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Tang S, Tao J, Li Y. Challenges and solutions for the downstream purification of therapeutic proteins. Antib Ther 2024; 7:1-12. [PMID: 38235378 PMCID: PMC10791043 DOI: 10.1093/abt/tbad028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 10/27/2023] [Accepted: 11/15/2023] [Indexed: 01/19/2024] Open
Abstract
The innovation in recombinant protein technology has brought forth a host of challenges related to the purification of these therapeutic proteins. This article delves into the intricate landscape of developing purification processes for artificially designed therapeutic proteins. The key hurdles include controlling protein reduction, protein capture, ensuring stability, eliminating aggregates, removing host cell proteins and optimizing protein recovery. In this review, we outline the purification strategies in order to obtain products of high purity, highlighting the corresponding solutions to circumvent the unique challenges presented by recombinant therapeutic proteins, and exemplify the practical applications by case studies. Finally, a perspective towards future purification process development is provided.
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Affiliation(s)
- Shuo Tang
- GenScript ProBio Biotechnology Co., Ltd, Nanjing, Jiangsu 21100, P.R. China
| | - Jiaoli Tao
- GenScript ProBio Biotechnology Co., Ltd, Nanjing, Jiangsu 21100, P.R. China
| | - Ying Li
- GenScript ProBio Biotechnology Co., Ltd, Nanjing, Jiangsu 21100, P.R. China
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2
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Kheirollahi A, Sadeghi S, Orandi S, Moayedi K, Khajeh K, Khoobi M, Golestani A. Chondroitinase as a therapeutic enzyme: Prospects and challenges. Enzyme Microb Technol 2024; 172:110348. [PMID: 37898093 DOI: 10.1016/j.enzmictec.2023.110348] [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: 05/22/2023] [Revised: 09/28/2023] [Accepted: 10/19/2023] [Indexed: 10/30/2023]
Abstract
The chondroitinases (Chase) are bacterial lyases that specifically digest chondroitin sulfate and/or dermatan sulfate glycosaminoglycans via a β-elimination reaction and generate unsaturated disaccharides. In recent decades, these enzymes have attracted the attention of many researchers due to their potential applications in various aspects of medicine from the treatment of spinal cord injury to use as an analytical tool. In spite of this diverse spectrum, the application of Chase is faced with several limitations and challenges such as thermal instability and lack of a suitable delivery system. In the current review, we address potential therapeutic applications of Chase with emphasis on the challenges ahead. Then, we summarize the latest achievements to overcome the problems by considering the studies carried out in the field of enzyme engineering, drug delivery, and combination-based therapy.
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Affiliation(s)
- Asma Kheirollahi
- Department of Comparative Biosciences, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
| | - Solmaz Sadeghi
- Department of Medical Biotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Shirin Orandi
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Kiana Moayedi
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Khosro Khajeh
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran 14115-154, Iran
| | - Mehdi Khoobi
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Department of Pharmaceutical Biomaterials and Medical Biomaterials Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Abolfazl Golestani
- Department of Clinical Biochemistry, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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3
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Sardiña-Peña AJ, Ballinas-Casarrubias L, Siqueiros-Cendón TS, Espinoza-Sánchez EA, Flores-Holguín NR, Iglesias-Figueroa BF, Rascón-Cruz Q. Thermostability improvement of sucrose isomerase PalI NX-5: a comprehensive strategy. Biotechnol Lett 2023:10.1007/s10529-023-03388-6. [PMID: 37199887 DOI: 10.1007/s10529-023-03388-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 03/29/2023] [Accepted: 04/27/2023] [Indexed: 05/19/2023]
Abstract
OBJECTIVE To increase the thermal stability of sucrose isomerase from Erwinia rhapontici NX-5, we designed a comprehensive strategy that combines different thermostabilizing elements. RESULTS We identified 19 high B value amino acid residues for site-directed mutagenesis. An in silico evaluation of the influence of post-translational modifications on the thermostability was also carried out. The sucrose isomerase variants were expressed in Pichia pastoris X33. Thus, for the first time, we report the expression and characterization of glycosylated sucrose isomerases. The designed mutants K174Q, L202E and K174Q/L202E, showed an increase in their optimal temperature of 5 °C, while their half-lives increased 2.21, 1.73 and 2.89 times, respectively. The mutants showed an increase in activity of 20.3% up to 25.3%. The Km values for the K174Q, L202E, and K174Q/L202E mutants decreased by 5.1%, 7.9%, and 9.4%, respectively; furthermore, the catalytic efficiency increased by up to 16%. CONCLUSIONS With the comprehensive strategy followed, we successfully obtain engineered mutants more suitable for industrial applications than their counterparts: native (this research) and wild-type from E. rhapontici NX-5, without compromising the catalytic activity of the molecule.
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Affiliation(s)
- A J Sardiña-Peña
- Laboratorio de Biotecnología I, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitarios s/n Nuevo Campus Universitario, C. P. 31125, Chihuahua, México
| | - L Ballinas-Casarrubias
- Laboratorio de Química Analítica III, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitarios s/n Nuevo Campus Universitario, C. P. 31125, Chihuahua, México
| | - T S Siqueiros-Cendón
- Laboratorio de Biotecnología I, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitarios s/n Nuevo Campus Universitario, C. P. 31125, Chihuahua, México
| | - E A Espinoza-Sánchez
- Laboratorio de Biotecnología I, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitarios s/n Nuevo Campus Universitario, C. P. 31125, Chihuahua, México
| | - N R Flores-Holguín
- Laboratorio Virtual NANOCOSMOS, Departamento de Medio Ambiente y Energía, Centro de Investigación en Materiales Avanzados, Chihuahua, México
| | - B F Iglesias-Figueroa
- Laboratorio de Biotecnología I, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitarios s/n Nuevo Campus Universitario, C. P. 31125, Chihuahua, México
| | - Q Rascón-Cruz
- Laboratorio de Biotecnología I, Facultad de Ciencias Químicas, Universidad Autónoma de Chihuahua, Circuito Universitarios s/n Nuevo Campus Universitario, C. P. 31125, Chihuahua, México.
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4
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Jung F, Frey K, Zimmer D, Mühlhaus T. DeepSTABp: A Deep Learning Approach for the Prediction of Thermal Protein Stability. Int J Mol Sci 2023; 24:ijms24087444. [PMID: 37108605 PMCID: PMC10138888 DOI: 10.3390/ijms24087444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/04/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
Proteins are essential macromolecules that carry out a plethora of biological functions. The thermal stability of proteins is an important property that affects their function and determines their suitability for various applications. However, current experimental approaches, primarily thermal proteome profiling, are expensive, labor-intensive, and have limited proteome and species coverage. To close the gap between available experimental data and sequence information, a novel protein thermal stability predictor called DeepSTABp has been developed. DeepSTABp uses a transformer-based protein language model for sequence embedding and state-of-the-art feature extraction in combination with other deep learning techniques for end-to-end protein melting temperature prediction. DeepSTABp can predict the thermal stability of a wide range of proteins, making it a powerful and efficient tool for large-scale prediction. The model captures the structural and biological properties that impact protein stability, and it allows for the identification of the structural features that contribute to protein stability. DeepSTABp is available to the public via a user-friendly web interface, making it accessible to researchers in various fields.
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Affiliation(s)
- Felix Jung
- Computational Systems Biology, RPTU University of Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Kevin Frey
- Computational Systems Biology, RPTU University of Kaiserslautern, 67663 Kaiserslautern, Germany
| | - David Zimmer
- Computational Systems Biology, RPTU University of Kaiserslautern, 67663 Kaiserslautern, Germany
| | - Timo Mühlhaus
- Computational Systems Biology, RPTU University of Kaiserslautern, 67663 Kaiserslautern, Germany
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5
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Dowd A. Elucidating Cellular Metabolism and Protein Difference Data from DIGE Proteomics Experiments Using Enzyme Assays. Methods Mol Biol 2023; 2596:399-419. [PMID: 36378453 DOI: 10.1007/978-1-0716-2831-7_27] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Assays for measuring enzyme activity can be useful tools for proteomics applications. Enzyme testing can be performed to validate an experimental system prior to a difference gel electrophoresis (DIGE) proteomic experiment and can also be utilized as an integral part of multifaceted experiment in conjunction with DIGE. Data from enzyme tests can be used to corroborate results of DIGE proteomic experiments where an enzyme or enzymes are demonstrated by DIGE to be differentially expressed. Enzyme testing can also be utilized to support data from DIGE experiments that demonstrate metabolic changes in a biological system. The different types of enzyme assays that can be performed in conjunction with DIGE experiments are reviewed alongside a discussion of experimental approaches for designing enzyme assays.
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Affiliation(s)
- Andrew Dowd
- Croda Europe Limited, Daresbury, Cheshire, UK.
