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Miranda TG, Ciribelli NN, Bihain MFR, Santos Pereira AKD, Cavallini GS, Pereira DH. Interactions between DNA and the acridine intercalator: A computational study. Comput Biol Chem 2024; 109:108029. [PMID: 38387123 DOI: 10.1016/j.compbiolchem.2024.108029] [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: 12/15/2023] [Revised: 02/08/2024] [Accepted: 02/08/2024] [Indexed: 02/24/2024]
Abstract
Cancer is a global public health problem characterized by deviations in the mechanisms that control cell proliferation, resulting in mutations and variations in the structure of DNA. The mechanisms of action of chemotherapeutic drugs are related to their interactions and binding with DNA; consequently, the development of antineoplastic agents that target DNA has extensively focused on use of acridine, a heterocyclic molecule that binds to deoxyribonucleic acid via intercalation, a process that modifies DNA and makes replication impossible. In this context, this study aimed to computationally investigate how acridine intercalators interact with DNA by evaluating the mechanism of interactions, binding, and interaction energies using quantum mechanics calculations. Molecular electrostatic potential (MEP) analysis revealed that acridine has well- distributed negative charges in the center of the molecule, indicative of a dominant electron-rich region. Acridine exhibits well-defined π orbitals (HOMO and LUMO) on the aromatic rings, suggesting that charge transfer occurs within the molecule and may be responsible for the pharmacological activity of the compound. Structural analysis revealed that acridine interacts with DNA mainly through hydrogen bonds between HAcridine… ODNA with bond lengths ranging from 2.370 Å to 3.472 Å. The Binding energy (ΔEBind) showed that acridine interacts with DNA effectively for all complexes and the electronic energy results (E+ZPE) for complexes revealed that the complexes are more stable when the DNA-centered acridine molecule. The Laplacian-analysis topological QTAIM parameter (∇2ρ(r)) and total energy (H(r)) categorized the interactions as being non-covalent in nature. The RGD peak distribution in the NCI analysis reveals the presence of van der Waals interactions, predominantly between the intercalator and DNA. Accordingly, we confirm that acridine/DNA interactions are relevant for understanding how the intercalator acts within nucleic acids.
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Affiliation(s)
- Thaynara Guimarães Miranda
- Programa de Pós Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil
| | - Nicolas Nascimento Ciribelli
- Programa de Pós Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil
| | | | - Anna Karla Dos Santos Pereira
- Programa de Pós Graduação em Química, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil
| | - Grasiele Soares Cavallini
- Programa de Pós Graduação em Química, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil
| | - Douglas Henrique Pereira
- Programa de Pós Graduação em Biotecnologia, Universidade Federal do Tocantins (UFT), Gurupi, Tocantins CEP 77.402-970, Brazil; Departamento de Química, Instituto Tecnológico de Aeronáutica (ITA), Praça Marechal Eduardo Gomes, 50, Vila das Acácias, São José dos Campos SP CEP 12228-900, Brazil.
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Guezane-Lakoud S, Ferrah M, Merabet-Khelassi M, Touil N, Toffano M, Aribi-Zouioueche L. 2-Hydroxymethyl-18-crown-6 as an efficient organocatalyst for α -aminophosphonates synthesized under eco-friendly conditions, DFT, molecular docking and ADME/T studies. J Biomol Struct Dyn 2024; 42:3332-3348. [PMID: 37184142 DOI: 10.1080/07391102.2023.2213336] [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: 02/17/2023] [Accepted: 05/04/2023] [Indexed: 05/16/2023]
Abstract
Eco-friendly and simple procedure has been developed for the synthesis of α-aminophosphonates that act as topoisomerase II α-inhibiting anticancer agent, using 2-hydroxymethyl-18-crown-6 as an unexpected homogeneous organocatalyst in multicomponents reaction of aromatic aldehyde, aniline and diethylphosphite in one pot via Kabachnik-Fields reaction. This efficient method proceeds with catalytic amount, transition metal-free, at room temperature within short reaction time, giving the α-aminophosphonates derivatives (4a-r) in high chemical yields (up to 80%). Theoretical DFT calculations of three compounds (4p, 4q and 4r) were carried out in a gas phase at CAM-B3LYP 6-31G (d,p) basis set to predict the molecular geometries and chemical reactivity descriptors. The frontier orbital energies (HOMO/LUMO) were described the charge transfer and used to predict structure-activity relationship study. Molecular electrostatic potential (MEP) has also been analyzed. Molecular docking studies are implemented to analyze the binding energy and compared with Adriamycin against 1ZXM receptor which to be considered as antitumor candidates. In silico pharmacological ADMET properties as Drug likeness and oral activity have been carried out based on Lipinski's rule of five.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Samia Guezane-Lakoud
