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Danazumi AU, Ishmam IT, Idris S, Izert MA, Balogun EO, Górna MW. Targeted protein degradation might present a novel therapeutic approach in the fight against African trypanosomiasis. Eur J Pharm Sci 2023; 186:106451. [PMID: 37088149 PMCID: PMC11032742 DOI: 10.1016/j.ejps.2023.106451] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/11/2023] [Accepted: 04/20/2023] [Indexed: 04/25/2023]
Abstract
African trypanosomiasis (AT) is a hemoparasitic disease caused by infection with African trypanosomes and it is prevalent in many sub-Saharan African countries, affecting both humans and domestic animals. The disease is transmitted mostly by haematophagous insects of the genus Glossina while taking blood meal, in the process spreading the parasites from an infected animal to an uninfected animal. The disease is fatal if untreated, and the available drugs are generally ineffective and resulting in toxicities. Therefore, it is still pertinent to explore novel methods and targets for drug discovery. Proteolysis-targeting chimeras (PROTACs) present a new strategy for development of therapeutic molecules that mimic cellular proteasomal-mediated protein degradation to target proteins involved in different disease types. PROTACs have been used to degrade proteins involved in various cancers, neurodegenerative diseases, and immune disorders with remarkable success. Here, we highlight the problems associated with the current treatments for AT, discuss the concept of PROTACs and associated targeted protein degradation (TPD) approaches, and provide some insights on the future potential for the use of these emerging technologies (PROTACs and TPD) for the development of new generation of anti-Trypanosoma drugs and the first "TrypPROTACs".
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Affiliation(s)
- Ammar Usman Danazumi
- Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Warsaw, Poland; Faculty of Chemistry, Warsaw University of Technology, Warsaw, Poland; Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria
| | | | - Salisu Idris
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria
| | - Matylda Anna Izert
- Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Warsaw, Poland
| | - Emmanuel Oluwadare Balogun
- Department of Biochemistry, Ahmadu Bello University, Zaria, Nigeria; African Centre of Excellence for Neglected Tropical Diseases and Forensic Biotechnology, Ahmadu Bello University, Zaria, Nigeria.
| | - Maria Wiktoria Górna
- Biological and Chemical Research Centre, Department of Chemistry, University of Warsaw, Warsaw, Poland.
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Li H, Zhang J, She X. The Total Synthesis of Diquinane-Containing Natural Products. Chemistry 2021; 27:4839-4858. [PMID: 32955141 DOI: 10.1002/chem.202003741] [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: 08/12/2020] [Revised: 09/15/2020] [Indexed: 12/18/2022]
Abstract
Diquinane or bicyclo[3.3.0]octane is a conspicuous structural unit existing in the carbo-frameworks of a wide range of natural products such as alkaloids and terpenoids. These diquinane-containing molecules not merely exhibit intriguing architectures, but also showcase a broad spectrum of significant bioactivities, which draw widespread attention from the global synthetic community. During the past decade, with an aim to accomplish the total syntheses of such specified cornucopias of natural products, a variety of elegant strategies for construction of the diquinane ring system have been disclosed. In this Minireview, the achievements on this subject in the timeline from 2010 to June 2020 are demonstrated and it is discussed how the diquinane unit is strategically forged in the context of the specific target structure. In addition, impacts of the selected works to the field of natural product total synthesis is highlighted and the particular outlook of diquinane-containing natural product synthesis is provided.