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6
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Colangelo GS, Di Ianni A, Cowan K, Riccardi Sirtori F, Barbero LM. Development of a Liquid Chromatography and High-Resolution and -Accuracy Mass Spectrometry Method to Evaluate New Biotherapeutic Entity Processing in Human Liver Lysosomes. Immunohorizons 2022; 7:467-479. [PMID: 37327020 PMCID: PMC10580112 DOI: 10.4049/immunohorizons.2300035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 05/23/2023] [Indexed: 06/17/2023] Open
Abstract
Biotherapeutic immunogenicity remains a great challenge for researchers because multiple factors trigger immune responses. Predicting and assessing the potential human immune response against biological drugs could represent an impressive breakthrough toward generating potentially safer and more efficacious therapeutic proteins. This article describes an in vitro assay that can contribute to evaluating the potential immunogenicity of biotherapeutics by focusing on lysosomal proteolysis. We selected human liver lysosomes (hLLs) from four different donors as a surrogate in vitro model instead of APC lysosomes because they are a ready-to-use lysosomal source. To assess the biological comparability of this surrogate to APC lysosomal extract, we compared the proteome content of hLLs with literature data of lysosomal fractions extracted from murine bone marrow and human blood-derived dendritic cells. Then we tested infliximab (IFX; Remicade) under different proteolytic conditions using liquid chromatography and high-resolution and -accuracy mass spectrometry to better define the degradation kinetics inside the lysosomes. hLLs revealed similar enzymatic content compared with human and murine dendritic cell lysosomes. Degradation assays demonstrated that our liquid chromatography and high-resolution and -accuracy mass spectrometry method could identify both the intact protein and the peptides resulting from proteolysis with high specificity and resolution. The rapid and easy assay described in this article can be extremely useful for evaluating the immunogenic risk associated with therapeutic proteins. In addition, this method can complement information from MHC class II-associated peptide proteomics assays and other in vitro and in silico techniques.
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Affiliation(s)
- Gabriele Sergio Colangelo
- University of Turin, Molecular Biotechnology Center, Turin, Italy
- NBE-DMPK Innovative BioAnalytics, RBM Merck S.p.A., an affiliate of Merck KGaA, Darmstadt, Germany, Colleretto Giacosa, Torino, Italy
| | - Andrea Di Ianni
- University of Turin, Molecular Biotechnology Center, Turin, Italy
- NBE-DMPK Innovative BioAnalytics, RBM Merck S.p.A., an affiliate of Merck KGaA, Darmstadt, Germany, Colleretto Giacosa, Torino, Italy
| | - Kyra Cowan
- New Biological Entities, Drug Metabolism and Pharmacokinetics, Research and Development, Merck KGaA, Darmstadt, Germany
| | - Federico Riccardi Sirtori
- NBE-DMPK Innovative BioAnalytics, RBM Merck S.p.A., an affiliate of Merck KGaA, Darmstadt, Germany, Colleretto Giacosa, Torino, Italy
| | - Luca Maria Barbero
- NBE-DMPK Innovative BioAnalytics, RBM Merck S.p.A., an affiliate of Merck KGaA, Darmstadt, Germany, Colleretto Giacosa, Torino, Italy
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7
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Momeni L, Farhadian S, Shareghi B. Study on the interaction of ethylene glycol with trypsin: Binding ability, activity, and stability. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118542] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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8
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Ou X, Lao Y, Xu J, Wutthinitikornkit Y, Shi R, Chen X, Li J. ATP Can Efficiently Stabilize Protein through a Unique Mechanism. JACS AU 2021; 1:1766-1777. [PMID: 34723279 PMCID: PMC8549052 DOI: 10.1021/jacsau.1c00316] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Indexed: 06/13/2023]
Abstract
Recent experiments suggested that ATP can effectively stabilize protein structure and inhibit protein aggregation when its concentration is less than 10 mM, which is significantly lower than cosolvent concentrations required in conventional mechanisms. The ultrahigh efficiency of ATP suggests a unique mechanism that is fundamentally different from previous models of cosolvents. In this work, we used molecular dynamics simulation and experiments to study the interactions of ATPs with three proteins: lysozyme, ubiquitin, and malate dehydrogenase. ATP tends to bind to the surface regions with high flexibility and high degree of hydration. These regions are also vulnerable to thermal perturbations. The bound ATPs further assemble into ATP clusters mediated by Mg2+ and Na+ ions. More interestingly, in Mg2+-free ATP solution, Na+ at higher concentration (150 mM under physiological conditions) can similarly mediate the formation of the ATP cluster on protein. The ATP cluster can effectively reduce the fluctuations of the vulnerable region and thus stabilize the protein against thermal perturbations. Both ATP binding and the considerable improvement of thermal stability of ATP-bound protein were verified by experiments.
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Affiliation(s)
- Xinwen Ou
- Zhejiang
Province Key Laboratory of Quantum Technology and Device, Department
of Physics, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
| | - Yichong Lao
- Zhejiang
Province Key Laboratory of Quantum Technology and Device, Department
of Physics, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
| | - Jingjie Xu
- Eye
Center of the Second Affiliated Hospital, Institute of Translational
Medicine, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Yanee Wutthinitikornkit
- Zhejiang
Province Key Laboratory of Quantum Technology and Device, Department
of Physics, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
| | - Rui Shi
- Zhejiang
Province Key Laboratory of Quantum Technology and Device, Department
of Physics, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
| | - Xiangjun Chen
- Eye
Center of the Second Affiliated Hospital, Institute of Translational
Medicine, School of Medicine, Zhejiang University, Hangzhou 310009, China
| | - Jingyuan Li
- Zhejiang
Province Key Laboratory of Quantum Technology and Device, Department
of Physics, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
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9
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Shibuya R, Miyafusa T, Imamura H, Ooishi A, Honda S. Effect of backbone circularization on colloidal stability: Compaction of unfolded structures improves aggregation resistance of granulocyte colony-stimulating factor. Int J Pharm 2021; 605:120774. [PMID: 34116181 DOI: 10.1016/j.ijpharm.2021.120774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 05/29/2021] [Accepted: 06/02/2021] [Indexed: 10/21/2022]
Abstract
Aggregation of protein therapeutics can lead to immunogenicity and loss of function in vivo. Its effective prevention requires an understanding of the conformational and colloidal stability of protein and the improvement of both. Granulocyte colony-stimulating factor (G-CSF), which is one of the most widely used protein therapeutics, was previously shown to be conformationally stabilized by connecting its N- and C-termini with amide bonds (backbone circularization). In this study, we investigated whether circularization affects the colloidal stability of proteins. Colloidal stability was indirectly assessed by analyzing the aggregation behavior of G-CSF variants using analytical ultracentrifugation (AUC) and small-angle X-ray scattering (SAXS). Consequently, we found that the unfolded structure of circularized G-CSF was more compact than non-circularized G-CSF, and that backbone circularization improved its aggregation resistance against chemical denaturation by guanidine hydrochloride (GdnHCl). The improved aggregation resistance suggests that the expansion tolerance of circularized G-CSF in the unfolded state increased its colloidal stability. Thus, backbone circularization is an excellent method for enhancing the colloidal and the conformational stability of protein with minimal sequence changes. It is therefore expected to be effective in extending the storage stability of protein therapeutics, enhancing their biological stability.
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Affiliation(s)
- Risa Shibuya
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan; Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562, Japan
| | - Takamitsu Miyafusa
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan; Bioproduction Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1, Higashi, Tsukuba, Ibaraki 305-8566, Japan
| | - Hiroshi Imamura
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan; Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga 525-8577, Japan
| | - Ayako Ooishi
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan
| | - Shinya Honda
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan; Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8562, Japan.
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10
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Wätzig H, Hoffstedt M, Krebs F, Minkner R, Scheller C, Zagst H. Protein analysis and stability: Overcoming trial-and-error by grouping according to physicochemical properties. J Chromatogr A 2021; 1649:462234. [PMID: 34038775 DOI: 10.1016/j.chroma.2021.462234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 04/27/2021] [Accepted: 04/28/2021] [Indexed: 12/15/2022]
Abstract
Today proteins are possibly the most important class of substances. Yet new tasks for proteins are still often solved by trial-and-error approaches. However, in some areas these euphemistically called "screening approaches" are not suitable. E.g. stability tests just take too long and therefore require a more strategic, target-orientated concept. This concept is available by grouping proteins according to their physicochemical properties and then pulling out the right drawer for new tasks. These properties include size, then charge and hydrophobicity as well as their patchinesses, and the degree of order. In addition, solubility, the content of (free) enthalpy, aromatic-amino-acid- and α/β-frequency as well as helix capping, and corresponding patchiness, the number of specific motifs and domains as well as the typical concentration range can be helpful to discriminate between different groups of proteins. Analyzing correlations will reduce the necessary amount of parameters and additional ones, which may be still undiscovered at the present time, can be identified looking at protein subgroups with similar physicochemical properties which still behave heterogeneously. Step-by-step the methodology will be improved. Possibly protein stability will be the driver of this process, but all other areas such as production, purification and analytics including sample pre-treatment and the choice of appropriate separation conditions for e.g. chromatography and electrophoresis will profit from a rational strategy.
