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Moosavi F, Ahrari F, Ahmadian G, Mohammadi M. Sortase-mediated immobilization of Candida antarctica lipase B (CalB) on graphene oxide; comparison with chemical approach. BIOTECHNOLOGY REPORTS 2022; 34:e00733. [PMID: 35686009 PMCID: PMC9171452 DOI: 10.1016/j.btre.2022.e00733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 04/18/2022] [Accepted: 04/20/2022] [Indexed: 11/25/2022]
Abstract
Sortase A was used for the oriented immobilization of CalB on graphene oxide nanosheets Random attachment of CalB on GO nanosheets were performed by chemical immobilization The immobilized CalB were used for the enrichment of omega-3 fatty acids in fish oil The derivative obtained from oriented immobilization showed improved selectivity
In this study, Candida antarctica lipase B (CalB) was covalently immobilized on the surface of graphene oxide (GO) nanoparticles by sortase-mediated immobilization as well as a chemical attachment approach. Sortase is a transpeptidase that provides one-step purification and targeted immobilization of CalB from one specific site, presenting oriented attachment of the enzyme to a solid support. Chemical immobilization, on the other hand, is considered as a random immobilization, in which the protein can bind to the support from different regions of the protein surface. In this approach, amine-functionalized GO was further modified with glutaraldehyde to facilitate the covalent binding of CalB via its amine residues. The applied methods produced 60% and 100% immobilization yields and presented 0.106 U/mg and 0.085 U/mg of specific activities for the oriented and random immobilization, respectively. The stabilized enzyme with the sortase-mediated approach retained approximately 80% of its initial activity at 50°C.
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2
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Ren L, Ji H, Heuzé K, Faure B, Genin E, Rousselot Pailley P, Tron T. Modulation of laccase catalysed oxidations at the surface of magnetic nanoparticles. Colloids Surf B Biointerfaces 2021; 206:111963. [PMID: 34293579 DOI: 10.1016/j.colsurfb.2021.111963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 06/22/2021] [Accepted: 06/29/2021] [Indexed: 11/18/2022]
Abstract
We explored the coupling of laccases to magnetic nanoparticles (MNPs) with different surface chemical coating. Two laccase variants offering two opposite and precise orientations of the substrate oxidation site were immobilised onto core-shell MNPs presenting either aliphatic aldehyde, aromatic aldehyde or azide functional groups at the particles surface. Oxidation capabilities of the six-resulting laccase-MNP hybrids were compared on ABTS and coniferyl alcohol. Herein, we show that the original interfaces created differ substantially in their reactivities with an amplitude from 1 to > 4 folds depending on the nature of the substrate. Taking enzyme orientation into account in the design of surface modification represents a way to introduce selectivity in laccase catalysed reactions.
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Affiliation(s)
- Lu Ren
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR7313, 13397 Marseille, France
| | - Hongtao Ji
- Institut des Sciences Moléculaires, Université de Bordeaux, CNRS UMR5255, 33405 Talence cedex, France
| | - Karine Heuzé
- Institut des Sciences Moléculaires, Université de Bordeaux, CNRS UMR5255, 33405 Talence cedex, France.
| | - Bruno Faure
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR7313, 13397 Marseille, France
| | - Emilie Genin
- Institut des Sciences Moléculaires, Université de Bordeaux, CNRS UMR5255, 33405 Talence cedex, France
| | | | - Thierry Tron
- Aix Marseille Université, Centrale Marseille, CNRS, iSm2 UMR7313, 13397 Marseille, France.