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Affiliation(s)
- Huilin Li
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou, 730000, Gansu, P. R. China
| | - Jing Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou, 730000, Gansu, P. R. China
| | - Xuegong She
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 222 South Tianshui Road, Lanzhou, 730000, Gansu, P. R. China
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Galbiati A, Zana A, Conti P. Covalent inhibitors of GAPDH: From unspecific warheads to selective compounds. Eur J Med Chem 2020; 207:112740. [PMID: 32898762 DOI: 10.1016/j.ejmech.2020.112740] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 07/23/2020] [Accepted: 08/05/2020] [Indexed: 11/18/2022]
Abstract
Targeting glycolysis is an attractive approach for the treatment of a wide range of pathologies, such as various tumors and parasitic infections. Due to its pivotal role in the glycolysis, Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) represents a rate-limiting enzyme in those cells that mostly, or exclusively rely on this pathway for energy production. In this context, GAPDH inhibition can be a valuable approach for the development of anticancer and antiparasitic drugs. In addition to its glycolytic role, GAPDH possesses several moonlight functions, whose deregulation is involved in some pathological conditions. Covalent modification on different amino acids of GAPDH, in particular on cysteine residues, can lead to a modulation of the enzyme activity. The selectivity towards specific cysteine residues is essential to achieve a specific phenotypic effect. In this work we report an extensive overview of the latest advances on the numerous compounds able to inhibit GAPDH through the covalent binding to cysteine residues, ranging from endogenous metabolites and xenobiotics, which may serve as pharmacological tools to actual drug-like compounds with promising therapeutic perspectives. Furthermore, we focused on the potentialities of the different warheads, shedding light on the possibility to exploit a combination of a finely tuned electrophilic group with a well-designed recognition moiety. These findings can provide useful information for the rational design of novel covalent inhibitors of GAPDH, with the final goal to expand the current treatment options.
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Affiliation(s)
- Andrea Galbiati
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, Via Mangiagalli 25, 20133, Milano, Italy.
| | - Aureliano Zana
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, Via Mangiagalli 25, 20133, Milano, Italy
| | - Paola Conti
- Department of Pharmaceutical Sciences, Università degli Studi di Milano, Via Mangiagalli 25, 20133, Milano, Italy
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Shi L, Yang Z. Exploring the Complexity-Generating Features of the Pauson-Khand Reaction from a Synthetic Perspective. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600123] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Liu Q, Yue G, Wu N, Lin G, Li Y, Quan J, Li CC, Wang G, Yang Z. Total Synthesis of (±)-Pentalenolactone A Methyl Ester. Angew Chem Int Ed Engl 2012; 51:12072-6. [DOI: 10.1002/anie.201206705] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2012] [Indexed: 11/11/2022]
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Liu Q, Yue G, Wu N, Lin G, Li Y, Quan J, Li CC, Wang G, Yang Z. Total Synthesis of (±)-Pentalenolactone A Methyl Ester. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201206705] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Abstract
[reaction: see text] The enantiospecific assembly of the pentalenolactones' carbon skeleton was achieved in 17 steps and 16% overall yield from methyl alpha-D-glucopyranoside. The synthetic strategy relies on two highly efficient key steps: an exo-diastereoselective Diels-Alder reaction and a nonsymmetric ozonolysis.
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Affiliation(s)
- Sebastian A Testero
- Instituto de Química Organica de Síntesis, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario, CONICET, Suipacha 531, S2002LRK Rosario, Argentina
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Moyersoen J, Choe J, Fan E, Hol WGJ, Michels PAM. Biogenesis of peroxisomes and glycosomes: trypanosomatid glycosome assembly is a promising new drug target. FEMS Microbiol Rev 2005; 28:603-43. [PMID: 15539076 DOI: 10.1016/j.femsre.2004.06.004] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2004] [Revised: 06/14/2004] [Accepted: 06/15/2004] [Indexed: 10/26/2022] Open
Abstract
In trypanosomatids (Trypanosoma and Leishmania), protozoa responsible for serious diseases of mankind in tropical and subtropical countries, core carbohydrate metabolism including glycolysis is compartmentalized in peculiar peroxisomes called glycosomes. Proper biogenesis of these organelles and the correct sequestering of glycolytic enzymes are essential to these parasites. Biogenesis of glycosomes in trypanosomatids and that of peroxisomes in other eukaryotes, including the human host, occur via homologous processes involving proteins called peroxins, which exert their function through multiple, transient interactions with each other. Decreased expression of peroxins leads to death of trypanosomes. Peroxins show only a low level of sequence conservation. Therefore, it seems feasible to design compounds that will prevent interactions of proteins involved in biogenesis of trypanosomatid glycosomes without interfering with peroxisome formation in the human host cells. Such compounds would be suitable as lead drugs against trypanosomatid-borne diseases.