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Affiliation(s)
- Hermann Wätzig
- Technische Universität Braunschweig, Institute of Medicinal and Pharmaceutical Chemistry, Beethovenstraße 55, Braunschweig 38106, Germany.
| | - Marc Hoffstedt
- Technische Universität Braunschweig, Institute of Medicinal and Pharmaceutical Chemistry, Beethovenstraße 55, Braunschweig 38106, Germany
| | - Finja Krebs
- Technische Universität Braunschweig, Institute of Medicinal and Pharmaceutical Chemistry, Beethovenstraße 55, Braunschweig 38106, Germany
| | - Robert Minkner
- Technische Universität Braunschweig, Institute of Medicinal and Pharmaceutical Chemistry, Beethovenstraße 55, Braunschweig 38106, Germany
| | - Christin Scheller
- Technische Universität Braunschweig, Institute of Medicinal and Pharmaceutical Chemistry, Beethovenstraße 55, Braunschweig 38106, Germany
| | - Holger Zagst
- Technische Universität Braunschweig, Institute of Medicinal and Pharmaceutical Chemistry, Beethovenstraße 55, Braunschweig 38106, Germany
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Abstract
The present study demonstrates a simple approach to enhancing thermal stability of butyrylcholinesterase (BChE) by using natural polymers. Analysis of thermal inactivation of the tetrameric BChE in starch and gelatin gels at 50–64 °C showed that thermal inactivation followed second-order kinetics and involved two alternating processes of BChE inactivation, which occurred at different rates (fast and slow processes). The activation enthalpy ΔH# and the activation entropy ΔS# for BChE in starch and gelatin gels were evaluated. The values of ΔH# for the fast and the slow thermal inactivation of BChE in starch gel were 61 ± 3, and 22 ± 2 kcal/mol, respectively, and the values of ΔS# were 136 ± 12 and −2.03 ± 0.05 cal∙K−1∙mol−1, respectively. Likewise, the values of ΔH# for BChE in gelatin gel were 58 ± 6 and 109 ± 11 kcal/mol, and the values of ΔS# were 149 ± 16 and 262 ± 21 cal∙K−1∙mol−1, respectively. The values of the activation parameters obtained in this study suggest that starch gel produced a stronger stabilizing effect on BChE exposed to elevated temperatures over long periods compared with gelatin gel.
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12
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Janská P, Knejzlík Z, Perumal AS, Jurok R, Tokárová V, Nicolau DV, Štěpánek F, Kašpar O. Effect of physicochemical parameters on the stability and activity of garlic alliinase and its use for in-situ allicin synthesis. PLoS One 2021; 16:e0248878. [PMID: 33740023 PMCID: PMC7978267 DOI: 10.1371/journal.pone.0248878] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 02/09/2021] [Indexed: 11/18/2022] Open
Abstract
Garlic is a well-known example of natural self-defence system consisting of an inactive substrate (alliin) and enzyme (alliinase) which, when combined, produce highly antimicrobial allicin. Increase of alliinase stability and its activity are of paramount importance in various applications relying on its use for in-situ synthesis of allicin or its analogues, e.g., pulmonary drug delivery, treatment of superficial injuries, or urease inhibitors in fertilizers. Here, we discuss the effect of temperature, pH, buffers, salts, and additives, i.e. antioxidants, chelating agents, reducing agents and cosolvents, on the stability and the activity of alliinase extracted from garlic. The effects of the storage temperature and relative humidity on the stability of lyophilized alliinase was demonstrated. A combination of the short half-life, high reactivity and non-specificity to particular proteins are reasons most bacteria cannot deal with allicin's mode of action and develop effective defence mechanism, which could be the key to sustainable drug design addressing serious problems with escalating emergence of multidrug-resistant (MDR) bacterial strains.
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Affiliation(s)
- Petra Janská
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Prague, Czech Republic
| | - Zdeněk Knejzlík
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Prague, Czech Republic
- Institute of Organic Chemistry and Biochemistry of the Czech Academy of Sciences, Prague, Czech Republic
| | | | - Radek Jurok
- Department of Organic Chemistry, University of Chemistry and Technology Prague, Prague, Czech Republic
| | - Viola Tokárová
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Prague, Czech Republic
| | - Dan V. Nicolau
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada
| | - František Štěpánek
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Prague, Czech Republic
| | - Ondřej Kašpar
- Department of Chemical Engineering, University of Chemistry and Technology Prague, Prague, Czech Republic
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13
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Xu S, Gu M, Wu K, Li G. Unraveling the interaction mechanism between collagen and alcohols with different chain lengths and hydroxyl positions. Colloids Surf B Biointerfaces 2021; 199:111559. [PMID: 33429285 DOI: 10.1016/j.colsurfb.2021.111559] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 12/20/2020] [Accepted: 01/03/2021] [Indexed: 01/19/2023]
Abstract
The present study systematically investigated the effects of alcohols, including methanol, ethanol, n-butanol, and propanol with different hydroxyl group numbers and locations on the thermal stability and molecular aggregation behavior of collagen. The results of ultra-sensitive differential scanning calorimetry (US-DSC), dynamic light scattering (DLS) and intrinsic fluorescence showed that with the increase of carbon chain length, alcohols can denature collagen, accompanied by transition in triple helical structure, promoted aggregation behavior, and altered molecular interactions. However, with the number of hydroxyl groups in alcohol molecules increased, the thermal stability of collagen increased and the molecules tended to disperse. Furthermore, radial distribution function (RDF) results showed that alcohols can change the structure of the hydration layer around collagen, thus altering the aggregation morphology of collagen molecules in solution. The results of the interaction between components in different alcohol systems demonstrated that with the decrease of alcohol polarity, bridge bond networks were formed between collagen molecules. Specifically, it was found that because the hydroxyl groups in 1,3-propanediol are located at both ends of the carbon chain, the reticular bridge bond structure formed between the collagen molecules changed into chain-like bridge structure. The bridge bonds between collagen molecules were considered to be weak cross-linking, which was an important reason for the destruction of collagen structure. In this study, the mechanism of interaction between different alcohols and collagen was elucidated, which will be helpful for further development of complex alcohol and collagen products.
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Affiliation(s)
- Songcheng Xu
- Key Laboratory of Leather Chemistry and Engineering (Ministry of Education), Sichuan University, Chengdu 610065, PR China
| | - Min Gu
- National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, PR China
| | - Kun Wu
- School of Materials and Environmental Protection, Chengdu Textile College, Chengdu 610065, PR China.
| | - Guoying Li
- Key Laboratory of Leather Chemistry and Engineering (Ministry of Education), Sichuan University, Chengdu 610065, PR China; National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, PR China.
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14
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Insight into solute-solute and solute-solvent interactions of l-proline in aqueous-D-xylose/L-arabinose solutions by using physicochemical methods at temperatures from 293.15 to 318.15 K. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114190] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Affiliation(s)
- Soumen Das
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30306, United States
| | - Liangjun Zhao
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30306, United States
| | - Kristen Elofson
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30306, United States
| | - M.G. Finn
- School of Chemistry and Biochemistry, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30306, United States
- School of Biological Sciences, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30306, United States
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16
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Seo DH, Yoo SH, Choi SJ, Kim YR, Park CS. Versatile biotechnological applications of amylosucrase, a novel glucosyltransferase. Food Sci Biotechnol 2020; 29:1-16. [PMID: 31976122 PMCID: PMC6949346 DOI: 10.1007/s10068-019-00686-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/05/2019] [Accepted: 09/16/2019] [Indexed: 12/21/2022] Open
Abstract
Amylosucrase (AS; EC 2.4.1.4) is an enzyme that has great potential in the biotechnology and food industries, due to its multifunctional enzyme activities. It can synthesize α-1,4-glucans, like amylose, from sucrose as a sole substrate, but importantly, it can also utilize various other molecules as acceptors. In addition, AS produces sucrose isomers such as turanose and trehalulose. It also efficiently synthesizes modified starch with increased ratios of slow digestive starch and resistant starch, and glucosylated functional compounds with increased water solubility and stability. Furthermore, AS produces turnaose more efficiently than other carbohydrate-active enzymes. Amylose synthesized by AS forms microparticles and these can be utilized as biocompatible materials with various bio-applications, including drug delivery, chromatography, and bioanalytical sciences. This review not only compares the gene and enzyme characteristics of microbial AS, studied to date, but also focuses on the applications of AS in the biotechnology and food industries.
