering for the Hydrolysis of Erucic Acid from Crambe Oil |
title_short |
Enhancement of Lipase CAL-A Selectivity by Protein Engineering for the Hydrolysis of Erucic Acid from Crambe Oil |
title_full |
Enhancement of Lipase CAL-A Selectivity by Protein Engineering for the Hydrolysis of Erucic Acid from Crambe Oil |
title_fullStr |
Enhancement of Lipase CAL-A Selectivity by Protein Engineering for the Hydrolysis of Erucic Acid from Crambe Oil |
title_full_unstemmed |
Enhancement of Lipase CAL-A Selectivity by Protein Engineering for the Hydrolysis of Erucic Acid from Crambe Oil |
title_sort |
enhancement of lipase cal-a selectivity by protein engineering for the hydrolysis of erucic acid from crambe oil |
publishDate |
2019 |
url |
https://zenodo.org/record/4264762 https://doi.org/10.1002/ejlt.201900115 |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
European Journal of Lipid Science and Technology 122 |
op_relation |
info:eu-repo/grantAgreement/EC/H2020/635405/ https://zenodo.org/communities/cosmos-h2020 https://zenodo.org/record/4264762 https://doi.org/10.1002/ejlt.201900115 oai:zenodo.org:4264762 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/legalcode |
op_doi |
https://doi.org/10.1002/ejlt.201900115 |
container_title |
European Journal of Lipid Science and Technology |
container_volume |
122 |
container_issue |
1 |
container_start_page |
1900115 |
_version_ |
1767952124189081600 |