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Castillo P, Cutiño-Avila BV, González-Bacerio J, Chávez Planes MDLÁ, Díaz Brito J, Guisán Seijas JM, Del Monte-Martínez A. Rational design of biocatalysts based on covalent immobilization of acylase enzymes. Enzyme Microb Technol 2023; 171:110323. [PMID: 37703637 DOI: 10.1016/j.enzmictec.2023.110323] [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: 07/18/2023] [Revised: 09/03/2023] [Accepted: 09/06/2023] [Indexed: 09/15/2023]
Abstract
Acylases catalyze the hydrolysis of amide bonds. Penicillin G acylase (PGA) is used for the semi-synthesis of penicillins and cephalosporins. Although protein immobilization increases enzyme stability, the design of immobilized systems is difficult and usually it is empirically performed. We describe a novel application of our strategy for the Rational Design of Immobilized Derivatives (RDID) to produce optimized acylase-based immobilized biocatalysts for enzymatic bioconversion. We studied the covalent immobilization of the porcine kidney aminoacylase-1 onto aldehyde-based supports. Predictions of the RDID1.0 software and the experimental results led to the selection of glyoxyl-Sepharose CL 4B support and pH 10.0. One of the predicted clusters of reactive amino groups generates an enzyme-support configuration with highly accessible active sites, contributing with 82% of the biocatalyst's total activity. For Escherichia coli PGA, the predictions and experimental results show similar maximal amounts of immobilized protein and activity at pH 8.0 and 10.0 on glyoxyl-Sepharose CL 10B. However, thermal stability of the immobilized derivative is higher at pH 10.0 due to an elevated probability of multipoint covalent attachment. In this case, two clusters of amino groups are predicted to be relevant for PGA immobilization in catalytically competent configurations at pH 10.0, showing accessible active sites and contributing with 36% and 44% of the total activity, respectively. Our results support the usefulness of the RDID strategy to model different protein engineering approaches (site-directed mutagenesis or obtainment of fusion proteins) and select the most promising ones, saving time and laboratory work, since the in silico-designed modified proteins could have higher probabilities of success on bioconversion processes.
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Affiliation(s)
- Patricio Castillo
- Centro de Estudio de Proteínas, Facultad de Biología, Universidad de La Habana, calle 25, # 455 e/ J e I, Vedado, CP 10400 La Habana, Cuba
| | - Bessy V Cutiño-Avila
- Centro de Estudio de Proteínas, Facultad de Biología, Universidad de La Habana, calle 25, # 455 e/ J e I, Vedado, CP 10400 La Habana, Cuba
| | - Jorge González-Bacerio
- Centro de Estudio de Proteínas, Facultad de Biología, Universidad de La Habana, calle 25, # 455 e/ J e I, Vedado, CP 10400 La Habana, Cuba.
| | - María de Los Ángeles Chávez Planes
- Centro de Estudio de Proteínas, Facultad de Biología, Universidad de La Habana, calle 25, # 455 e/ J e I, Vedado, CP 10400 La Habana, Cuba
| | - Joaquín Díaz Brito
- Centro de Estudio de Proteínas, Facultad de Biología, Universidad de La Habana, calle 25, # 455 e/ J e I, Vedado, CP 10400 La Habana, Cuba
| | | | - Alberto Del Monte-Martínez
- Centro de Estudio de Proteínas, Facultad de Biología, Universidad de La Habana, calle 25, # 455 e/ J e I, Vedado, CP 10400 La Habana, Cuba.