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Affiliation(s)
- Dong-Ho Seo
- Department of Food Science and Technology, College of Agriculture and Life Sciences, Jeonbuk National University, Jeonju, 54896 Republic of Korea
| | - Sang-Ho Yoo
- Department of Food Science and Biotechnology, and Carbohydrate Bioproduct Research Center, Sejong University, Seoul, 05006 Republic of Korea
| | - Seung-Jun Choi
- Department of Food Science and Technology, Seoul National University of Science and Technology, Seoul, 01811 Republic of Korea
| | - Young-Rok Kim
- Graduate School of Biotechnology and Institute of Life Science and Resources, Kyung Hee University, Yongin, 17104 Republic of Korea
| | - Cheon-Seok Park
- Graduate School of Biotechnology and Institute of Life Science and Resources, Kyung Hee University, Yongin, 17104 Republic of Korea
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17
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Reyes-De-Corcuera JI, Olstad HE, García-Torres R. Stability and Stabilization of Enzyme Biosensors: The Key to Successful Application and Commercialization. Annu Rev Food Sci Technol 2019; 9:293-322. [PMID: 29580138 DOI: 10.1146/annurev-food-030216-025713] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Fifty-five years have passed and more than 100,000 articles have been published since the first report of an electrochemical enzyme biosensor. However, very few biosensors have reached practical application and commercialization. The bulk of the research effort has been on increasing sensitivity and selectivity. In contrast, the number of publications dealing with stability or stabilization of enzyme biosensors is very small. Here, we critically review enzyme stabilization strategies as well as the progress that has been done in the past 20 years with respect to enzyme biosensor stabilization. Glucose oxidase, lactate oxidase, alcohol oxidase, and xanthine oxidase are the focus of this review because of their potential applications in food. The inconsistency in reporting biosensor stability was identified as a critical hurdle to research progress in this area. Fundamental questions that remain unanswered are outlined.
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Affiliation(s)
| | - Hanna E Olstad
- Department of Food Science and Technology, University of Georgia, Athens, Georgia 30602, USA;
| | - Rosalía García-Torres
- Department of Family & Consumer Sciences, California State University, Northridge, California 91330, USA
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18
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Knierbein M, Wangler A, Luong TQ, Winter R, Held C, Sadowski G. Combined co-solvent and pressure effect on kinetics of a peptide hydrolysis: an activity-based approach. Phys Chem Chem Phys 2019; 21:22224-22229. [PMID: 31576857 DOI: 10.1039/c9cp03868j] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The application of co-solvents and high pressure has been reported to be an efficient means to tune the kinetics of enzyme-catalyzed reactions. Co-solvents and pressure can lead to increased reaction rates without sacrificing enzyme stability, while temperature and pH operation windows are generally very narrow. Quantitative prediction of co-solvent and pressure effects on enzymatic reactions has not been successfully addressed in the literature. Herein, we are introducing a thermodynamic approach that is based on molecular interactions in the form of activity coefficients of substrate and of enzyme in the multi-component solution. This allowed us to quantitatively predict the combined effect of co-solvent and pressure on the kinetic constants, i.e. the Michaelis constant KM and the catalytic constant kcat, of an α-CT-catalyzed peptide hydrolysis reaction. The reaction was studied in the presence of different types of co-solvents and at pressures up to 2 kbar, and quantitative predictions could be obtained for KM, kcat, and finally even primary Michaelis-Menten plots using activity coefficients provided by the thermodynamic model PC-SAFT.
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Affiliation(s)
- Michael Knierbein
- Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, 44227 Dortmund, Germany.
| | - Anton Wangler
- Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, 44227 Dortmund, Germany.
| | - Trung Quan Luong
- Physical Chemistry I, TU Dortmund University, Otto-Hahn-Str. 4a, 44227 Dortmund, Germany
| | - Roland Winter
- Physical Chemistry I, TU Dortmund University, Otto-Hahn-Str. 4a, 44227 Dortmund, Germany
| | - Christoph Held
- Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, 44227 Dortmund, Germany.
| | - Gabriele Sadowski
- Laboratory of Thermodynamics, TU Dortmund University, Emil-Figge-Str. 70, 44227 Dortmund, Germany.
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19
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Shibuya R, Miyafusa T, Honda S. Stabilization of backbone-circularized protein is attained by synergistic gains in enthalpy of folded structure and entropy of unfolded structure. FEBS J 2019; 287:1554-1575. [PMID: 31605655 DOI: 10.1111/febs.15092] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 08/22/2019] [Accepted: 10/10/2019] [Indexed: 11/30/2022]
Abstract
Backbone circularization is an effective technique for protein stabilization. Here, we investigated the effect of a connector, an engineered segment that connects two protein termini, on the conformational stability of previously designed circularized variants of granulocyte colony-stimulating factor (G-CSF). Heat tolerance and chemical denaturation analyses revealed that aggregation resistance and thermodynamic stability of the circularized variants were superior to those of linear G-CSF. Crystal structure and molecular dynamics (MD) simulation of the most thermodynamically stable variant (C166) revealed a high number of intramolecular hydrogen bonds in both the connector region and Helix D adjacent to the connector region in the folded structure. MD simulations and theoretical calculations involving different force fields indicated a reduction in the main chain entropy of C166 in the unfolded state and increase in the intramolecular hydrogen bond energy of C166 in the folded structure. Although backbone circularization is usually considered to alter chain entropy of the unfolded state, the data indicated that it could also improve the conformational enthalpy of the folded state. Further structural examination of the connector region confirmed that protein design based on a statistical analysis of local structures is an effective approach for predicting an optimum connector length to improve the conformational stability of backbone-circularized proteins. Protein design using backbone circularization with an optimum connector length will be useful for the development of effective and safe protein therapeutics. DATABASE: Structural data are available in Protein Data Bank under the accession number 5ZO6.
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Affiliation(s)
- Risa Shibuya
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, Japan.,Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Takamitsu Miyafusa
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
| | - Shinya Honda
- Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, Japan.,Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki, Japan
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20
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Askaripour H, Vossoughi M, Khajeh K, Alemzadeh I. Magnetite nanoparticle as a support for stabilization of chondroitinase ABCI. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2019; 47:2721-2728. [DOI: 10.1080/21691401.2019.1577879] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Hossein Askaripour
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Manouchehr Vossoughi
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Khosro Khajeh
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
| | - Iran Alemzadeh
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
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21
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Wang Y, Tian J, Xiao Y, Wang Y, Sun H, Chang Y, Luo H. SpyTag/SpyCatcher cyclization enhances the thermostability and organic solvent tolerance of l-phenylalanine aldolase. Biotechnol Lett 2019; 41:987-994. [DOI: 10.1007/s10529-019-02689-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Accepted: 05/05/2019] [Indexed: 11/24/2022]
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22
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Chen X, Bhandari B, Zhou P. Insight into the effect of glycerol on stability of globular proteins in high protein model system. Food Chem 2019; 278:780-785. [DOI: 10.1016/j.foodchem.2018.11.117] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 11/24/2018] [Accepted: 11/26/2018] [Indexed: 11/24/2022]
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23
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Entropic contribution to enhanced thermal stability in the thermostable P450 CYP119. Proc Natl Acad Sci U S A 2018; 115:E10049-E10058. [PMID: 30297413 PMCID: PMC6205451 DOI: 10.1073/pnas.1807473115] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The enhanced thermostability of thermophilic proteins with respect to their mesophilic counterparts is often attributed to the enthalpy effect, arising from strong interactions between protein residues. Intuitively, these strong interresidue interactions will rigidify the biomolecules. However, the present work utilizing neutron scattering and solution NMR spectroscopy measurements demonstrates a contrary example that the thermophilic cytochrome P450, CYP119, is much more flexible than its mesophilic counterpart, CYP101A1, something which is not apparent just from structural comparison of the two proteins. A mechanism to explain this apparent contradiction is that higher flexibility in the folded state of CYP119 increases its conformational entropy and thereby reduces the entropy gain during denaturation, which will increase the free energy needed for unfolding and thus stabilize the protein. This scenario is supported by thermodynamic data on the temperature dependence of unfolding free energy, which shows a significant entropic contribution to the thermostability of CYP119 and lends an added dimension to enhanced stability, previously attributed only to presence of aromatic stacking interactions and salt bridge networks. Our experimental data also support the notion that highly thermophilic P450s such as CYP119 may use a mechanism that partitions flexibility differently from mesophilic P450s between ligand binding and thermal stability.
