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Calleja LF, Belmont-Díaz JA, Medina-Contreras O, Quezada H, Yoval-Sánchez B, Campos-García J, Rodríguez-Zavala JS. Omeprazole as a potent activator of human cytosolic aldehyde dehydrogenase ALDH1A1. Biochim Biophys Acta Gen Subj 2019; 1864:129451. [PMID: 31678145 DOI: 10.1016/j.bbagen.2019.129451] [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: 05/31/2019] [Revised: 09/30/2019] [Accepted: 10/23/2019] [Indexed: 01/05/2023]
Abstract
BACKGROUND Accumulation of lipid aldehydes plays a key role in the etiology of human diseases where high levels of oxidative stress are generated. In this regard, activation of aldehyde dehydrogenases (ALDHs) prevents oxidative tissue damage during ischemia-reperfusion processes. Although omeprazole is used to reduce stomach gastric acid production, in the present work this drug is described as the most potent activator of human ALDH1A1 reported yet. METHODS Docking analysis was performed to predict the interactions of omeprazole with the enzyme. Recombinant human ALDH1A1 was used to assess the effect of omeprazole on the kinetic properties. Temperature treatment and mass spectrometry were conducted to address the nature of binding of the activator to the enzyme. Finally, the effect of omeprazole was evaluated in an in vivo model of oxidative stress, using E. coli cells expressing the human ALDH1A1. RESULTS Omeprazole interacted with the aldehyde binding site, increasing 4-6 fold the activity of human ALDH1A1, modified the kinetic properties, altering the order of binding of substrates and release of products, and protected the enzyme from inactivation by lipid aldehydes. Furthermore, omeprazole protected E. coli cells over-expressing ALDH1A1 from the effects of oxidative stress generated by H2O2 exposure, reducing the levels of lipid aldehydes and preserving ALDH activity. CONCLUSION Omeprazole can be repositioned as a potent activator of human ALDH1A1 and may be proposed for its use in therapeutic strategies, to attenuate the damage generated during oxidative stress events occurring in different human pathologies.
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Affiliation(s)
- Luis Francisco Calleja
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico 14080
| | | | - Oscar Medina-Contreras
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Mexico City, Mexico 06720
| | - Héctor Quezada
- Laboratorio de Investigación en Inmunología y Proteómica, Hospital Infantil de México Federico Gómez, Mexico City, Mexico 06720
| | - Belem Yoval-Sánchez
- Departamento de Bioquímica, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City, Mexico 14080
| | - Jesús Campos-García
- Laboratorio de Biotecnología Microbiana, Instituto de Investigaciones Químico-Biológicas, Universidad Michoacana de San Nicolás de Hidalgo, Morelia, Mich., Mexico 58030
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Iterative genome editing of Escherichia coli for 3-hydroxypropionic acid production. Metab Eng 2018; 47:303-313. [DOI: 10.1016/j.ymben.2018.04.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 04/09/2018] [Accepted: 04/11/2018] [Indexed: 11/21/2022]
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3
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Tiwari V. In vitro Engineering of Novel Bioactivity in the Natural Enzymes. Front Chem 2016; 4:39. [PMID: 27774447 PMCID: PMC5054688 DOI: 10.3389/fchem.2016.00039] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Accepted: 09/21/2016] [Indexed: 11/23/2022] Open
Abstract
Enzymes catalyze various biochemical functions with high efficiency and specificity. In vitro design of the enzyme leads to novel bioactivity in this natural biomolecule that give answers of some vital questions like crucial residues in binding with substrate, molecular evolution, cofactor specificity etc. Enzyme engineering technology involves directed evolution, rational designing, semi-rational designing, and structure-based designing using chemical modifications. Similarly, combined computational and in vitro evolution approaches together help in artificial designing of novel bioactivity in the natural enzyme. DNA shuffling, error prone PCR and staggered extension process are used to artificially redesign active site of enzyme, which can alter its efficiency and specificity. Modifications of the enzyme can lead to the discovery of new path of molecular evolution, designing of efficient enzymes, locating active sites and crucial residues, shift in substrate, and cofactor specificity. The methods and thermodynamics of in vitro designing of the enzyme are also discussed. Similarly, engineered thermophilic and psychrophilic enzymes attain substrate specificity and activity of mesophilic enzymes that may also be beneficial for industry and therapeutics.