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Affiliation(s)
- Juliette Moyersoen
- Research Unit for Tropical Diseases, Christian de Duve Institute of Cellular Pathology and Laboratory of Biochemistry, Université Catholique de Louvain, ICP-TROP 74.39, Avenue Hippocrate 74, B-1200 Brussels, Belgium
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Verlinde CL, Hannaert V, Blonski C, Willson M, Périé JJ, Fothergill-Gilmore LA, Opperdoes FR, Gelb MH, Hol WG, Michels PA. Glycolysis as a target for the design of new anti-trypanosome drugs. Drug Resist Updat 2001; 4:50-65. [PMID: 11512153 DOI: 10.1054/drup.2000.0177] [Citation(s) in RCA: 170] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Glycolysis is perceived as a promising target for new drugs against parasitic trypanosomatid protozoa because this pathway plays an essential role in their ATP supply. Trypanosomatid glycolysis is unique in that it is compartmentalized, and many of its enzymes display unique structural and kinetic features. Structure- and catalytic mechanism-based approaches are applied to design compounds that inhibit the glycolytic enzymes of the parasites without affecting the corresponding proteins of the human host. For some trypanosomatid enzymes, potent and selective inhibitors have already been developed that affect only the growth of cultured trypanosomatids, and not mammalian cells.
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Affiliation(s)
- C L Verlinde
- Department of Biological Structure, Biomolecular Structure Center, University of Washington, Seattle, USA
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Bakker BM, Westerhoff HV, Opperdoes FR, Michels PA. Metabolic control analysis of glycolysis in trypanosomes as an approach to improve selectivity and effectiveness of drugs. Mol Biochem Parasitol 2000; 106:1-10. [PMID: 10743606 DOI: 10.1016/s0166-6851(99)00197-8] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Glycolysis is the only ATP-generating process in bloodstream form trypanosomes and is therefore a promising drug target. Inhibitors which decrease significantly the glycolytic flux will kill the parasites. Both computer simulation and experimental studies of glycolysis in bloodstream form Trypanosoma brucei indicated that the control of the glycolytic flux is shared by several steps in the pathway. The results of these analyses provide quantitative information about the prospects of decreasing the flux by inhibition of any individual enzyme. The plasma membrane glucose transporter appears the most promising target from this perspective, followed by aldolase, glyceraldehyde-3-phosphate dehydrogenase, phosphoglycerate kinase and glycerol-3-phosphate dehydrogenase. Non-competitive or irreversible inhibitors would be most effective, but it is argued that potent competitive inhibitors can be suitable, provided that the concentration of the competing substrate cannot increase unrestrictedly. Such is the case for inhibitors that compete with coenzymes or with blood glucose.
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Affiliation(s)
- B M Bakker
- Kluyver Institute of Biotechnology, Delft University of Technology, The Netherlands
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Callens M, Hannaert V. The rational design of trypanocidal drugs: selective inhibition of the glyceraldehyde-3-phosphate dehydrogenase in Trypanosomatidae. ANNALS OF TROPICAL MEDICINE AND PARASITOLOGY 1995; 89 Suppl 1:23-30. [PMID: 8745924 DOI: 10.1080/00034983.1995.11813011] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Within the framework of a project aimed at the structure-based design of drugs for use against sleeping sickness, selective inhibitors were designed, synthesised and tested. The target protein was glycosomal glyceraldehyde-3-phosphate dehydrogenase (GAPDH) and the adenosine part of the NAD cofactor was chosen as lead. After one design cycle and exploiting the selectivity cleft in trypanosomal GAPDH near the C2 of the adenosine ribose, a selective inhibitor, 2'-deoxy-2'-(3-methoxybenzamido)adenosine, was obtained. This compound inhibits human GAPDH only marginally, whereas the enzymes from Trypanosoma brucei and Leishmania mexicana are inhibited by 50% at 2.2 and 0.3 mM, respectively. Moreover, the inhibition of the parasite enzyme is 45-fold (T. brucei) or 170-fold (L. mexicana) greater with this substituted analogue than that produced with adenosine.