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3
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Tavernini L, Romero O, Aburto C, López-Gallego F, Illanes A, Wilson L. Development of a Hybrid Bioinorganic Nanobiocatalyst: Remarkable Impact of the Immobilization Conditions on Activity and Stability of β-Galactosidase. Molecules 2021; 26:molecules26144152. [PMID: 34299429 PMCID: PMC8303607 DOI: 10.3390/molecules26144152] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/01/2021] [Accepted: 07/05/2021] [Indexed: 01/15/2023] Open
Abstract
Hybrid bioinorganic biocatalysts have received much attention due to their simple synthesis, high efficiency, and structural features that favor enzyme activity and stability. The present work introduces a biomineralization strategy for the formation of hybrid nanocrystals from β-galactosidase. The effects of the immobilization conditions were studied, identifying the important effect of metal ions and pH on the immobilization yield and the recovered activity. For a deeper understanding of the biomineralization process, an in silico study was carried out to identify the ion binding sites at the different conditions. The selected β-galactosidase nanocrystals showed high specific activity (35,000 IU/g biocatalyst) and remarkable thermal stability with a half-life 11 times higher than the soluble enzyme. The nanobiocatalyst was successfully tested for the synthesis of galacto-oligosaccharides, achieving an outstanding performance, showing no signs of diffusional limitations. Thus, a new, simple, biocompatible and inexpensive nanobiocatalyst was produced with high enzyme recovery (82%), exhibiting high specific activity and high stability, with promising industrial applications.
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Affiliation(s)
- Luigi Tavernini
- Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2085, Valparaíso 2362803, Chile; (L.T.); (C.A.); (A.I.)
| | - Oscar Romero
- Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2085, Valparaíso 2362803, Chile; (L.T.); (C.A.); (A.I.)
- Bioprocess Engineering and Applied Biocatalysis Group, Department of Chemical Biological and Environmental Engineering, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
- Correspondence: (O.R.); (L.W.)
| | - Carla Aburto
- Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2085, Valparaíso 2362803, Chile; (L.T.); (C.A.); (A.I.)
| | - Fernando López-Gallego
- CIC biomaGUNE, Basque Research and Technology Alliance (BRTA), Paseo de Miramón 182, 20014 Donostia-San Sebastián, Spain;
- Ikerbasque, Basque Foundation for Science, 48013 Bilbao, Spain
| | - Andrés Illanes
- Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2085, Valparaíso 2362803, Chile; (L.T.); (C.A.); (A.I.)
| | - Lorena Wilson
- Escuela de Ingeniería Bioquímica, Pontificia Universidad Católica de Valparaíso, Avenida Brasil 2085, Valparaíso 2362803, Chile; (L.T.); (C.A.); (A.I.)
- Correspondence: (O.R.); (L.W.)
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4
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Brabcova J, Andreu A, Aguilera D, Cabrera Z, de las Rivas B, Muñoz R, Palomo JM. Geranyl Functionalized Materials for Site-Specific Co-Immobilization of Proteins. Molecules 2021; 26:3028. [PMID: 34069529 PMCID: PMC8161341 DOI: 10.3390/molecules26103028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 11/16/2022] Open
Abstract
Different materials containing carboxylic groups have been functionalized with geranyl-amine molecules by using an EDC/NHS strategy. Chemical modification of the support was confirmed by XRD, UV-spectrophotometer, and FT-IR. This geranyl-functionalized material was successfully applied for four different strategies of site-selective immobilization of proteins at room temperature and aqueous media. A reversible hydrophobic immobilization of proteins (lipases, phosphoglucosidases, or tyrosinase) was performed in neutral pH in yields from 40 to >99%. An increase of the activity in the case of lipases was observed from a range of 2 to 4 times with respect to the initial activity in solution. When chemically or genetically functionalized cysteine enzymes were used, the covalent immobilization, via a selective thiol-alkene reaction, was observed in the presence of geranyl support at pH 8 in lipases in the presence of detergent (to avoid the previous hydrophobic interactions). Covalent attachment was confirmed with no release of protein after immobilization by incubation with hydrophobic molecules. In the case of a selenium-containing enzyme produced by the selenomethionine pathway, the selective immobilization was successfully yielded at acidic pH (pH 5) (89%) much better than at pH 8. In addition, when an azido-enzyme was produced by the azide-homoalanine pathway, the selective immobilization was successful at pH 6 and in the presence of CuI for the click chemistry reaction.
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Affiliation(s)
- Jana Brabcova
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, 28049 Madrid, Spain; (J.B.); (A.A.); (D.A.)
