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Parfenyuk SB, Glushkova OV, Sharapov MG, Khrenov MO, Lunin SM, Kuzekova AA, Mubarakshina EK, Novoselova TV, Cherenkov DA, Novoselova EG. Protective Effects of Peroxiredoxin 6 in Pro-Inflammatory Response Model Using Raw 264.7 Macrophages. BIOCHEMISTRY. BIOKHIMIIA 2023; 88:1156-1164. [PMID: 37758314 DOI: 10.1134/s0006297923080096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/14/2023] [Accepted: 07/15/2023] [Indexed: 10/03/2023]
Abstract
The aim of the work was to study effects of peroxiredoxin 6 (PRDX6), a recombinant antioxidant protein, on the level of pro-inflammatory responses of RAW 264.7 macrophages to endotoxin exposure. Addition of LPS to the RAW 264.7 cell culture medium expectedly increased production of TNF-α, and addition of PRDX6 led to a significant (15-20%) decrease in its production. The level of production of another pro-inflammatory cytokine, IL-1β, which was significantly activated by endotoxin, was completely normalized under the PRDX6 action. Moreover, addition of PRDX6 reduced production of reactive oxygen species (ROS) induced by endotoxin and also prevented overexpression of the iNos gene in the RAW 264.7 cells. The results showed that PRDX6 had a suppressive effect on the expression of Nrf-2 gene and production of the transcription factor NRF-2 during the first 6 h of cell cultivation. Addition of endotoxin caused activation of the NF-κB and SAPK/JNK signaling cascades, while in the presence of PRDX6, activity of these signaling cascades decreases. It is known that the pro-inflammatory response of cells caused by exposure to bacterial LPS leads to activation of apoptosis and elimination of the damaged cells. Our studies confirm this, since exposure to LPS led to activation of the expression of P53 gene, a marker of apoptosis. Peroxiredoxin 6 added within the first hours of the development of acute pro-inflammatory response suppressed the P53 gene expression, indicating protective effect of PRDX6 that reduced apoptosis in the RAW 264.7 macrophages.
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Affiliation(s)
- Svetlana B Parfenyuk
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
| | - Olga V Glushkova
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Mars G Sharapov
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Maksim O Khrenov
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Sergey M Lunin
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Anna A Kuzekova
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Elvira K Mubarakshina
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Tatyana V Novoselova
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
| | - Dmitrii A Cherenkov
- Voronezh State University of Engineering Technologies, Voronezh, 394036, Russia
| | - Elena G Novoselova
- Institute of Cell Biophysics, Pushchino Scientific Center for Biological Research, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia
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Sharapov MG, Goncharov RG, Parfenyuk SB, Glushkova OV, Novoselov VI. The Role of Phospholipase Activity of Peroxiredoxin 6 in Its Transmembrane Transport and Protective Properties. Int J Mol Sci 2022; 23:ijms232315265. [PMID: 36499590 PMCID: PMC9738660 DOI: 10.3390/ijms232315265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 11/24/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Peroxiredoxin 6 (Prdx6) is a multifunctional eukaryotic antioxidant enzyme. Mammalian Prdx6 possesses peroxidase activity against a wide range of organic and inorganic hydroperoxides, as well as exhibits phospholipase A2 (aiPLA2) activity, which plays an important role in the reduction of oxidized phospholipids and cell membrane remodeling. Exogenous Prdx6 has recently been shown to be able to penetrate inside the cell. We hypothesized that this entry may be due to the phospholipase activity of Prdx6. Experiments using exogenous Prdx6 in three cell lines (3T3, A549, RAW 264.7) demonstrated that it is the phospholipase activity that promotes its penetration into the cell. Overoxidation of Prdx6 led to a suppression of the peroxidase activity and a 3-to-4-fold growth of aiPLA2, which enhanced the efficiency of its transmembrane transport into the cells by up to 15 times. A mutant form of Prdx6-S32A with an inactivated phospholipase center turned out to be unable to enter the cells in both the reduced and oxidized state of the peroxidase active center. Previously, we have shown that exogenous Prdx6 has a significant radioprotective action. However, the role of phospholipase activity in the radioprotective effects of Prdx6 remained unstudied. Trials with the mutant Prdx6-S32A form, with the use of a total irradiation model in mice, showed a nearly 50% reduction of the radioprotective effect upon aiPLA2 loss. Such a significant decrease in the radioprotective action may be due to the inability of Prdx6-S32A to penetrate animal cells, which prevents its reduction by the natural intracellular reducing agent glutathione S-transferase (πGST) and lowers the efficiency of elimination of peroxides formed from the effect of ionizing radiation. Thus, phospholipase activity may play an important role in the reduction of oxidized Prdx6 and manifestation of its antioxidant properties.