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Affiliation(s)
- M Callens
- Research Unit for Tropical Diseases, International Institute of Cellular and Molecular Pathology, Brussels, Belgium
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Perie J, Riviere-Alric I, Blonski C, Gefflaut T, Lauth de Viguerie N, Trinquier M, Willson M, Opperdoes FR, Callens M. Inhibition of the glycolytic enzymes in the trypanosome: an approach in the development of new leads in the therapy of parasitic diseases. Pharmacol Ther 1993; 60:347-65. [PMID: 8022865 DOI: 10.1016/0163-7258(93)90016-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Glycolysis in the trypanosome represents an important target for the development of new therapeutic agents due to the fact that this metabolism is essential for the parasite, glucose being its sole source of energy. In addition, different features of this metabolism and those associated with glycolytic enzymes offer opportunities for the development of efficient and selective compounds. Examples are given in this work of inhibitors directed to the enzymes aldolase and glyceraldehyde-phosphate-dehydrogenase and also of molecules acting specifically on the clusters of basic amino-acids present at the surfaces of the glycolytic enzymes in the parasite.
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Affiliation(s)
- J Perie
- Groupe de Chimie Organique Biologique, URA au CNRS 470, Université Paul Sabatier, Toulouse, France
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Barnard J, Reynafarje B, Pedersen P. Glucose catabolism in African trypanosomes. Evidence that the terminal step is catalyzed by a pyruvate transporter capable of facilitating uptake of toxic analogs. J Biol Chem 1993. [DOI: 10.1016/s0021-9258(18)53743-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Lambeir AM, Loiseau AM, Kuntz DA, Vellieux FM, Michels PA, Opperdoes FR. The cytosolic and glycosomal glyceraldehyde-3-phosphate dehydrogenase from Trypanosoma brucei. Kinetic properties and comparison with homologous enzymes. EUROPEAN JOURNAL OF BIOCHEMISTRY 1991; 198:429-35. [PMID: 2040304 DOI: 10.1111/j.1432-1033.1991.tb16032.x] [Citation(s) in RCA: 66] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The protozoan haemoflagellate Trypanosoma brucei has two NAD-dependent glyceraldehyde-3-phosphate dehydrogenase isoenzymes, each with a different localization within the cell. One isoenzyme is found in the cytosol, as in other eukaryotes, while the other is found in the glycosome, a microbody-like organelle that fulfils an essential role in glycolysis. The kinetic properties of the purified glycosomal and cytosolic isoenzymes were compared with homologous enzymes from other organisms. Both trypanosome enzymes had pH/activity profiles similar to that of other glyceraldehyde-3-phosphate dehydrogenases, with optimal activity around pH 8.5-9. Only the yeast enzyme showed its maximal activity at a lower pH. The glycosomal enzyme was more sensitive to changes in ionic strength below 0.1 M, while the cytosolic enzyme resembled more the enzymes from rabbit muscle, human erythrocytes and yeast. The affinity for NAD of the glycosomal enzyme was 5-10-fold lower than that of the cytosolic, as well as the other enzymes. A similar, but less pronounced, difference was found for its affinity for NADH. These differences are explained by a number of amino acid substitutions in the NAD-binding domain of the glycosomal isoenzyme. In addition, the effects of suramin, gossypol, agaricic acid and pentalenolactone on the trypanosome enzymes were studied. The trypanocidal drug suramin inhibited both enzymes, but in a different manner. Inhibition of the cytosolic enzyme was competitive with NAD, while in the case of the glycosomal isoenzyme, with NAD as substrate, the drug had an effect both on Km and Vmax. The most potent inhibitor was pentalenolactone, which at micromolar concentrations inhibited the glycosomal enzyme and the enzymes from yeast and Bacillus stearothermophilus in a reversible manner, while the rabbit muscle enzyme was irreversibly inhibited.