- Bacterial Biotechnology, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain; (B.d.l.R.); (R.M.)
| | - Alicia Andreu
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, 28049 Madrid, Spain; (J.B.); (A.A.); (D.A.)
| | - David Aguilera
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, 28049 Madrid, Spain; (J.B.); (A.A.); (D.A.)
| | - Zaida Cabrera
- School of Biochemical Engineering, Pontificia Universidad Católica de Valparaíso, Avda, Brasil, 2085 Valparaíso, Chile;
| | - Blanca de las Rivas
- Bacterial Biotechnology, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain; (B.d.l.R.); (R.M.)
| | - Rosario Muñoz
- Bacterial Biotechnology, Institute of Food Science, Technology and Nutrition (ICTAN-CSIC), Juan de la Cierva 3, 28006 Madrid, Spain; (B.d.l.R.); (R.M.)
| | - Jose M. Palomo
- Department of Biocatalysis, Institute of Catalysis (CSIC), Marie Curie 2, 28049 Madrid, Spain; (J.B.); (A.A.); (D.A.)
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Production of new nanobiocatalysts via immobilization of lipase B from C. antarctica on polyurethane nanosupports for application on food and pharmaceutical industries. Int J Biol Macromol 2020; 165:2957-2963. [DOI: 10.1016/j.ijbiomac.2020.10.179] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 09/04/2020] [Accepted: 10/22/2020] [Indexed: 12/18/2022]
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6
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Biocatalysis at Extreme Temperatures: Enantioselective Synthesis of both Enantiomers of Mandelic Acid by Transesterification Catalyzed by a Thermophilic Lipase in Ionic Liquids at 120 °C. Catalysts 2020. [DOI: 10.3390/catal10091055] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The use of biocatalysts in organic chemistry for catalyzing chemo-, regio- and stereoselective transformations has become an usual tool in the last years, both at lab and industrial scale. This is not only because of their exquisite precision, but also due to the inherent increase in the process sustainability. Nevertheless, most of the interesting industrial reactions involve water-insoluble substrates, so the use of (generally not green) organic solvents is generally required. Although lipases are capable of maintaining their catalytic precision working in those solvents, reactions are usually very slow and consequently not very appropriate for industrial purposes. Increasing reaction temperature would accelerate the reaction rate, but this should require the use of lipases from thermophiles, which tend to be more enantioselective at lower temperatures, as they are more rigid than those from mesophiles. Therefore, the ideal scenario would require a thermophilic lipase capable of retaining high enantioselectivity at high temperatures. In this paper, we describe the use of lipase from Geobacillus thermocatenolatus as catalyst in the ethanolysis of racemic 2-(butyryloxy)-2-phenylacetic to furnish both enantiomers of mandelic acid, an useful intermediate in the synthesis of many drugs and active products. The catalytic performance at high temperature in a conventional organic solvent (isooctane) and four imidazolium-based ionic liquids was assessed. The best results were obtained using 1-ethyl-3-methyl imidazolium tetrafluoroborate (EMIMBF4) and 1-ethyl-3-methyl imidazolium hexafluorophosphate (EMIMPF6) at temperatures as high as 120 °C, observing in both cases very fast and enantioselective kinetic resolutions, respectively leading exclusively to the (S) or to the (R)-enantiomer of mandelic acid, depending on the anion component of the ionic liquid.
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Godoy CA, Klett J, Di Geronimo B, Hermoso JA, Guisán JM, Carrasco-López C. Disulfide Engineered Lipase to Enhance the Catalytic Activity: A Structure-Based Approach on BTL2. Int J Mol Sci 2019; 20:ijms20215245. [PMID: 31652673 PMCID: PMC6862113 DOI: 10.3390/ijms20215245] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 09/16/2019] [Accepted: 09/23/2019] [Indexed: 12/15/2022] Open
Abstract
Enhancement, control, and tuning of hydrolytic activity and specificity of lipases are major goals for the industry. Thermoalkaliphilic lipases from the I.5 family, with their native advantages such as high thermostability and tolerance to alkaline pHs, are a target for biotechnological applications. Although several strategies have been applied to increase lipases activity, the enhancement through protein engineering without compromising other capabilities is still elusive. Lipases from the I.5 family suffer a unique and delicate double lid restructuration to transition from a closed and inactive state to their open and enzymatically active conformation. In order to increase the activity of the wild type Geobacillus thermocatenulatus lipase 2 (BTL2) we rationally designed, based on its tridimensional structure, a mutant (ccBTL2) capable of forming a disulfide bond to lock the open state. ccBTL2 was generated replacing A191 and F206 to cysteine residues while both wild type C64 and C295 were mutated to serine. A covalently immobilized ccBTL2 showed a 3.5-fold increment in esterase activity with 0.1% Triton X-100 (2336 IU mg−1) and up to 6.0-fold higher with 0.01% CTAB (778 IU mg−1), both in the presence of oxidizing sulfhydryl agents, when compared to BTL2. The remarkable and industrially desired features of BTL2 such as optimal alkaliphilic pH and high thermal stability were not affected. The designed disulfide bond also conferred reversibility to the enhancement, as the increment on activity observed for ccBTL2 was controlled by redox pretreatments. MD simulations suggested that the most stable conformation for ccBTL2 (with the disulfide bond formed) was, as we predicted, similar to the open and active conformation of this lipase.