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Affiliation(s)
- Vishvanath Tiwari
- Department of Biochemistry, Central University of Rajasthan Ajmer, India
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Belmont-Díaz JA, Yoval-Sánchez B, Calleja-Castañeda LF, Pardo Vázquez JP, Rodríguez-Zavala JS. Alda-1 modulates the kinetic properties of mitochondrial aldehyde dehydrogenase (ALDH2). FEBS J 2016; 283:3637-3650. [DOI: 10.1111/febs.13833] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 07/06/2016] [Accepted: 08/12/2016] [Indexed: 11/30/2022]
Affiliation(s)
| | - Belem Yoval-Sánchez
- Departamento de Bioquímica; Instituto Nacional de Cardiología; México D.F México
| | | | - Juan P. Pardo Vázquez
- Departamento de Bioquímica; Facultad de Medicina; Universidad Nacional Autónoma de México; México D.F México
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Wu X, Xu L, Yan M. A new NAD +-dependent glyceraldehyde dehydrogenase obtained by rational design of l-lactaldehyde dehydrogenase from Escherichia coli. Biosci Biotechnol Biochem 2016; 80:2306-2310. [PMID: 27671251 DOI: 10.1080/09168451.2016.1194181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
NAD + -dependent glyceraldehyde dehydrogenases usually had lower activity in the nonphosphorylated Entner-Doudoroff (nED) pathway. In the present study, a new NAD + -dependent glyceraldehyde dehydrogenase was engineered from l-lactaldehyde dehydrogenase of E. coli (EC: 1.2.1.22). Through comparison of the sequence alignment and the active center model, we found that a residue N286 of l-lactaldehyde dehydrogenase contributed an important structure role to substrate identification. By free energy calculation, three mutations (N286E, N286H, N286T) were chosen to investigate the change of substrate specificity of the enzyme. All mutants were able to oxidate glyceraldehyde. Especially, N286T showed the highest activity of 1.1U/mg, which was 5-fold higher than the reported NAD + -dependent glyceraldehyde dehydrogenases, and 70% activity was retained at 55 °C after an hour. Compared to l-lactaldehyde, N286T had a one-third lower Km value to glyceraldehyde.
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Affiliation(s)
- Xing Wu
- a College of Biotechnology and Pharmaceutical Engineering , Nanjing Tech University , Nanjing , P.R. China
| | - Lin Xu
- a College of Biotechnology and Pharmaceutical Engineering , Nanjing Tech University , Nanjing , P.R. China
| | - Ming Yan
- a College of Biotechnology and Pharmaceutical Engineering , Nanjing Tech University , Nanjing , P.R. China
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Redesigning alcohol dehydrogenases/reductases for more efficient biosynthesis of enantiopure isomers. Biotechnol Adv 2015; 33:1671-84. [DOI: 10.1016/j.biotechadv.2015.08.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 08/11/2015] [Accepted: 08/12/2015] [Indexed: 11/20/2022]
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7
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González-Segura L, Riveros-Rosas H, Julián-Sánchez A, Muñoz-Clares RA. Residues that influence coenzyme preference in the aldehyde dehydrogenases. Chem Biol Interact 2015; 234:59-74. [PMID: 25601141 DOI: 10.1016/j.cbi.2014.12.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2014] [Revised: 12/12/2014] [Accepted: 12/31/2014] [Indexed: 11/25/2022]
Abstract
To find out the residues that influence the coenzyme preference of aldehyde dehydrogenases (ALDHs), we reviewed, analyzed and correlated data from their known crystal structures and amino-acid sequences with their published kinetic parameters for NAD(P)(+). We found that the conformation of the Rossmann-fold loops participating in binding the adenosine ribose is very conserved among ALDHs, so that coenzyme specificity is mainly determined by the nature of the residue at position 195 (human ALDH2 numbering). Enzymes with glutamate or proline at 195 prefer NAD(+) because the side-chains of these residues electrostatically and/or sterically repel the 2'-phosphate group of NADP(+). But contrary to the conformational rigidity of proline, the conformational flexibility of glutamate may allow NADP(+)-binding in some enzymes by moving the carboxyl group away from the 2'-phosphate group, which is possible if a small neutral residue is located at position 224, and favored if the residue at position 53 interacts with Glu195 in a NADP(+)-compatible conformation. Of the residues found at position 195, only glutamate interacts with the NAD(+)-adenosine ribose; glutamine and histidine cannot since their side-chain points are opposite to the ribose, probably because the absence of the electrostatic attraction by the conserved nearby Lys192, or its electrostatic repulsion, respectively. The shorter side-chains of other residues-aspartate, serine, threonine, alanine, valine, leucine, or isoleucine-are distant from the ribose but leave room for binding the 2'-phosphate group. Generally, enzymes having a residue different from Glu bind NAD(+) with less affinity, but they can also bind NADP(+) even sometimes with higher affinity than NAD(+), as do enzymes containing Thr/Ser/Gln195. Coenzyme preference is a variable feature within many ALDH families, consistent with being mainly dependent on a single residue that apparently has no other structural or functional roles, and therefore can easily be changed through evolution and selected in response to physiological needs.