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Yan Z, Huang B, Yang K, Anaman R, Amanze C, Jin J, Zhou H, Qiu G, Zeng W. Enlarging the substrate binding pocket of penicillin G acylase from Achromobacter sp. for highly efficient biosynthesis of β-lactam antibiotics. Bioorg Chem 2023; 136:106533. [PMID: 37084587 DOI: 10.1016/j.bioorg.2023.106533] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/23/2023] [Accepted: 04/05/2023] [Indexed: 04/23/2023]
Abstract
Penicillin G acylase (PGA) is a key biocatalyst for the enzymatic production of β-lactam antibiotics, which can not only catalyze the synthesis of β-lactam antibiotics but also catalyze the hydrolysis of the products to prepare semi-synthetic antibiotic intermediates. However, the high hydrolysis and low synthesis activities of natural PGAs severely hinder their industrial application. In this study, a combinatorial directed evolution strategy was employed to obtain new PGAs with outstanding performances. The best mutant βF24G/βW154G was obtained from the PGA of Achromobacter sp., which exhibited approximately a 129.62-fold and a 52.55-fold increase in specific activity and synthesis/hydrolysis ratio, respectively, compared to the wild-type AsPGA. Thereafter, this mutant was used to synthesize amoxicillin, cefadroxil, and ampicillin; all conversions > 99% were accomplished in 90-135 min with almost no secondary hydrolysis byproducts produced in the reaction. Molecular dynamics simulation and substrate pocket calculation revealed that substitution of the smallest glycine residue at βF24 and βW154 expanded the binding pocket, thereby facilitating the entry and release of substrates and products. Therefore, this novel mutant is a promising catalyst for the large-scale production of β-lactam antibiotics.
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Affiliation(s)
- Zhen Yan
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Bin Huang
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Kai Yang
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Richmond Anaman
- School of Metallurgy and Environment, Central South University, Changsha 410083, China
| | - Charles Amanze
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Jing Jin
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Hongbo Zhou
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Guanzhou Qiu
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China
| | - Weimin Zeng
- School of Minerals Processing and Bioengineering, Central South University, Changsha 410083, China.
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Pan X, Xu L, Li Y, Wu S, Wu Y, Wei W. Strategies to Improve the Biosynthesis of β-Lactam Antibiotics by Penicillin G Acylase: Progress and Prospects. Front Bioeng Biotechnol 2022; 10:936487. [PMID: 35923572 PMCID: PMC9340067 DOI: 10.3389/fbioe.2022.936487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
β-Lactam antibiotics are widely used anti-infection drugs that are traditionally synthesized via a chemical process. In recent years, with the growing demand for green alternatives, scientists have turned to enzymatic synthesis. Penicillin G acylase (PGA) is the second most commercially used enzyme worldwide with both hydrolytic and synthetic activities toward antibiotics, which has been used to manufacture the key antibiotic nucleus on an industrial level. However, the large-scale application of PGA-catalyzed antibiotics biosynthesis is still in the experimental stage because of some key limitations, such as low substrate concentration, unsatisfactory yield, and lack of superior biocatalysts. This paper systematically reviews the strategies adopted to improve the biosynthesis of β-lactam antibiotics by adjusting the enzymatic property and manipulating the reaction system in recent 20 years, including mining of enzymes, protein engineering, solvent engineering, in situ product removal, and one-pot reaction cascade. These advances will provide important guidelines for the future use of enzymatic synthesis in the industrial production of β-lactam antibiotics.
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Affiliation(s)
- Xin Pan
- Department of Cardiology, Central Laboratory, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- *Correspondence: Xin Pan, ; Yong Wu, ; Wenping Wei,
| | - Lei Xu
- Department of Cardiology, Central Laboratory, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Yaru Li
- Department of Cardiology, Central Laboratory, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Sihua Wu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
- Division of Molecular Science, Graduate School of Science and Technology, Gunma University, Kiryu, Japan
| | - Yong Wu
- Department of Cardiology, Central Laboratory, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- *Correspondence: Xin Pan, ; Yong Wu, ; Wenping Wei,
| | - Wenping Wei
- Department of Cardiology, Central Laboratory, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
- *Correspondence: Xin Pan, ; Yong Wu, ; Wenping Wei,
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Zaera F. Designing Sites in Heterogeneous Catalysis: Are We Reaching Selectivities Competitive With Those of Homogeneous Catalysts? Chem Rev 2022; 122:8594-8757. [PMID: 35240777 DOI: 10.1021/acs.chemrev.1c00905] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A critical review of different prominent nanotechnologies adapted to catalysis is provided, with focus on how they contribute to the improvement of selectivity in heterogeneous catalysis. Ways to modify catalytic sites range from the use of the reversible or irreversible adsorption of molecular modifiers to the immobilization or tethering of homogeneous catalysts and the development of well-defined catalytic sites on solid surfaces. The latter covers methods for the dispersion of single-atom sites within solid supports as well as the use of complex nanostructures, and it includes the post-modification of materials via processes such as silylation and atomic layer deposition. All these methodologies exhibit both advantages and limitations, but all offer new avenues for the design of catalysts for specific applications. Because of the high cost of most nanotechnologies and the fact that the resulting materials may exhibit limited thermal or chemical stability, they may be best aimed at improving the selective synthesis of high value-added chemicals, to be incorporated in organic synthesis schemes, but other applications are being explored as well to address problems in energy production, for instance, and to design greener chemical processes. The details of each of these approaches are discussed, and representative examples are provided. We conclude with some general remarks on the future of this field.