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Affiliation(s)
- César A Godoy
- Departamento de Química (LIBB), Grupo de Investigación en Ingeniería de los Procesos Agroalimentarios y Biotecnológicos (GIPAB), Universidad del Valle, C.P. 76001 Cali, Colombia.
| | - Javier Klett
- Experimental Therapeutics Programme, Spanish National Cancer Research Centre (CNIO), C/Melchor Fernández Almagro 3, E-28029 Madrid, Spain.
| | - Bruno Di Geronimo
- Experimental Therapeutics Programme, Spanish National Cancer Research Centre (CNIO), C/Melchor Fernández Almagro 3, E-28029 Madrid, Spain.
| | - Juan A Hermoso
- Department of Crystallography and Structural Biology, Institute of Physical Chemistry "Rocasolano" (IQFR-CSIC), E_28006 Madrid, Spain.
| | - José M Guisán
- Departamento de Biocatálisis. Instituto de Catálisis. CSIC. Campus UAM. Cantoblanco. C.P. 28049 Madrid, Spain.
| | - César Carrasco-López
- Department of Chemical and Biological Engineering, Hoyt Laboratory, Princeton University, Princeton, NJ 08544, USA.
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8
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Structure-Guided Immobilization of an Evolved Unspecific Peroxygenase. Int J Mol Sci 2019; 20:ijms20071627. [PMID: 30986901 PMCID: PMC6480235 DOI: 10.3390/ijms20071627] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 03/25/2019] [Accepted: 03/29/2019] [Indexed: 11/29/2022] Open
Abstract
Unspecific peroxygenases (UPOs) are highly promiscuous biocatalyst with self-sufficient mono(per)oxygenase activity. A laboratory-evolved UPO secreted by yeast was covalently immobilized in activated carriers through one-point attachment. In order to maintain the desired orientation without compromising the enzyme’s activity, the S221C mutation was introduced at the surface of the enzyme, enabling a single disulfide bridge to be established between the support and the protein. Fluorescence confocal microscopy demonstrated the homogeneous distribution of the enzyme, regardless of the chemical nature of the carrier. This immobilized biocatalyst was characterized biochemically opening an exciting avenue for research into applied synthetic chemistry.
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9
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Integrating enzyme immobilization and protein engineering: An alternative path for the development of novel and improved industrial biocatalysts. Biotechnol Adv 2018; 36:1470-1480. [DOI: 10.1016/j.biotechadv.2018.06.002] [Citation(s) in RCA: 168] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 05/02/2018] [Accepted: 06/04/2018] [Indexed: 12/15/2022]
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10
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Godoy CA. New Strategy for the Immobilization of Lipases on Glyoxyl-Agarose Supports: Production of Robust Biocatalysts for Natural Oil Transformation. Int J Mol Sci 2017; 18:ijms18102130. [PMID: 29023423 PMCID: PMC5666812 DOI: 10.3390/ijms18102130] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 10/08/2017] [Accepted: 10/09/2017] [Indexed: 01/18/2023] Open
Abstract
Immobilization on Glyoxyl–agarose support (Gx) is one of the best strategies to stabilize enzymes. However, the strategy is difficult to apply at neutral pH when most enzymes are stable and, even when possible, produces labile derivatives. This work contributes to overcoming this hurdle through a strategy that combines solid-phase amination, presence of key additives, and derivative basification. To this end, aminated industrial lipases from Candida artarctica (CAL), Thermomyces lunuginosus (TLL), and the recombinant Geobacillus thermocatenulatus (BTL2) were immobilized on Gx for the first time at neutral pH using anthranilic acid (AA) or DTT as additives (immobilization yields >70%; recovered activities 37.5–76.7%). The spectroscopic evidence suggests nucleophilic catalysis and/or adsorption as the initial lipase immobilization events. Subsequent basification drastically increases the stability of BTL2–glyoxyl derivatives under harsh conditions (t1/2, from 2.1–54.5 h at 70 °C; from 10.2 h–140 h in 80% dioxane). The novel BTL2-derivatives were active and selective in fish oil hydrolysis (1.0–1.8 μmol of polyunsaturated fatty acids (PUFAs) min−1·g−1) whereas the selected TLL-derivative was as active and stable in biodiesel production (fatty ethyl esters, EE) as the commercial Novozyme®-435 after ten reaction cycles (~70% EE). Therefore, the potential of the proposed strategy in producing suitable biocatalysts for industrial processes was demonstrated.