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Affiliation(s)
- Lilian González-Segura
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, México D. F. 04510, Mexico
| | - Héctor Riveros-Rosas
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, México D. F. 04510, Mexico
| | - Adriana Julián-Sánchez
- Departamento de Bioquímica, Facultad de Medicina, Universidad Nacional Autónoma de México, México D. F. 04510, Mexico
| | - Rosario A Muñoz-Clares
- Departamento de Bioquímica, Facultad de Química, Universidad Nacional Autónoma de México, México D. F. 04510, Mexico.
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Belmont-Díaz JA, Calleja-Castañeda LF, Yoval-Sánchez B, Rodríguez-Zavala JS. Tamoxifen, an anticancer drug, is an activator of human aldehyde dehydrogenase 1A1. Proteins 2014; 83:105-16. [PMID: 25354921 DOI: 10.1002/prot.24709] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 10/05/2014] [Accepted: 10/18/2014] [Indexed: 12/24/2022]
Abstract
The modulation of aldehyde dehydrogenase (ALDH) activity has been suggested as a promising option for the prevention or treatment of many diseases. To date, only few activating compounds of ALDHs have been described. In this regard, N-(1,3-benzodioxol-5-ylmethyl)-2,6-dichlorobenzamide has been used to protect the heart against ischemia/reperfusion damage. In the search for new modulating ALDH molecules, the binding capability of different compounds to the active site of human aldehyde dehydrogenase class 1A1 (ALDH1A1) was analyzed by molecular docking, and their ability to modulate the activity of the enzyme was tested. Surprisingly, tamoxifen, an estrogen receptor antagonist used for breast cancer treatment, increased the activity and decreased the Km for NAD(+) by about twofold in ALDH1A1. No drug effect on human ALDH2 or ALDH3A1 was attained, showing that tamoxifen was specific for ALDH1A1. Protection against thermal denaturation and competition with daidzin suggested that tamoxifen binds to the aldehyde site of ALDH1A1, resembling the interaction of N-(1,3-benzodioxol-5-ylmethyl)-2,6-dichlorobenzamide with ALDH2. Further kinetic analysis indicated that tamoxifen activation may be related to an increase in the Kd for NADH, favoring a more rapid release of the coenzyme, which is the rate-limiting step of the reaction for this isozyme. Therefore, tamoxifen might improve the antioxidant response, which is compromised in some diseases.
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Suemori A. Conserved and non-conserved residues and their role in the structure and function of p-hydroxybenzoate hydroxylase. Protein Eng Des Sel 2013; 26:479-88. [PMID: 23766373 DOI: 10.1093/protein/gzt026] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
In order to elucidate the molecular mechanism of the catalytic reaction and enzyme conformation, we substituted 53 conserved residues identified by aligning 92 p-hydroxybenzoate hydroxylase sequences and 19 non-conserved residues selected from crystallographic studies of Pseudomonas fluorescens NBRC14160 p-hydroxybenzoate hydroxylase with 19 other naturally occurring amino acids, yielding a database of 619 active single mutants. The database contained 365 and 254 active single mutants for 44/53 conserved residues and 19 non-conserved residues, respectively; the data included main activity, sub-activity for NADPH and NADPH reaction specificity. Active mutations were not observed for the G14, Q102, G160, E198, R220, R246, N300, F342 and G387 conserved residues, and only one active mutant was obtained at the G9, G11, G187, D286, Y201, R214 and G295 conserved residues and the S13, E32 and R42 non-conserved residues. Only seven active mutants with higher activity than the wild-type enzyme were observed at conserved residues, and only two were observed at non-conserved residues. The 365 mutants at conserved residues included 64 active mutants with higher NADPH reaction specificity than the wild-type enzyme, and some Y181X single mutants exhibited considerable changes in NADPH reaction specificity. A Y181X/L268G double-mutant database was constructed to computationally analyze the effects of these substitutions on structural conformation and function. These results indicated that some conserved or non-conserved residues are important for structural stability or enzyme function.