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Affiliation(s)
- Francisco Zaera
- Department of Chemistry and UCR Center for Catalysis, University of California, Riverside, California 92521, United States
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Li A, Cheng C, Qi W, Pan X, Xu X, Wang X, Wu C, Chu J, He B. Combing multiple site-directed mutagenesis of penicillin G acylase from Achromobacter xylosoxidans PX02 with improved catalytic properties for cefamandole synthesis. Int J Biol Macromol 2021; 175:322-329. [PMID: 33549660 DOI: 10.1016/j.ijbiomac.2021.01.194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/28/2021] [Accepted: 01/28/2021] [Indexed: 11/26/2022]
Abstract
Penicillin G acylase (PGA) was an important biocatalyst for enzymatic production of second-generation cephalosporin. PGA from Achromobacter xylosoxidans PX02 (AxPGA) showed relatively lower identity to EcPGA (54.9% in α subunit and 51.7% in β subunit), which could synthesize cefamandole in the kinetically controlled N-acylation (kcNa). Semi-rational design of AxPGA and "small and smart" mutant libraries were developed with minimal screening to improve cefamandole production. A triple mutant αR141A/αF142I/βF24G by combining the mutational sites (βF24, αR141, and αF142) from different subunits of AxPGA showed better performance in cefamandole production, with 4.2-fold of improvement in the (kcat/Km)AD value for activated acyl donor (R)-Methyl mandelate. Meanwhile, the (kcat/Km)Ps value for cefamandole by mutant αR141A/αF142I/βF24G was sharply dropped by 25.5 times, indicating its highly synthetic activity and extremely low hydrolysis of cefamandole. Strikingly, the triple mutant αR141A/αF142I/βF24G could form cefamandole with a yield of 85% at an economical substrate ratio (acyl donor/nucleophile) of 1.3:1 (82% at 1.1:1), which advanced the greener and more sustainable process of cefamandole production than the wild type. Furtherly, the improved synthetic ability and lower hydrolysis of cefamandole by mutant were rationalized using molecular docking.
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Affiliation(s)
- Anni Li
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China; College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Cheng Cheng
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Weimin Qi
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Xin Pan
- Department of Cardiology, Department of Central Laboratory, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou 225000, China
| | - Xuanping Xu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Xinyu Wang
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Chunying Wu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China
| | - Jianlin Chu
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
| | - Bingfang He
- School of Pharmaceutical Sciences, Nanjing Tech University, Nanjing, Jiangsu 211816, China.