- Ecocompatible Asymmetric Catalysis Laboratory (LCAE) Badji Mokhtar Annaba-University, Annaba, Algeria
| | - Meriem Ferrah
- Ecocompatible Asymmetric Catalysis Laboratory (LCAE) Badji Mokhtar Annaba-University, Annaba, Algeria
| | - Mounia Merabet-Khelassi
- Ecocompatible Asymmetric Catalysis Laboratory (LCAE) Badji Mokhtar Annaba-University, Annaba, Algeria
| | - Nourhane Touil
- Ecocompatible Asymmetric Catalysis Laboratory (LCAE) Badji Mokhtar Annaba-University, Annaba, Algeria
| | - Martial Toffano
- Equipe de Catalyse Moléculaire-ICMMO Bât 420. Université Paris-Saclay, Paris, France
| | - Louisa Aribi-Zouioueche
- Ecocompatible Asymmetric Catalysis Laboratory (LCAE) Badji Mokhtar Annaba-University, Annaba, Algeria
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Rajaraman D, Anthony LA, Nethaji P, Vallangi R. One-pot synthesis, NMR, quantum chemical approach, molecular docking studies, drug-likeness and in-silico ADMET prediction of novel 1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-(furan-2-yl)-4,5-diphenyl-1 H-imidazole derivatives. J Mol Struct 2023; 1273:134314. [PMID: 36277302 PMCID: PMC9576197 DOI: 10.1016/j.molstruc.2022.134314] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/07/2022] [Accepted: 10/10/2022] [Indexed: 11/08/2022]
Abstract
A novel drug to treat SARS-CoV-2 infections and hydroxyl chloroquine analogue, 1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-2-(furan-2-yl)-4,5-diphenyl-1H-imidazole (DDFDI) compound has been synthesized in one pot reaction. The novel compound DDFDI had been characterized by FT-IR, 1H-NMR and 13C-NMR spectral techniques. The geometrical structure was optimized by density functional theory (DFT) method at B3LYP/6-31G (d, p) as the basis set. The smaller energy value provides the higher reactivity of DDFDI compound than hydroxyl chloroquine and was corrected by high electrophilic and low nucleophilic reactions. The stability and charge delocalization of the molecule were also considered by natural bond orbital (NBO) analysis. The HOMO-LUMO energies describe the charge transfer which takes place within the molecule. Molecular electrostatic potential has also been analysed. Drug likeness and oral activity have been carried out based on Lipinski's rule of five. Molecular docking studies are implemented to analyse the binding energy of the DDFDI compound against Covid-19/6W41, COVID-19/6WCF, COVID-19/6Y84 and COVID-19/6W4B receptors and found to be considered as a better antiviral agents.
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Affiliation(s)
- D. Rajaraman
- Department of Chemistry, St Joseph University, Virgin Town, Dimapur, Nagaland 797 115, India,Corresponding author
| | - L. Athishu Anthony
- Department of Chemistry, St Joseph University, Virgin Town, Dimapur, Nagaland 797 115, India
| | - P. Nethaji
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Tamil Nadu 603 110, India
| | - Ravali Vallangi
- ICAR-Central Inland Fisheries Research Institute, Barrackpore, Monirampore, Kolkata, West Bengal 700120, India
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Kavitha N, Alivelu M, Konakanchi R. Computational Quantum Chemical Study, Insilco ADMET, and Molecular Docking Study of 2-Mercapto Benzimidazole. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2021.1939071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Natte Kavitha
- Department of Chemistry, Pingle Govt. College for Women, Warangal, Telangana, India
| | - Munagala Alivelu
- Department of Chemistry, Pingle Govt. College for Women, Warangal, Telangana, India
| | - Ramaiah Konakanchi
- Chemistry Division, H&S Department, Malla Reddy Engineering College for Women (Autonomous Institution), Hyderabad, Telangana, India
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Cruz ÁB, Francisco de Carvalho R, Silva TS, de Almeida Sarmento R, Cavallini GS, Pereira DH. Adsorptive capacity of a g-C3N4 matrix for thiamethoxam removal: A DFT study. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Kavitha N, Alivelu M. The Computational Study, 3D-QSAR, and Molecular Docking Study of 2-Amino 5-Methyl Pyridine. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2028871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Natte Kavitha
- Department of Chemistry, Pingle Govt. College for Women, Warangal, Telangana, India
| | - Munagala Alivelu
- Department of Chemistry, Pingle Govt. College for Women, Warangal, Telangana, India
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