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Zhou L, Ouyang Y, Kong W, Ma T, Zhao H, Jiang Y, Gao J, Ma L. One pot purification and co-immobilization of His-tagged old yellow enzyme and glucose dehydrogenase for asymmetric hydrogenation. Enzyme Microb Technol 2022; 156:110001. [DOI: 10.1016/j.enzmictec.2022.110001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 01/20/2022] [Accepted: 01/30/2022] [Indexed: 11/27/2022]
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Wei B, Xu H, Cheng L, Yuan Q, Liu C, Gao H, Liang H. Highly Selective Entrapment of His-Tagged Enzymes on Superparamagnetic Zirconium-Based MOFs with Robust Renewability to Enhance pH and Thermal Stability. ACS Biomater Sci Eng 2021; 7:3727-3736. [PMID: 34291917 DOI: 10.1021/acsbiomaterials.1c00780] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Metal-organic frameworks (MOFs), as a kind of poriferous nanoparticle, are promising candidates for enzyme immobilization to enhance their stability and reusability. However, most MOFs could not specifically immobilize enzymes and regenerate easily, which inevitably leads to serious high consumption and environmental pollution. In this study, renewable and magnetic MOFs were first constructed to specially immobilize His-tagged enzymes from the cell lysates without purification. The immobilized β-glucuronidase exhibited wider pH adaptability and temperature stability. The relative activity of immobilized β-glucuronidase was still maintained at ∼80% after eight cycles. Importantly, after simple treatment, the immobilization capacity of regenerated MOFs after simple treatment was restored to more than 90% in the first three times. The specific magnetic MOFs were proven to be an efficient and renewable platform for one-step immobilization and purification of His-tagged enzymes, showing great potential in industrial applications of nanotechnology and biocatalysis.
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Affiliation(s)
- Bin Wei
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China.,College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Haichang Xu
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China.,College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Leiyu Cheng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China.,College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Qipeng Yuan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China.,College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Changxia Liu
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Huiling Gao
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
| | - Hao Liang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China.,College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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