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Affiliation(s)
- A M Lambeir
- International Institute of Cellular and Molecular Pathology, Research Unit for Tropical Diseases, Brussels, Belgium
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Fröhlich KU, Wiedmann M, Lottspeich F, Mecke D. Substitution of a pentalenolactone-sensitive glyceraldehyde-3-phosphate dehydrogenase by a genetically distinct resistant isoform accompanies pentalenolactone production in Streptomyces arenae. J Bacteriol 1989; 171:6696-702. [PMID: 2592349 PMCID: PMC210565 DOI: 10.1128/jb.171.12.6696-6702.1989] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Pentalenolactone (PL), an antibiotic produced by Streptomyces arenae, is a potent inhibitor of glyceraldehyde-3-phosphate dehydrogenase (GAPDH). The producer strain contains different isoforms of GAPDH: a PL-sensitive enzyme on nonproduction media and a PL-insensitive enzyme on production media. After induction of PL synthesis, the sensitive GAPDH disappears parallel to the disappearance of its activity, as shown by Western (immunoblot) hybridization. The two isoenzymes exhibit little immunological cross-reactivity and differ in size, amino acid composition, and several amino acid residues of their amino termini. Two different types of plasmids from a S. arenae genomic library, named pBRPLR1 and pBRPLR2, were cloned in Escherichia coli by selection for enhanced PL resistance. Both contain a GAPDH structural gene. Plasmid pBRPLR1 increases E. coli PL tolerance 7-fold, and plasmid pBRPLR2 increases it 30-fold. GAPDH from pBRPLR1 transformants shows biphasic PL inactivation kinetics. These cells contain PL-sensitive GAPDH from both E. coli and S. arenae. GAPDH from pBRPLR2 transformants tolerates higher PL concentrations than either E. coli or S. arenae PL-sensitive GAPDH but is less resistant than S. arenae PL-insensitive GAPDH. Nondenaturing polyacrylamide electrophoresis showed this GAPDH to be a hybrid of E. coli and S. arenae PL-insensitive GAPDH. The hybrid enzyme could be purified to homogeneity. Induction of the lacZ promoter of pUC subclones of both GAPDH genes had only a small effect on raising the level of intracellular GAPDH.
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Affiliation(s)
- K U Fröhlich
- Physiologisch-chemisches Institut, Universität Tübingen, Federal Republic of Germany
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Cane DE, Sohng JK. Inhibition of glyceraldehyde-3-phosphate dehydrogenase by pentalenolactone: kinetic and mechanistic studies. Arch Biochem Biophys 1989; 270:50-61. [PMID: 2930199 DOI: 10.1016/0003-9861(89)90006-4] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Incubation of rabbit muscle glyceraldehyde-3-phosphate dehydrogenase (GAPDH) with the antibiotic pentalenolactone (1) resulted in time-dependent, irreversible inhibition of GAPDH. The kinetics of inactivation were biphasic, exhibiting an initial rapid phase and a slower second phase. Pentalenolactone methyl ester (2) also irreversibly inactivated GADPH, albeit at a slower rate and with a higher KI. The substrate glyceraldehyde-3-phosphate (G-3-P) afforded protection against inactivation by 1, whereas the presence of NAD+ in the incubation mixture stimulated the inactivation by increasing the apparent affinity of the enzyme for the inhibitor. In steady-state kinetic experiments, 1 acted as a competitive inhibitor of GAPDH with respect to G-3-P but exhibited uncompetitive inhibition with respect to NAD+. Inactivation of NAD+-free apo-GAPDH by 1 showed simple pseudo-first-order kinetics. By titrating the free thiol residues of partially inactivated GAPDH, it was found that both pentalenolactone and pentalenolactone methyl ester react with all four Cys-SH residues of the tetrameric GAPDH.
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Affiliation(s)
- D E Cane
- Department of Chemistry, Brown University, Providence, Rhode Island 02912
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