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Affiliation(s)
- César A Godoy
- Departamento de Química (LIBB), Grupo de Investigación en Ingeniería de los Procesos Agroalimentarios y Biotecnológicos (GIPAB), Universidad del Valle, C.P. 76001 Cali, Colombia.
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11
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Hoarau M, Badieyan S, Marsh ENG. Immobilized enzymes: understanding enzyme – surface interactions at the molecular level. Org Biomol Chem 2017; 15:9539-9551. [DOI: 10.1039/c7ob01880k] [Citation(s) in RCA: 110] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Interactions between immobilized enzymes and supporting surfaces are complex and context-dependent and can significantly alter enzyme structure, stability and activity.
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Affiliation(s)
- Marie Hoarau
- Department of Chemistry
- University of Michigan
- Ann Arbor
- USA
| | | | - E. Neil G. Marsh
- Department of Chemistry
- University of Michigan
- Ann Arbor
- USA
- Department of Biological Chemistry
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12
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Asymmetric hydrolysis of dimethyl-3-phenylglutarate in sequential batch reactor operation catalyzed by immobilized Geobacillus thermocatenulatus lipase. Catal Today 2015. [DOI: 10.1016/j.cattod.2014.12.039] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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13
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Quintana PG, Canet A, Marciello M, Valero F, Palomo JM, Baldessari A. Enzyme-catalyzed preparation of chenodeoxycholic esters by an immobilized heterologous Rhizopus oryzae lipase. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcatb.2015.05.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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14
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Siódmiak T, Mangelings D, Heyden YV, Ziegler-Borowska M, Marszałł MP. High enantioselective Novozym 435-catalyzed esterification of (R,S)-flurbiprofen monitored with a chiral stationary phase. Appl Biochem Biotechnol 2015; 175:2769-85. [PMID: 25561056 PMCID: PMC4346682 DOI: 10.1007/s12010-014-1455-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 12/15/2014] [Indexed: 12/03/2022]
Abstract
Lipases form Candida rugosa and Candida antarctica were tested for their application in the enzymatic kinetic resolution of (R,S)-flurbiprofen by enantioselective esterification. Successful chromatographic separation with well-resolved peaks of (R)- and (S)-flurbiprofen and their esters was achieved in one run on chiral stationary phases by high-performance liquid chromatography (HPLC). In this study screening of enzymes was performed, and Novozym 435 was selected as an optimal catalyst for obtaining products with high enantiopurity. Additionally, the influence of organic solvents (dichloromethane, dichloroethane, dichloropropane, and methyl tert-butyl ether), primary alcohols (methanol, ethanol, n-propanol, and n-butanol), reaction time, and temperature on the enantiomeric ratio and conversion was tested. The high values of enantiomeric ratio (E in the range of 51.3-90.5) of the esterification of (R,S)-flurbiprofen were obtained for all tested alcohols using Novozym 435, which have a great significance in the field of biotechnological synthesis of drugs. The optimal temperature range for the performed reactions was from 37 to 45 °C. As a result of the optimization, (R)-flurbiprofen methyl ester was obtained with a high optical purity, eep = 96.3 %, after 96 h of incubation. The enantiomeric ratio of the reaction was E = 90.5 and conversion was C = 35.7 %.