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24
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Sarvandi-Dehghanpoor E, Riahi-Madvar A, Lotfi S, Torkzadeh-Mahani M. Improvement of kinetic properties and thermostability of recombinant Lepidium draba peroxidase (LDP) upon exposed to osmolytes. Int J Biol Macromol 2018; 119:1036-1041. [PMID: 30096393 DOI: 10.1016/j.ijbiomac.2018.08.021] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 07/25/2018] [Accepted: 08/06/2018] [Indexed: 11/28/2022]
Abstract
In this study, effects of different concentrations of glycine and D-sorbitol were analyzed on the activity and thermostability of recombinant Lepidium draba peroxidase (LDP). Based on the results, activity of the enzyme increased in the presence of various concentrations of these osmolytes. Maximum activity was detected for the enzyme in the presence of 300 mM glycine and 600 mM sorbitol. In presence of the aforementioned doses of osmolytes, enzyme affinity for substrate (3,3',5,5'-tetramethylbenzidine and H2O2) and Vmax increased. According to the results, enzyme stability improved against temperature and H2O2. Furthermore, structural changes of the enzyme upon exposure to the osmolytes were revealed by the use of far-UV circular dichroism and fluorescence methods. The results showed, whereas the secondary structure of the enzyme was not significantly changed upon exposed to the osmolytes, the fluorescence studies revealed microenvironment of the aromatic residues dramatically affected by them. Overall, it may be speculated, structural changes of the enzyme upon exposed to the osmolytes, lead to the improvement of its kinetic properties and stability that can be benefit for using of it in in vitro applications.
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Affiliation(s)
- Elnaz Sarvandi-Dehghanpoor
- Department of Biochemistry, Faculty of Sciences and Modern Technologies, Graduate University of Advanced Technology, Kerman, Iran
| | - Ali Riahi-Madvar
- Department of Biotechnology, Institute of Science and High technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran.
| | - Safa Lotfi
- Department of Biotechnology, Institute of Science and High technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
| | - Masoud Torkzadeh-Mahani
- Department of Biotechnology, Institute of Science and High technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
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25
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Ohs R, Leipnitz M, Schöpping M, Spiess AC. Simultaneous identification of reaction and inactivation kinetics of an enzyme‐catalyzed carboligation. Biotechnol Prog 2018; 34:1081-1092. [DOI: 10.1002/btpr.2656] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Revised: 04/19/2018] [Indexed: 01/17/2023]
Affiliation(s)
- Rüdiger Ohs
- RWTH Aachen University, Aachener Verfahrenstechnik—Enzyme Process Technology52074 Aachen Germany
- DWI—Leibniz Institute for Interactive Materials Research52074 Aachen Germany
- TU Braunschweig, Institute of Biochemical EngineeringBraunschweig38106 Germany
| | - Martin Leipnitz
- RWTH Aachen University, Aachener Verfahrenstechnik—Enzyme Process Technology52074 Aachen Germany
| | - Marie Schöpping
- RWTH Aachen University, Aachener Verfahrenstechnik—Enzyme Process Technology52074 Aachen Germany
| | - Antje C. Spiess
- RWTH Aachen University, Aachener Verfahrenstechnik—Enzyme Process Technology52074 Aachen Germany
- DWI—Leibniz Institute for Interactive Materials Research52074 Aachen Germany
- TU Braunschweig, Institute of Biochemical EngineeringBraunschweig38106 Germany
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26
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Tavano OL, Berenguer-Murcia A, Secundo F, Fernandez-Lafuente R. Biotechnological Applications of Proteases in Food Technology. Compr Rev Food Sci Food Saf 2018; 17:412-436. [DOI: 10.1111/1541-4337.12326] [Citation(s) in RCA: 123] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2017] [Revised: 11/22/2017] [Accepted: 11/24/2017] [Indexed: 12/26/2022]
Affiliation(s)
- Olga Luisa Tavano
- Faculty of Nutrition; Alfenas Federal Univ.; 700 Gabriel Monteiro da Silva St Alfenas MG 37130-000 Brazil
| | - Angel Berenguer-Murcia
- Inorganic Chemistry Dept. and Materials Science Inst.; Alicante Univ.; Ap. 99 E-03080 Alicante Spain
| | - Francesco Secundo
- Istit. di Chimica del Riconoscimento Molecolare; CNR; v. Mario Bianco 9 20131 Milan Italy
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27
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Hendriks A, van Lier J, de Kreuk M. Growth media in anaerobic fermentative processes: The underestimated potential of thermophilic fermentation and anaerobic digestion. Biotechnol Adv 2018; 36:1-13. [DOI: 10.1016/j.biotechadv.2017.08.004] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 07/08/2017] [Accepted: 08/30/2017] [Indexed: 11/24/2022]
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28
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Dowd A. Elucidating Cellular Metabolism and Protein Difference Data from DIGE Proteomics Experiments Using Enzyme Assays. Methods Mol Biol 2018; 1664:261-278. [PMID: 29019139 DOI: 10.1007/978-1-4939-7268-5_20] [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] [Indexed: 06/07/2023]
Abstract
Assays for measuring enzyme activity can be useful tools for proteomics applications. Enzyme testing can be performed to validate an experimental system prior to a Difference Gel Electrophoresis (DIGE) proteomic experiment and can also be utilized as an integral part of multifaceted experiment in conjunction with DIGE. Data from enzyme tests can be used to corroborate results of DIGE proteomic experiments where an enzyme or enzymes are demonstrated by DIGE to be differentially expressed. Enzyme testing can also be utilized to support data from DIGE experiments that demonstrate metabolic changes in a biological system. The different types of enzyme assays that can be performed in conjunction with DIGE experiments are reviewed alongside a discussion of experimental approaches for designing enzyme assays.
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Affiliation(s)
- Andrew Dowd
- Monaghan Biosciences, Tyholland, Co. Monaghan, Ireland.
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29
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Visible and UV-curable chitosan derivatives for immobilization of biomolecules. Int J Biol Macromol 2017; 104:1611-1619. [DOI: 10.1016/j.ijbiomac.2017.04.115] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 03/13/2017] [Accepted: 04/30/2017] [Indexed: 11/20/2022]
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30
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Li J, Packianathan C, Rossman TG, Rosen BP. Nonsynonymous Polymorphisms in the Human AS3MT Arsenic Methylation Gene: Implications for Arsenic Toxicity. Chem Res Toxicol 2017; 30:1481-1491. [PMID: 28537708 PMCID: PMC5516783 DOI: 10.1021/acs.chemrestox.7b00113] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
![]()
Arsenic
methylation, the primary biotransformation in the human
body, is catalyzed by the enzyme As(III) S-adenosylmethionine (SAM)
methyltransferases (hAS3MT). This process is thought to be protective
from acute high-level arsenic exposure. However, with long-term low-level
exposure, hAS3MT produces intracellular methylarsenite (MAs(III))
and dimethylarsenite (DMAs(III)), which are considerably more toxic
than inorganic As(III) and may contribute to arsenic-related diseases.
Several single nucleotide polymorphisms (SNPs) in putative regulatory
elements of the hAS3MT gene have been shown to be protective. In contrast,
three previously identified exonic SNPs (R173W, M287T, and T306I)
may be deleterious. The goal of this study was to examine the effect
of single amino acid substitutions in hAS3MT on the activity of the
enzyme that might explain their contributions to adverse health effects
of environmental arsenic. We identified five additional intragenic
variants in hAS3MT (H51R, C61W, I136T, W203C, and R251H). We purified
the eight polymorphic hAS3MT proteins and characterized their enzymatic
properties. Each enzyme had low methylation activity through decreased
affinity for substrate, lower overall rates of catalysis, or lower
stability. We propose that amino acid substitutions in hAS3MT with
decreased catalytic activity lead to detrimental responses to environmental
arsenic and may increase the risk of arsenic-related diseases.