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Sharapov MG, Novoselov VI, Gudkov SV. Radioprotective Role of Peroxiredoxin 6. Antioxidants (Basel) 2019; 8:E15. [PMID: 30621289 PMCID: PMC6356814 DOI: 10.3390/antiox8010015] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 12/30/2018] [Accepted: 01/01/2019] [Indexed: 02/06/2023] Open
Abstract
Peroxiredoxin 6 (Prdx6) is a member of an evolutionary ancient family of peroxidase enzymes with diverse functions in the cell. Prdx6 is an important enzymatic antioxidant. It reduces a wide range of peroxide substrates in the cell, thus playing a leading role in the maintenance of the redox homeostasis in mammalian cells. Beside peroxidase activity, Prdx6 has been shown to possess an activity of phospholipase A2, an enzyme playing an important role in membrane phospholipid metabolism. Moreover, Prdx6 takes part in intercellular and intracellular signal transduction due to its peroxidase and phospholipase activity, thus facilitating the initiation of regenerative processes in the cell, suppression of apoptosis, and activation of cell proliferation. Being an effective and important antioxidant enzyme, Prdx6 plays an essential role in neutralizing oxidative stress caused by various factors, including action of ionizing radiation. Endogenous Prdx6 has been shown to possess a significant radioprotective potential in cellular and animal models. Moreover, intravenous infusion of recombinant Prdx6 to animals before irradiation at lethal or sublethal doses has shown its high radioprotective effect. Exogenous Prdx6 effectively alleviates the severeness of radiation lesions, providing normalization of the functional state of radiosensitive organs and tissues, and leads to a significant elevation of the survival rate of animals. Prdx6 can be considered as a potent and promising radioprotective agent for reducing the pathological effect of ionizing radiation on mammalian organisms. The radioprotective properties and mechanisms of radioprotective action of Prdx6 are discussed in the current review.
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Affiliation(s)
- Mars G Sharapov
- Laboratory of Mechanisms of Reception, Institute of Cell Biophysics of the Russian Academy of Sciences, 142290 Pushchino, Russia.
| | - Vladimir I Novoselov
- Laboratory of Mechanisms of Reception, Institute of Cell Biophysics of the Russian Academy of Sciences, 142290 Pushchino, Russia.
| | - Sergey V Gudkov
- Wave Research Center, Prokhorov General Physics Institute of the Russian Academy of Sciences, 119991 Moscow, Russia.
- Department of Experimental Clinical Studies, Moscow Regional Research and Clinical Institute (MONIKI), 129110 Moscow, Russia.
- The Institute of Biology and Biomedicine, Lobachevsky State University of Nizhni Novgorod, 603950 Nizhni Novgorod, Russia.
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Sharapov MG, Fesenko EE, Novoselov VI. The Role of Peroxiredoxins in Various Diseases Caused by Oxidative Stress and the Prospects of Using Exogenous Peroxiredoxins. Biophysics (Nagoya-shi) 2018. [DOI: 10.1134/s0006350918040164] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
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Sharapov MG, Novoselov VI, Ravin VK. Construction of a Fusion Enzyme Exhibiting Superoxide Dismutase and Peroxidase Activity. BIOCHEMISTRY (MOSCOW) 2016; 81:420-7. [PMID: 27293100 DOI: 10.1134/s0006297916040131] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
A chimeric gene construct encoding human peroxiredoxin 6 and Mn-superoxide dismutase from Escherichia coli was developed. Conditions for expression of the fusion protein in E. coli cell were optimized. Fusing of the enzymes into a single polypeptide chain with peroxiredoxin 6 at the N-terminus (PSH) did not affect their activities. On the contrary, the chimeric protein with reverse order of enzymes (SPH) was not obtained in a water-soluble active form. The active chimeric protein (PSH) exhibiting both peroxidase and superoxide dismutase activities was prepared and its physicochemical properties were characterized.
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Affiliation(s)
- M G Sharapov
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, 142290, Russia.