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Affiliation(s)
- Akio Suemori
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology-AIST, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan.
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Yoval-Sánchez B, Pardo JP, Rodríguez-Zavala JS. New insights into the half-of-the-sites reactivity of human aldehyde dehydrogenase 1A1. Proteins 2013; 81:1330-9. [DOI: 10.1002/prot.24274] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 02/02/2013] [Accepted: 02/12/2013] [Indexed: 12/29/2022]
Affiliation(s)
- Belem Yoval-Sánchez
- Departamento de Bioquímica; Instituto Nacional de Cardiología; México D.F.; México
| | - Juan Pablo Pardo
- Departamento de Bioquímica; Facultad de Medicina; Universidad Nacional Autónoma de México; México D.F.; México
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Machado HB, Dekishima Y, Luo H, Lan EI, Liao JC. A selection platform for carbon chain elongation using the CoA-dependent pathway to produce linear higher alcohols. Metab Eng 2012; 14:504-11. [PMID: 22819734 DOI: 10.1016/j.ymben.2012.07.002] [Citation(s) in RCA: 111] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2012] [Revised: 06/01/2012] [Accepted: 07/09/2012] [Indexed: 01/16/2023]
Abstract
Production of green chemicals and fuels using metabolically engineered organisms has been a promising alternative to petroleum-based production. Higher chain alcohols (C4-C8) are of interest because they can be used as chemical feedstock as well as fuels. Recently, the feasibility of n-hexanol synthesis using Escherichia coli has been demonstrated by extending the modified Clostridium CoA-dependent n-butanol synthesis pathway, thereby elongating carbon chain length via reactions in reversed β-oxidation, (or β-reduction). Here, we developed an anaerobic growth selection platform that allows selection or enrichment of enzymes for increased synthesis of C6 and C8 linear alcohols. Using this selection, we were able to improve the carbon flux towards the synthesis of C6 and C8 acyl-CoA intermediates. Replacement of the original enzyme Clostridium acetobutylicum Hbd with Ralstonia eutropha homologue PaaH1 increased production of n-hexanol by 10-fold. Further directed evolution by random mutagenesis of PaaH1 improved n-hexanol and n-octanol production. This anaerobic growth selection platform may be useful for selecting enzymes for production of long-chain alcohols and acids using this CoA-dependent pathway.
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Affiliation(s)
- Hidevaldo B Machado
- Department of Chemical and Biomolecular Engineering, University of California, Los Angeles, 5531 Boelter Hall, Los Angeles, California 90095-1570, USA
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Yoval-Sánchez B, Rodríguez-Zavala JS. Differences in susceptibility to inactivation of human aldehyde dehydrogenases by lipid peroxidation byproducts. Chem Res Toxicol 2012; 25:722-9. [PMID: 22339434 DOI: 10.1021/tx2005184] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Aldehyde dehydrogenases (ALDHs) are involved in the detoxification of aldehydes generated as byproducts of lipid peroxidation. In this work, it was determined that, among the three most studied human ALDH isoforms, ALDH2 showed the highest catalytic efficiency for oxidation of acrolein, 4-hydroxy-2-nonenal (4-HNE), and malondialdehyde. ALDH1A1 also exhibited significant activity with these substrates, whereas ALDH3A1 only showed activity with 4-HNE. ALDH2 was also the most sensitive isoform to irreversible inactivation by these compounds. Remarkably, ALDH3A1 was insensitive to these aldehydes even at concentrations as high as 20 mM. Formation of adducts of ALDH1A1 and ALDH2 with acrolein increased their K(d) values for NAD(+) by 2- and 3-fold, respectively. NADH exerted a higher protection than propionaldehyde to the inactivation by acrolein, and this protection was additive. These results suggested that both binding sites, those for aldehyde and NAD(+) in ALDH2, are targets for the inactivation by lipid peroxidation products. Thus, with the advantage of being relatively inactivation-insensitive, ALDH1A1 and ALDH3A1 may be actively participating in the detoxification of these aldehydes in the cells.
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Affiliation(s)
- Belem Yoval-Sánchez
- Departamento de Bioquímica, Instituto Nacional de Cardiología, México DF, México
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