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Affiliation(s)
- Jiaojiao Li
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University , Miami, Florida 33199, United States
| | - Charles Packianathan
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University , Miami, Florida 33199, United States
| | - Toby G Rossman
- The Nelson Institute of Environmental Medicine , NYU-Langone School of Medicine, Tuxedo, New York 10987, United States
| | - Barry P Rosen
- Department of Cellular Biology and Pharmacology, Herbert Wertheim College of Medicine, Florida International University , Miami, Florida 33199, United States
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31
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Kim WJ, Kim BS, Cho YD, Yoon WJ, Baek JH, Woo KM, Ryoo HM. Fibroin particle-supported cationic lipid layers for highly efficient intracellular protein delivery. Biomaterials 2017; 122:154-162. [DOI: 10.1016/j.biomaterials.2017.01.019] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 01/10/2017] [Accepted: 01/13/2017] [Indexed: 12/31/2022]
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32
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Scheiblhofer S, Laimer J, Machado Y, Weiss R, Thalhamer J. Influence of protein fold stability on immunogenicity and its implications for vaccine design. Expert Rev Vaccines 2017; 16:479-489. [PMID: 28290225 PMCID: PMC5490637 DOI: 10.1080/14760584.2017.1306441] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
INTRODUCTION In modern vaccinology and immunotherapy, recombinant proteins more and more replace whole organisms to induce protective or curative immune responses. Structural stability of proteins is of crucial importance for efficient presentation of antigenic peptides on MHC, which plays a decisive role for triggering strong immune reactions. Areas covered: In this review, we discuss structural stability as a key factor for modulating the potency of recombinant vaccines and its importance for antigen proteolysis, presentation, and stimulation of B and T cells. Moreover, the impact of fold stability on downstream events determining the differentiation of T cells into effector cells is reviewed. We summarize studies investigating the impact of protein fold stability on the outcome of the immune response and provide an overview on computational methods to estimate the effects of point mutations on protein stability. Expert commentary: Based on this information, the rational design of up-to-date vaccines is discussed. A model for predicting immunogenicity of proteins based on their conformational stability at different pH values is proposed.
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Affiliation(s)
- Sandra Scheiblhofer
- a Department of Molecular Biology , University of Salzburg , Salzburg , Austria
| | - Josef Laimer
- a Department of Molecular Biology , University of Salzburg , Salzburg , Austria
| | - Yoan Machado
- a Department of Molecular Biology , University of Salzburg , Salzburg , Austria
| | - Richard Weiss
- a Department of Molecular Biology , University of Salzburg , Salzburg , Austria
| | - Josef Thalhamer
- a Department of Molecular Biology , University of Salzburg , Salzburg , Austria
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Honda K, Inoue M, Ono T, Okano K, Dekishima Y, Kawabata H. Improvement of operational stability of Ogataea minuta carbonyl reductase for chiral alcohol production. J Biosci Bioeng 2017; 123:673-678. [PMID: 28214241 DOI: 10.1016/j.jbiosc.2017.01.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 01/17/2017] [Accepted: 01/23/2017] [Indexed: 11/24/2022]
Abstract
Directed evolution of enantio-selective carbonyl reductase from Ogataea minuta was conducted to improve the operational stability of the enzyme. A mutant library was constructed by an error-prone PCR and screened using a newly developed colorimetric assay. The stability of a mutant with two amino acid substitutions was significantly higher than that of the wild type at 50°C in the presence of dimethyl sulfoxide. Site-directed mutagenesis analysis showed that the improved stability of the enzyme can be attributed to the amino acid substitution of V166A. The half-lives of the V166A mutant were 11- and 6.1-times longer than those of the wild type at 50°C in the presence and absence, respectively, of 20% (v/v) dimethyl sulfoxide. No significant differences in the substrate specificity and enantio-selectivity of the enzyme were observed. The mutant enzyme converted 60 mM 2,2,2-trifluoroacetophenone to (R)-(-)-α-(trifluoromethyl)benzyl alcohol in a molar yield of 71% whereas the conversion yield with an equivalent concentration of the wild-type enzyme was 27%.
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Affiliation(s)
- Kohsuke Honda
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan.
| | - Mizuha Inoue
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Tomohiro Ono
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Kenji Okano
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yasumasa Dekishima
- Mitsubishi Chemical Group Science and Technology Research Center, Inc., 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan
| | - Hiroshi Kawabata
- Mitsubishi Chemical Group Science and Technology Research Center, Inc., 1000 Kamoshida-cho, Aoba-ku, Yokohama 227-8502, Japan
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34
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Saoudi O, Ghaouar N, Othman T. Fluorescence study of laccase from Trametes versicolor under the effects of pH, chemical denaturants and ionic liquids. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2016.11.050] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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35
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Shirke AN, Su A, Jones JA, Butterfoss GL, Koffas MA, Kim JR, Gross RA. Comparative thermal inactivation analysis ofAspergillus oryzaeandThiellavia terrestriscutinase: Role of glycosylation. Biotechnol Bioeng 2016; 114:63-73. [DOI: 10.1002/bit.26052] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2016] [Revised: 07/01/2016] [Accepted: 07/11/2016] [Indexed: 12/11/2022]
Affiliation(s)
- Abhijit N. Shirke
- Department of Chemistry and Chemical Biology; Rensselaer Polytechnic Institute; Troy New York
- Center for Biotechnology and Interdisciplinary Studies; Rensselaer Polytechnic Institute; Troy New York
| | - An Su
- Department of Chemistry and Chemical Biology; Rensselaer Polytechnic Institute; Troy New York
- Center for Biotechnology and Interdisciplinary Studies; Rensselaer Polytechnic Institute; Troy New York
| | - J. Andrew Jones
- Center for Biotechnology and Interdisciplinary Studies; Rensselaer Polytechnic Institute; Troy New York
- Department of Chemical and Biological Engineering; Rensselaer Polytechnic Institute; Troy New York
| | - Glenn L. Butterfoss
- Center for Genomics and Systems Biology; New York University Abu Dhabi; Abu Dhabi UAE
| | - Mattheos A.G. Koffas
- Center for Biotechnology and Interdisciplinary Studies; Rensselaer Polytechnic Institute; Troy New York
- Department of Chemical and Biological Engineering; Rensselaer Polytechnic Institute; Troy New York
| | - Jin Ryoun Kim
- Department of Chemical and Biomolecular Engineering; New York University Tandon School of Engineering; Brooklyn New York
| | - Richard A. Gross
- Department of Chemistry and Chemical Biology; Rensselaer Polytechnic Institute; Troy New York
- Center for Biotechnology and Interdisciplinary Studies; Rensselaer Polytechnic Institute; Troy New York
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36
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Affiliation(s)
- Yuanyuan Cao
- Department of Chemistry; Renmin University of China; Beijing 100872 China
| | - Yapei Wang
- Department of Chemistry; Renmin University of China; Beijing 100872 China
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37
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Tekewe A, Connors NK, Middelberg APJ, Lua LHL. Design strategies to address the effect of hydrophobic epitope on stability and in vitro assembly of modular virus-like particle. Protein Sci 2016; 25:1507-16. [PMID: 27222486 DOI: 10.1002/pro.2953] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 05/20/2016] [Indexed: 11/09/2022]
Abstract
Virus-like particles (VLPs) and capsomere subunits have shown promising potential as safe and effective vaccine candidates. They can serve as platforms for the display of foreign epitopes on their surfaces in a modular architecture. Depending on the physicochemical properties of the antigenic modules, modularization may affect the expression, solubility and stability of capsomeres, and VLP assembly. In this study, three module designs of a rotavirus hydrophobic peptide (RV10) were synthesized using synthetic biology. Among the three synthetic modules, modularization of the murine polyomavirus VP1 with a single copy of RV10 flanked by long linkers and charged residues resulted in the expression of stable modular capsomeres. Further employing the approach of module titration of RV10 modules on each capsomere via Escherichia coli co-expression of unmodified VP1 and modular VP1-RV10 successfully translated purified modular capomeres into modular VLPs when assembled in vitro. Our results demonstrate that tailoring the physicochemical properties of modules to enhance modular capsomeres stability is achievable through synthetic biology designs. Combined with module titration strategy to avoid steric hindrance to intercapsomere interactions, this allows bioprocessing of bacterially produced in vitro assembled modular VLPs.