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Krishnaiah SY, Dodia C, Sorokina EM, Li H, Feinstein SI, Fisher AB. Binding sites for interaction of peroxiredoxin 6 with surfactant protein A. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2015; 1864:419-25. [PMID: 26723227 DOI: 10.1016/j.bbapap.2015.12.009] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Revised: 12/15/2015] [Accepted: 12/21/2015] [Indexed: 11/28/2022]
Abstract
Peroxiredoxin 6 (Prdx6) is a bifunctional enzyme with peroxidase and phospholipase A2 (PLA2) activities. This protein participates in the degradation and remodeling of internalized dipalmitoylphosphatidylcholine (DPPC), the major phospholipid component of lung surfactant. We have shown previously that the PLA2 activity of Prdx6 is inhibited by the lung surfactant-associated protein called surfactant protein A (SP-A) through direct protein-protein interaction. Docking of SPA and Prdx6 was modeled using the ZDOCK (zlab.bu.edu) program in order to predict molecular sites for binding of the two proteins. The predicted peptide sequences were evaluated for binding to the opposite protein using isothermal titration calorimetry and circular dichroism measurement followed by determination of the effect of the SP-A peptide on the PLA2 activity of Prdx6. The sequences 195EEEAKKLFPK204.in the Prdx6 helix and 83DEELQTELYEIKHQIL99 in SP-A were identified as the sites for hydrophobic interaction and H(+)-bonding between the 2 proteins. Treatment of mouse endothelial cells with the SP-A peptide inhibited their recovery from lipid peroxidation associated with oxidative stress indicating inhibition of Prdx6 activity by the peptide in the intact cell.
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Affiliation(s)
- Saikumari Y Krishnaiah
- Institute for Environmental Medicine and Department of Physiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Chandra Dodia
- Institute for Environmental Medicine and Department of Physiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Elena M Sorokina
- Institute for Environmental Medicine and Department of Physiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Haitao Li
- Institute for Environmental Medicine and Department of Physiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Sheldon I Feinstein
- Institute for Environmental Medicine and Department of Physiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA
| | - Aron B Fisher
- Institute for Environmental Medicine and Department of Physiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA.
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Gordeeva AE, Temnov AA, Charnagalov AA, Sharapov MG, Fesenko EE, Novoselov VI. Protective Effect of Peroxiredoxin 6 in Ischemia/Reperfusion-Induced Damage of Small Intestine. Dig Dis Sci 2015; 60:3610-9. [PMID: 26233545 DOI: 10.1007/s10620-015-3809-3] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 07/13/2015] [Indexed: 12/09/2022]
Abstract
BACKGROUND Strong oxidative stress starting in the epithelium upon restoration of blood cell circulation is a major cause of necrosis of the intestinal epithelium in ischemia/reperfusion-induced damage. AIM The purpose of this study was to investigate the tissue-protective effect of exogenous peroxiredoxin 6 (Prx6) in ischemia/reperfusion-induced damage of small intestine. METHODS The research was carried out using a model of acute superior mesenteric artery occlusion in Wistar male rats. Exogenous Prx6 was administrated intravenously 15 min prior to small intestine ischemia. The distribution of endogenous Prx6 in the small intestine was determined by immunohistochemical analysis. The expression level of antioxidant enzymes was evaluated by RT-PCR in real time. RESULTS Exogenous Prx6 injected to animals intravenously was detected in blood vessel lumens, and its diffuse distribution was subsequently confirmed in the intestinal epithelium. Expression analysis of genes coding for major antioxidant enzymes demonstrated a significant activation of SOD 1, SOD 3, Prx6, GPx2, GPx7 expression during I/R-induced damage of the small intestine. Injection of exogenous Prx6 prior to induced ischemia resulted in minimization of oxidative injury by reducing necrosis and apoptosis, by normalization of gene activity of antioxidant enzyme. It eventually led to a reduction of epithelium destruction in the small intestine. By contrast, administration of a purified mutant form of Prx6 (Prx6C47S) without peroxidase activity had no protective effect. CONCLUSION The application of exogenous Prx6 enables normalization of the antioxidant status of the small intestine and reduction of cell destruction upon I/R-induced organ damage.
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Affiliation(s)
- A E Gordeeva
- Institute of Cell Biophysics, Russian Academy of Sciences, 3, Institutskaya, Pushchino, Moscow Region, Russia, 142290.
| | - A A Temnov
- N.V. Sklifosovsky Research Institute for Emergency Medicine of Moscow Healthcare Department, Moscow, Russia.
| | - A A Charnagalov
- Department of Structural and Computational Biology, Max. F. Perutz Laboratories, University of Vienna, Campus Vienna Biocenter 5, 1030, Vienna, Austria.
| | - M G Sharapov
- Institute of Cell Biophysics, Russian Academy of Sciences, 3, Institutskaya, Pushchino, Moscow Region, Russia, 142290.
| | - E E Fesenko
- Institute of Cell Biophysics, Russian Academy of Sciences, 3, Institutskaya, Pushchino, Moscow Region, Russia, 142290.
| | - V I Novoselov
- Institute of Cell Biophysics, Russian Academy of Sciences, 3, Institutskaya, Pushchino, Moscow Region, Russia, 142290.