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Affiliation(s)
- Tomasz Siódmiak
- Department of Medicinal Chemistry, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Dr. A. Jurasza 2, 85-089 Bydgoszcz, Poland
| | - Debby Mangelings
- Department of Analytical Chemistry and Pharmaceutical Technology, Center for Pharmaceutical Research (CePhaR), Vrije Universiteit Brussel-VUB, Laarbeeklaan 103, B-1090 Brussels, Belgium
| | - Yvan Vander Heyden
- Department of Analytical Chemistry and Pharmaceutical Technology, Center for Pharmaceutical Research (CePhaR), Vrije Universiteit Brussel-VUB, Laarbeeklaan 103, B-1090 Brussels, Belgium
| | - Marta Ziegler-Borowska
- Department of Chemistry, Chair of Chemistry and Photochemistry of Polymers, Nicolaus Copernicus University, Gagarina 7, 87-100 Toruń, Poland
| | - Michał Piotr Marszałł
- Department of Medicinal Chemistry, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, Dr. A. Jurasza 2, 85-089 Bydgoszcz, Poland
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15
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Mohammadi M, Habibi Z, Dezvarei S, Yousefi M, Samadi S, Ashjari M. Improvement of the stability and selectivity of Rhizomucor miehei lipase immobilized on silica nanoparticles: Selective hydrolysis of fish oil using immobilized preparations. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.04.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Godoy CA, de las Rivas B, Guisán JM. Site-directing an intense multipoint covalent attachment (MCA) of mutants of the Geobacillus thermocatenulatus lipase 2 (BTL2): Genetic and chemical amination plus immobilization on a tailor-made support. Process Biochem 2014. [DOI: 10.1016/j.procbio.2014.04.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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17
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Tobis J, Tiller JC. Impact of the configuration of a chiral, activating carrier on the enantioselectivity of entrapped lipase from Candida rugosa in cyclohexane. Biotechnol Lett 2014; 36:1661-7. [DOI: 10.1007/s10529-014-1519-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Accepted: 03/20/2014] [Indexed: 10/25/2022]
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18
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Zhao X, Li Q, Xiao C, Zhang Y, Bian L, Zheng J, Zheng X, Li Z, Zhang Y, Fan T. Oriented immobilisation of histidine-tagged protein and its application in exploring interactions between ligands and proteins. Anal Bioanal Chem 2014; 406:2975-85. [DOI: 10.1007/s00216-014-7723-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2014] [Revised: 02/17/2014] [Accepted: 02/24/2014] [Indexed: 11/28/2022]
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19
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Barbosa O, Torres R, Ortiz C, Berenguer-Murcia Á, Rodrigues RC, Fernandez-Lafuente R. Heterofunctional Supports in Enzyme Immobilization: From Traditional Immobilization Protocols to Opportunities in Tuning Enzyme Properties. Biomacromolecules 2013; 14:2433-62. [DOI: 10.1021/bm400762h] [Citation(s) in RCA: 377] [Impact Index Per Article: 34.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Oveimar Barbosa
- Escuela de Química, Grupo
de investigación en Bioquímica y Microbiología
(GIBIM), Edificio Camilo Torres 210, Universidad Industrial de Santander, Bucaramanga, Colombia
| | - Rodrigo Torres
- Escuela de Química, Grupo
de investigación en Bioquímica y Microbiología
(GIBIM), Edificio Camilo Torres 210, Universidad Industrial de Santander, Bucaramanga, Colombia
| | - Claudia Ortiz
- Escuela de Bacteriología
y Laboratorio Clínico, Universidad Industrial de Santander, Bucaramanga, Colombia
| | - Ángel Berenguer-Murcia
- Instituto Universitario de Materiales,
Departamento de Química Inorgánica, Universidad de Alicante, Campus de San Vicente del Raspeig, Ap.
99 - 03080 Alicante, Spain
| | - Rafael C. Rodrigues
- Biocatalysis and Enzyme Technology
Lab, Institute of Food Science and Technology, Federal University of Rio Grande do Sul, Av. Bento Gonçalves,
9500, P.O. Box 15090, ZC 91501-970, Porto Alegre, RS, Brazil
| | - Roberto Fernandez-Lafuente
- Departamento de Biocatalisis, Instituto de Catálisis-CSIC, Campus UAM-CSIC,
Cantoblanco, 28049 Madrid, Spain
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