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Affiliation(s)
- Alemu Tekewe
- The University of Queensland, Australian Institute for Bioengineering and Nanotechnology, Centre for Biomolecular Engineering, St Lucia, Queensland 4072, Australia
| | - Natalie K Connors
- The University of Queensland, Australian Institute for Bioengineering and Nanotechnology, Centre for Biomolecular Engineering, St Lucia, Queensland 4072, Australia
| | - Anton P J Middelberg
- The University of Queensland, Australian Institute for Bioengineering and Nanotechnology, Centre for Biomolecular Engineering, St Lucia, Queensland 4072, Australia
| | - Linda H L Lua
- The University of Queensland, UQ Protein Expression Facility, University of Queensland, St Lucia, Queensland 4072, Australia
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38
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Yoshimoto M, Yamada J, Baba M, Walde P. Enhanced Heat Stability of α-Chymotrypsin through Single-Enzyme Confinement in Attoliter Liposomes. Chembiochem 2016; 17:1221-4. [DOI: 10.1002/cbic.201600150] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Makoto Yoshimoto
- Department of Applied Molecular Bioscience; Yamaguchi University; 2-16-1 Tokiwadai Ube 755-8611 Japan
| | - Jun Yamada
- Department of Applied Molecular Bioscience; Yamaguchi University; 2-16-1 Tokiwadai Ube 755-8611 Japan
| | - Misaki Baba
- Department of Applied Molecular Bioscience; Yamaguchi University; 2-16-1 Tokiwadai Ube 755-8611 Japan
| | - Peter Walde
- Department of Materials; ETH Zürich; Vladimir-Prelog-Weg 5 8093 Zürich Switzerland
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39
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Huang F, Shen L, Wang J, Qu A, Yang H, Zhang Z, An Y, Shi L. Effect of the Surface Charge of Artificial Chaperones on the Refolding of Thermally Denatured Lysozymes. ACS APPLIED MATERIALS & INTERFACES 2016; 8:3669-3678. [PMID: 26570996 DOI: 10.1021/acsami.5b08843] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Artificial chaperones are of great interest in fighting protein misfolding and aggregation for the protection of protein bioactivity. A comprehensive understanding of the interaction between artificial chaperones and proteins is critical for the effective utilization of these materials in biomedicine. In this work, we fabricated three kinds of artificial chaperones with different surface charges based on mixed-shell polymeric micelles (MSPMs), and investigated their protective effect for lysozymes under thermal stress. It was found that MSPMs with different surface charges showed distinct chaperone-like behavior, and the neutral MSPM with PEG shell and PMEO2MA hydrophobic domain at high temperature is superior to the negatively and positively charged one, because of the excessive electrostatic interactions between the protein and charged MSPMs. The results may benefit to optimize this kind of artificial chaperone with enhanced properties and expand their application in the future.
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Affiliation(s)
- Fan Huang
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071, China
| | - Liangliang Shen
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071, China
| | - Jianzu Wang
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071, China
| | - Aoting Qu
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071, China
| | - Huiru Yang
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071, China
| | - Zhenkun Zhang
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071, China
| | - Yingli An
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071, China
| | - Linqi Shi
- State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Functional Polymer Materials, Ministry of Education, Institute of Polymer Chemistry, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071, China
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40
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Cheng M, Yoshiyasu H, Okano K, Ohtake H, Honda K. Redirection of the Reaction Specificity of a Thermophilic Acetolactate Synthase toward Acetaldehyde Formation. PLoS One 2016; 11:e0146146. [PMID: 26731734 PMCID: PMC4701669 DOI: 10.1371/journal.pone.0146146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 12/13/2015] [Indexed: 11/18/2022] Open
Abstract
Acetolactate synthase and pyruvate decarboxylase are thiamine pyrophosphate-dependent enzymes that convert pyruvate into acetolactate and acetaldehyde, respectively. Although the former are encoded in the genomes of many thermophiles and hyperthermophiles, the latter has been found only in mesophilic organisms. In this study, the reaction specificity of acetolactate synthase from Thermus thermophilus was redirected to catalyze acetaldehyde formation to develop a thermophilic pyruvate decarboxylase. Error-prone PCR and mutant library screening led to the identification of a quadruple mutant with 3.1-fold higher acetaldehyde-forming activity than the wild-type. Site-directed mutagenesis experiments revealed that the increased activity of the mutant was due to H474R amino acid substitution, which likely generated two new hydrogen bonds near the thiamine pyrophosphate-binding site. These hydrogen bonds might result in the better accessibility of H+ to the substrate-cofactor-enzyme intermediate and a shift in the reaction specificity of the enzyme.
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Affiliation(s)
- Maria Cheng
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2–1 Yamadaoka, Suita, Osaka 565–0871, Japan
| | - Hayato Yoshiyasu
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2–1 Yamadaoka, Suita, Osaka 565–0871, Japan
| | - Kenji Okano
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2–1 Yamadaoka, Suita, Osaka 565–0871, Japan
| | - Hisao Ohtake
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2–1 Yamadaoka, Suita, Osaka 565–0871, Japan
| | - Kohsuke Honda
- Department of Biotechnology, Graduate School of Engineering, Osaka University, 2–1 Yamadaoka, Suita, Osaka 565–0871, Japan
- Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), 7 Gobancho, Chiyoda-ku, Tokyo 102–0076, Japan
- * E-mail:
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41
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Liu Y, Du J, Choi JS, Chen KJ, Hou S, Yan M, Lin WY, Chen KS, Ro T, Lipshutz GS, Wu L, Shi L, Lu Y, Tseng HR, Wang H. A High-Throughput Platform for Formulating and Screening Multifunctional Nanoparticles Capable of Simultaneous Delivery of Genes and Transcription Factors. Angew Chem Int Ed Engl 2016; 55:169-73. [PMID: 26768819 PMCID: PMC5577986 DOI: 10.1002/anie.201507546] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Revised: 10/21/2015] [Indexed: 01/09/2023]
Abstract
Simultaneous delivery of multiple genes and proteins (e.g., transcription factors; TFs) is an emerging issue surrounding therapeutic research due to their ability to regulate cellular circuitry. Current gene and protein delivery strategies, however, are based on slow batch synthesis, which is ineffective, poorly controlled, and incapable of simultaneous delivery of both genes and proteins with synergistic functions. Consequently, advances in this field have been limited to in vitro studies. Here, by integrating microfluidic technologies with a supramolecular synthetic strategy, we present a high-throughput approach for formulating and screening multifunctional supramolecular nanoparticles (MFSNPs) self-assembled from a collection of functional modules to achieve simultaneous delivery of one gene and TF with unprecedented efficiency both in vitro and in vivo. We envision that this new approach could open a new avenue for immunotherapy, stem cell reprogramming, and other therapeutic applications.
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Affiliation(s)
- Yang Liu
- Laboratory of Biological Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Chinese Academy of Sciences, No. 11 Beiyitiao, Zhongguancun, Beijing (China)
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin (China)
- California NanoSystems Institute, Department of Chemical and Bimolecular Engineering, UCLA (USA)
| | - Juanjuan Du
- California NanoSystems Institute, Department of Chemical and Bimolecular Engineering, UCLA (USA)
| | - Jin-sil Choi
- Crump Institute for Molecular Imaging, California NanoSystems Institute, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, CA 90095 (USA)
| | - Kuan-Ju Chen
- Crump Institute for Molecular Imaging, California NanoSystems Institute, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, CA 90095 (USA)
| | - Shuang Hou
- Crump Institute for Molecular Imaging, California NanoSystems Institute, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, CA 90095 (USA)
| | - Ming Yan
- California NanoSystems Institute, Department of Chemical and Bimolecular Engineering, UCLA (USA)
| | - Wei-Yu Lin
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung, 80708 (Taiwan)
| | - Kevin Sean Chen
- Crump Institute for Molecular Imaging, California NanoSystems Institute, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, CA 90095 (USA)
| | - Tracy Ro
- Crump Institute for Molecular Imaging, California NanoSystems Institute, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, CA 90095 (USA)
| | - Gerald S Lipshutz
- Division of Liver and Pancreas Transplantation, Department of Surgery, David Geffen School of Medicine, UCLA (USA)
| | - Lily Wu
- Crump Institute for Molecular Imaging, California NanoSystems Institute, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, CA 90095 (USA)
| | - Linqi Shi
- Key Laboratory of Functional Polymer Materials of Ministry of Education, Institute of Polymer Chemistry, State Key Laboratory of Medicinal Chemical Biology, Nankai University, Tianjin (China)
| | - Yunfeng Lu
- California NanoSystems Institute, Department of Chemical and Bimolecular Engineering, UCLA (USA).
| | - Hsian-Rong Tseng
- Crump Institute for Molecular Imaging, California NanoSystems Institute, Department of Molecular and Medical Pharmacology, UCLA, Los Angeles, CA 90095 (USA).
| | - Hao Wang
- Laboratory of Biological Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology (NCNST), Chinese Academy of Sciences, No. 11 Beiyitiao, Zhongguancun, Beijing (China).