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Novoselov VI, Ravin VK, Sharapov MG, Sofin AD, Kukushkin NI, Fesenko EE. Modified peroxiredoxins as prototypes of drugs with powerful antioxidant action. Biophysics (Nagoya-shi) 2011. [DOI: 10.1134/s0006350911050137] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Shuvaeva TM, Novoselov VI, Fesenko EE, Lipkin VM. [Peroxiredoxins, a new family of antioxidant proteins]. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2009; 35:581-96. [PMID: 19915636 DOI: 10.1134/s106816200905001x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Current ideas are discussed about the structures and mechanisms of action of proteins that have been united at present into a family of thiol-specific antioxidants or peroxiredoxins, which protect the cells of different organisms from the action of hydrogen peroxide. Peroxiredoxins fulfill the same function as antioxidant enzymes such as catalases and glutathione-dependent peroxidases; however, their catalytic activity is lower than that of these enzymes. The level of expression of genes of peroxiredoxins is increased in many pathological states accompanied by oxidative stress, and today there is direct evidence for the important role of peroxiredoxins in the vital activity of cells.
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Affiliation(s)
- T M Shuvaeva
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.
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Kalinina EV, Chernov NN, Saprin AN. Involvement of thio-, peroxi-, and glutaredoxins in cellular redox-dependent processes. BIOCHEMISTRY (MOSCOW) 2009; 73:1493-510. [DOI: 10.1134/s0006297908130099] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Kipnis E, Hansen K, Sawa T, Moriyama K, Zurawel A, Ishizaka A, Wiener-Kronish J. Proteomic Analysis of Undiluted Lung Epithelial Lining Fluid. Chest 2008; 134:338-345. [DOI: 10.1378/chest.07-1643] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
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Investigation of Multiwall Carbon Nanotube Modified Hydroxyapatite on Human Osteoblast Cell Line Using iTRAQ Proteomics Technology. ACTA ACUST UNITED AC 2007. [DOI: 10.4028/www.scientific.net/kem.361-363.1047] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydroxyapatite (HA) is a bioactive ceramic material with a chemical composition
similar to natural bone, and carbon nano tubes (CNT) is able to enhance the brittle ceramic matrix
without detrimental to the bioactivity. This study reported an attempt to use a commercially
multiwalled CNT strengthen brittle hydroxyapatite bioceramics. Using iTRAQ-coupled 2D LCMS/
MS analysis, we report the first study of protein profile in osteoblasts from human osteoblastic
cell line incubated separately on HA with and without strengthening multiwall CNT surfaces. Sixty
proteins were identified and quantified simultaneously at the initial culturing stage of 3 days. The
results were validated by Western blotting for selected proteins: Fetuin-A, Elongation factor II and
Peroxiredoxin VI. Fetuin-A showed up-regulation, and Peroxiredoxin VI gave down-regulation in
the osteoblasts cultured on HA based ceramic surfaces. Similar regulation was expressed by the
protein of Elongation factor II on the phase pure HA surfaces as compared to the control group
cultured on the polystyrene substrate. Relatively high EF 2 expression was detected on the phase the
surfaces of CNT strengthen HA samples.
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Nekrasov AN, Radchenko VV, Shuvaeva TM, Novoselov VI, Fesenko EE, Lipkin VM. The novel approach to the protein design: active truncated forms of human 1-CYS peroxiredoxin. J Biomol Struct Dyn 2007; 24:455-62. [PMID: 17313190 DOI: 10.1080/07391102.2007.10507133] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
The object of the present study is the verification of a new approach to the design of the active truncated forms of enzymes. The method is based on a new way of investigating the protein sequences--the ANalysis of Informational Structure (ANIS). The analysis of informational structure allows to determine the hierarchically organized structures (IDIC-trees) formed by the sites with the Increased Degree of Informational Coordination between residues. The proposed approach involves the consequent removal of the fragments corresponding to the individual IDIC-trees from the wild-type enzyme sequences. The described procedure was applied to the design of the active truncated form of human 1-CYS peroxiredoxin (PrxVI). Two variants of the PrxVI truncated sequences were proposed according to ANIS method. These truncated forms of the enzyme were expressed in E. coli and purified. The respective antioxidant activities were measured. It was shown that one of the truncated recombinant proteins retains more than 90% of the wild-type PrxVI enzymatic activity. According to the results of our study we can assume that ANIS method can be an effective tool for the design of the active truncated forms of the enzymes or the chimeric proteins which combine the enzymatic activities of their wild-type prototypes.
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Affiliation(s)
- A N Nekrasov
- Group of Computer Graphics, Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Moscow, Russia.
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