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Efficient synthesis of β-lactam antibiotics with in situ product removal by a newly isolated penicillin G acylase. Bioorg Chem 2020; 99:103765. [DOI: 10.1016/j.bioorg.2020.103765] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 03/13/2020] [Accepted: 03/14/2020] [Indexed: 12/17/2022]
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Marsden SR, Mestrom L, McMillan DGG, Hanefeld U. Thermodynamically and Kinetically Controlled Reactions in Biocatalysis – from Concepts to Perspectives. ChemCatChem 2019. [DOI: 10.1002/cctc.201901589] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Stefan R. Marsden
- Biokatalyse, Afdeling BiotechnologieTechnische Universiteit Delft Van der Maasweg 9 Delft 2629HZ The Netherlands
| | - Luuk Mestrom
- Biokatalyse, Afdeling BiotechnologieTechnische Universiteit Delft Van der Maasweg 9 Delft 2629HZ The Netherlands
| | - Duncan G. G. McMillan
- Biokatalyse, Afdeling BiotechnologieTechnische Universiteit Delft Van der Maasweg 9 Delft 2629HZ The Netherlands
| | - Ulf Hanefeld
- Biokatalyse, Afdeling BiotechnologieTechnische Universiteit Delft Van der Maasweg 9 Delft 2629HZ The Netherlands
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Efficient synthesis of β-lactam antibiotics with very low product hydrolysis by a mutant Providencia rettgeri penicillin G acylase. Appl Microbiol Biotechnol 2018; 102:1749-1758. [PMID: 29306966 DOI: 10.1007/s00253-017-8692-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 11/30/2017] [Accepted: 12/02/2017] [Indexed: 10/18/2022]
Abstract
Penicillin G acylase (PGA) was isolated from Providencia rettgeri PX04 (PrPGApx04) and utilized for the kinetically controlled synthesis of β-lactam antibiotics. Site-directed mutagenesis was performed to increase the process efficiency. Molecular docking was carried out to speculate the key mutant positions corresponding with synthetic activity, which resulted in the achievement of an efficient mutant, βF24G. It yielded higher conversions than the wild-type enzyme in the synthesis of amoxicillin (95 versus 17.2%) and cefadroxil (95.4 versus 43.2%). The reaction time for achieving the maximum conversion decreased from 14 to 16 h to 2-2.5 h. Furthermore, the secondary hydrolysis of produced antibiotics was hardly observed. Kinetic analysis showed that the (kcat/Km)AD value for the activated acyl donor D-hydroxyphenylglycine methyl ester (D-HPGME) increased up to 41 times. In contrast, the (kcat/Km)Ps values for the products amoxicillin and cefadroxil decreased 6.5 and 21 times, respectively. Consequently, the α value (kcat/Km)Ps/(kcat/Km)AD, which reflected the relative hydrolytic specificity of PGA for produced antibiotics with respect to the activated acyl donor, were only 0.028 and 0.043, respectively. The extremely low hydrolytic activity for the products of the βF24G mutant enabled greater product accumulation to occur during synthesis, which made it a promising enzyme for industrial applications.
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Pan H, Yang T, Chen J, Cao X. Biosynthesis of cefprozil in an aqueous two-phase system composed of pH-responsive copolymers and its crystallization analysis. Process Biochem 2018. [DOI: 10.1016/j.procbio.2017.09.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Hirata DB, Albuquerque TL, Rueda N, Virgen-Ortíz JJ, Tacias-Pascacio VG, Fernandez-Lafuente R. Evaluation of different immobilized lipases in transesterification reactions using tributyrin: Advantages of the heterofunctional octyl agarose beads. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcatb.2016.08.008] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Deng S, Ma X, Su E, Wei D. Efficient cascade synthesis of ampicillin from penicillin G potassium salt using wild and mutant penicillin G acylase from Alcaligenes faecalis. J Biotechnol 2016; 219:142-8. [DOI: 10.1016/j.jbiotec.2015.12.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Revised: 11/24/2015] [Accepted: 12/21/2015] [Indexed: 10/22/2022]
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Barbosa O, Ortiz C, Berenguer-Murcia Á, Torres R, Rodrigues RC, Fernandez-Lafuente R. Strategies for the one-step immobilization–purification of enzymes as industrial biocatalysts. Biotechnol Adv 2015; 33:435-56. [DOI: 10.1016/j.biotechadv.2015.03.006] [Citation(s) in RCA: 481] [Impact Index Per Article: 53.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 03/03/2015] [Accepted: 03/04/2015] [Indexed: 01/06/2023]
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Current state and perspectives of penicillin G acylase-based biocatalyses. Appl Microbiol Biotechnol 2014; 98:2867-79. [DOI: 10.1007/s00253-013-5492-7] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Revised: 12/20/2013] [Accepted: 12/22/2013] [Indexed: 10/25/2022]
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