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42
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Wang C, Chen S, Brailsford JA, Yamniuk AP, Tymiak AA, Zhang Y. Characterization and quantification of histidine degradation in therapeutic protein formulations by size exclusion-hydrophilic interaction two dimensional-liquid chromatography with stable-isotope labeling mass spectrometry. J Chromatogr A 2015; 1426:133-9. [DOI: 10.1016/j.chroma.2015.11.065] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 11/17/2015] [Accepted: 11/19/2015] [Indexed: 11/28/2022]
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43
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Liu Y, Du J, Choi JS, Chen KJ, Hou S, Yan M, Lin WY, Chen KS, Ro T, Lipshutz GS, Wu L, Shi L, Lu Y, Tseng HR, Wang H. A High-Throughput Platform for Formulating and Screening Multifunctional Nanoparticles Capable of Simultaneous Delivery of Genes and Transcription Factors. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201507546] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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44
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Villegas MR, Baeza A, Vallet-Regí M. Hybrid Collagenase Nanocapsules for Enhanced Nanocarrier Penetration in Tumoral Tissues. ACS APPLIED MATERIALS & INTERFACES 2015; 7:24075-24081. [PMID: 26461206 DOI: 10.1021/acsami.5b07116] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Poor penetration of drug delivery nanocarriers within dense extracellular matrices constitutes one of the main liabilities of current nanomedicines. The conjugation of proteolytic enzymes on the nanoparticle surface constitutes an attractive alternative. However, the scarce resistance of these enzymes against the action of proteases or other aggressive agents present in the bloodstream strongly limits their application. Herein, a novel nanodevice able to transport proteolytic enzymes coated with an engineered pH-responsive polymeric is presented. This degradable coat protects the housed enzymes against proteolytic attack at the same time that it triggers their release under mild acidic conditions, usually present in many tumoral tissues. These enzyme nanocapsules have been attached on the surface of mesoporous silica nanoparticles, as nanocarrier model, showing a significatively higher penetration of the nanoparticles within 3D collagen matrices which housed human osteosarcoma cells (HOS). This strategy can improve the therapeutic efficacy of the current nanomedicines, allowing a more homogeneous and deeper distribution of the therapeutic nanosystems in cancerous tissues.
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Affiliation(s)
- María Rocío Villegas
- Departamento Química Inorgánica y Bioinorgánica, UCM, Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12 , Plaza Ramón y Cajal s/n, Madrid 28040, Spain
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN) , Avenida Monforte de Lemos, 3-5, Madrid 28029, Spain
| | - Alejandro Baeza
- Departamento Química Inorgánica y Bioinorgánica, UCM, Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12 , Plaza Ramón y Cajal s/n, Madrid 28040, Spain
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN) , Avenida Monforte de Lemos, 3-5, Madrid 28029, Spain
| | - María Vallet-Regí
- Departamento Química Inorgánica y Bioinorgánica, UCM, Instituto de Investigación Sanitaria Hospital 12 de Octubre i+12 , Plaza Ramón y Cajal s/n, Madrid 28040, Spain
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina (CIBER-BBN) , Avenida Monforte de Lemos, 3-5, Madrid 28029, Spain
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45
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Nain AK, Lather M. Solute–solute and solute–solvent interactions of l-histidine and l-arginine in aqueous-streptomycin sulphate solutions at different temperatures: A physicochemical study. J Mol Liq 2015. [DOI: 10.1016/j.molliq.2015.07.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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46
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Rational Substitution of Surface Acidic Residues for Enhancing the Thermostability of Thermolysin. Appl Biochem Biotechnol 2015; 178:725-38. [DOI: 10.1007/s12010-015-1905-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 10/21/2015] [Indexed: 11/26/2022]
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47
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Pazhang M, Mehrnejad F, Pazhang Y, Falahati H, Chaparzadeh N. Effect of sorbitol and glycerol on the stability of trypsin and difference between their stabilization effects in the various solvents. Biotechnol Appl Biochem 2015; 63:206-13. [DOI: 10.1002/bab.1366] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2014] [Accepted: 03/05/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Mohammad Pazhang
- Department of Cellular and Molecular Biology; Faculty of Sciences, Azarbaijan Shahid Madani University; Tabriz Iran
| | - Faramarz Mehrnejad
- Department of Life Science Engineering; Faculty of New Sciences & Technologies, University of Tehran; Tehran Iran
| | - Yaghub Pazhang
- Department of Biology; Faculty of Science, Urmia University; Urmia Iran
| | - Hanieh Falahati
- Department of Quantitative and Computational Biology; Princeton University; Princeton NJ USA
| | - Nader Chaparzadeh
- Department of Cellular and Molecular Biology; Faculty of Sciences, Azarbaijan Shahid Madani University; Tabriz Iran
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48
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Lee J, Ko JH, Lin EW, Wallace P, Ruch F, Maynard HD. Trehalose hydrogels for stabilization of enzymes to heat. Polym Chem 2015; 6:3443-3448. [PMID: 26005500 PMCID: PMC4436147 DOI: 10.1039/c5py00121h] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Enzymes can catalyze various reactions with high selectivity and are involved in many important biological processes. However, the general instability of enzymes against high temperature often limits their application. To address this, we synthesized a trehalose-based hydrogel in two steps from commercial starting materials with minimal purification procedures. Mono- and multi-functional trehalose monomers were cross-linked by redox-initiated radical polymerization to form a hydrogel. Phytase, an important enzyme utilized in animal feedstock, was employed to study the effectiveness of the trehalose hydrogel to stabilize proteins against heat. Addition of the phytase solution to the hydrogel resulted in enzyme internalization as confirmed by confocal microscopy. The phytase in the hydrogel retained 100% activity upon heating at 90 °C compared to 39% when the hydrogel was absent. The enzyme could also be recovered from the hydrogel. The trehalose hydrogel synthesis reported herein should be readily scalable for thermal stabilization of a wide variety of enzymes.
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Affiliation(s)
- Juneyoung Lee
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569
| | - Jeong Hoon Ko
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569
| | - En-Wei Lin
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569
| | - Peter Wallace
- Phytex LLC, 214 S. Main Street, Sheridan, Indiana 46069
| | - Frank Ruch
- Phytex LLC, 214 S. Main Street, Sheridan, Indiana 46069
| | - Heather D. Maynard
- Department of Chemistry and Biochemistry and California NanoSystems Institute, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569
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49
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Ashmead HM, Negron L, Webster K, Arcus V, Gerrard JA. Proteins as supramolecular building blocks: Nterm-Lsr2 as a new protein tecton. Biopolymers 2015; 103:260-70. [DOI: 10.1002/bip.22592] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Revised: 10/08/2014] [Accepted: 11/15/2014] [Indexed: 12/15/2022]
Affiliation(s)
- Helen M. Ashmead
- Callaghan Innovation, Integrated Bioactive Technologies Group; 69 Gracefield Road Lower Hutt New Zealand
- Biomolecular Interaction Centre; University of Canterbury; Private Bag 4800 Christchurch New Zealand
- School of Biological Sciences; University of Canterbury; Private Bag 4800 Christchurch New Zealand
| | - Leonardo Negron
- Callaghan Innovation, Integrated Bioactive Technologies Group; 69 Gracefield Road Lower Hutt New Zealand
- Biomolecular Interaction Centre; University of Canterbury; Private Bag 4800 Christchurch New Zealand
- School of Biological Sciences; University of Canterbury; Private Bag 4800 Christchurch New Zealand
| | - Kyle Webster
- School of Biological Sciences; Victoria University; Wellington New Zealand
| | - Vic Arcus
- Biomolecular Interaction Centre; University of Canterbury; Private Bag 4800 Christchurch New Zealand
- Faculty of Science and Engineering, Department of Biological Science; University of Waikato; Private Bag 3105 Hamilton New Zealand
| | - Juliet A. Gerrard
- Callaghan Innovation, Integrated Bioactive Technologies Group; 69 Gracefield Road Lower Hutt New Zealand
- Biomolecular Interaction Centre; University of Canterbury; Private Bag 4800 Christchurch New Zealand
- School of Biological Sciences and School of Chemical Sciences; University of Auckland; Auckland New Zealand
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50
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Yan EK, Cao HL, Zhang CY, Lu QQ, Ye YJ, He J, Huang LJ, Yin DC. Cross-linked protein crystals by glutaraldehyde and their applications. RSC Adv 2015. [DOI: 10.1039/c5ra01722j] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The mechanism of cross-linked protein crystals using glutaraldehyde, and their properties and applications are discussed in detail.
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Affiliation(s)
- Er-Kai Yan
- Institute for Special Environmental Biophysics
- Key Laboratory for Space Bioscience and Space Biotechnology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an 710072
| | - Hui-Ling Cao
- Institute for Special Environmental Biophysics
- Key Laboratory for Space Bioscience and Space Biotechnology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an 710072
| | - Chen-Yan Zhang
- Institute for Special Environmental Biophysics
- Key Laboratory for Space Bioscience and Space Biotechnology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an 710072
| | - Qin-Qin Lu
- Institute for Special Environmental Biophysics
- Key Laboratory for Space Bioscience and Space Biotechnology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an 710072
| | - Ya-Jing Ye
- Institute for Special Environmental Biophysics
- Key Laboratory for Space Bioscience and Space Biotechnology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an 710072
| | - Jin He
- Institute for Special Environmental Biophysics
- Key Laboratory for Space Bioscience and Space Biotechnology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an 710072
| | - Lin-Jun Huang
- Institute for Special Environmental Biophysics
- Key Laboratory for Space Bioscience and Space Biotechnology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an 710072
| | - Da-Chuan Yin
- Institute for Special Environmental Biophysics
- Key Laboratory for Space Bioscience and Space Biotechnology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi'an 710072
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