Novel coumarin derivatives as potent acetylcholinesterase inhibitors: insight into efficacy, mode and site of inhibition.

abstract：:Trypanothione reductase has long been investigated as a promising target for chemotherapeutic intervention in Chagas disease, since it is an enzyme of a unique metabolic pathway that is exclusively present in the pathogen but not in the human host, which has the analog Glutathione reductase. In spite of the present da...

journal_title：Journal of biomolecular structure & dynamics

authors： de Paula da Silva CH,Bernardes LS,da Silva VB,Zani CL,Carvalho I

更新日期：2012-01-01 00:00:00

abstract：:We have performed an 4-ns MD simulation of calmodulin complexed with a target peptide in explicit water, under realistic conditions of constant temperature and pressure, in the presence of a physiological concentration of counterions and using Ewald summation to avoid truncation of long-range electrostatic forces. Dur...

journal_title：Journal of biomolecular structure & dynamics

authors： Yang C,Kuczera K

更新日期：2002-10-01 00:00:00

abstract：:The World Health Organization has classified the COVID-19 outbreak a pandemic which is caused by severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) and declared it a global health emergency. Repurposing drugs with minimum side effects are one approach to quickly respond in attempt to prevent the spread of CO...

journal_title：Journal of biomolecular structure & dynamics

authors： Al-Rashedi NAM,Munahi MG,Ah ALObaidi L

更新日期：2020-12-27 00:00:00

abstract：:The interaction of meso-tetra-(4N-oxyethylpyridyl)porphyrin (TOEPyP4) and its Zn(II)-, Cu(II)-, Mn(III)-derivatives with tRNA from E.Coli at low ionic strength (micro=0.02M) was studied using UV/Vis spectrophotometry and Circular Dichroism (CD) methods. An unusual Induced Circular Dichroism (ICD) spectra profile of th...

journal_title：Journal of biomolecular structure & dynamics

authors： Dalyan Y,Vardanyan I,Chavushyan A,Balayan G

更新日期：2010-08-01 00:00:00

abstract：:The Runt domain proteins are eukaryotic transcription factors that regulate major developmental pathways. All members of this family contain a highly-conserved sequence-specific DNA binding domain: the Runt domain (RD). Structural and biochemical studies have shown that the Runt domain undergoes a conformational trans...

journal_title：Journal of biomolecular structure & dynamics

authors： Suad O,Eyal E,Blumenzweig I,Kessler N,Levanon D,Groner Y,Shakked Z

更新日期：2007-02-01 00:00:00

abstract：:Resonance Raman spectra with Q-band excitation are reported for microperoxidase-11, the cytochrome c analog. Spectra were acquired in the mid-frequency range for the oxidized, and reduced forms of the undecapeptide, as well as for the imidazole and carbonyl complexes. Oxidation and spin state marker bands of the undec...

journal_title：Journal of biomolecular structure & dynamics

authors： Laberge M,Vreugdenhil AJ,Vanderkooi JM,Butler IS

更新日期：1998-06-01 00:00:00

abstract：:Dengue virus is becoming a major global disease; the envelope protein is the major target for vaccine development against Dengue. Nowadays, the attention has focused on developing inhibitors based on Papain is a promising target for treating Dengue. In the present work, the theoretical studies of E-protein(Cys74-Glu79...

journal_title：Journal of biomolecular structure & dynamics

authors： Saranya V,Radhika R,Shankar R,Vijayakumar S

更新日期：2020-04-06 00:00:00

abstract：:In the present work, we propose to design drugs that target the enzyme dihydrofolate redutase (DHFR) as a means of a novel drug therapy against plague. Potential inhibitors of DHFR from Yersinia pestis (YpDHFR) were selected by virtual screening and subjected to docking, molecular dynamics (MD) simulations, and Poisso...

journal_title：Journal of biomolecular structure & dynamics

authors： Bastos Lda C,de Souza FR,Guimarães AP,Sirouspour M,Cuya Guizado TR,Forgione P,Ramalho TC,França TC

更新日期：2016-10-01 00:00:00

abstract：:Carbonic anhydrases catalyze the reversible hydration of carbon dioxide to form bicarbonate, a reaction required for many functions such as carbon assimilation, pH acid-base homeostasis, respiration and photosynthesis via a zinc-hydroxide mechanism for carbon dioxide hydration. In earlier studies, it was revealed that...

journal_title：Journal of biomolecular structure & dynamics

authors： Yadav PR,Basha SH,Pindi PK

更新日期：2020-12-24 00:00:00

abstract：:Colchicine, a tricyclic alkaloid, has a remarkable range of biological activities. It binds with tubulin and prevents the formation of microtubules. This compound consists of a six membered aromatic ring (A ring), a seven membered troponoid ring (C ring) and another seven membered aliphatic ring (B ring). Using molecu...

journal_title：Journal of biomolecular structure & dynamics

authors： Bothra AK,Roy S,Bhattacharyya B,Mukhopadhyay C

更新日期：1998-04-01 00:00:00

abstract：:Drug efflux pumps (EP) like Mmr in Mycobacterium transported drugs out of cell, a main reason for drug resistance developing in Mycobacterium tuberculosis. In this in silico study, mainly analysed EP inhibitory potential of a plant-derived flavonoid, quercetin, through docking analysis. Mmr present in Mycobacterium sm...

journal_title：Journal of biomolecular structure & dynamics

authors： Suriyanarayanan B,Sarojini Santhosh R

更新日期：2015-01-01 00:00:00

abstract：:Target evaluation is at the centre of rational drug design and biologics development. In order to successfully engineer antibodies, T-cell receptors or small molecules it is necessary to identify and characterise potential binding or contact sites on therapeutically relevant target proteins. Currently, there are numer...

journal_title：Journal of biomolecular structure & dynamics

authors： Kanapeckaitė A,Beaurivage C,Hancock M,Verschueren E

更新日期：2020-12-10 00:00:00

abstract：:Mutations of any subunit of the troponin complex may lead to serious disorders. Rational approaches to managing these disorders require knowledge of the complex interactions among the three subunits that are required for proper function. Molecular dynamics (MD) simulations were performed for both skeletal (sTn) and ca...

journal_title：Journal of biomolecular structure & dynamics

authors： Varughese JF,Chalovich JM,Li Y

更新日期：2010-10-01 00:00:00

abstract：:Repeat regions are low-complexity regions in the human genome that largely code for intrinsic disorder in proteins. Expansions outside the normal thresholds in repeat regions are likely to be pathogenic, leading to the so-called repeat expansion diseases. There have been numerous studies on the most common group of re...

journal_title：Journal of biomolecular structure & dynamics

authors： Hernandez R,Facelli JC

更新日期：2021-01-18 00:00:00

abstract：:Inside a living cell there can be a variety of interactions for any given protein, which serve to regulate denaturation and renaturation processes. Insights into some of them can be obtained by in vitro studies using various denaturing agents. In this study, all-atom MD simulations in explicit solvent and NMR relaxati...

journal_title：Journal of biomolecular structure & dynamics

authors： Borkar A,Rout MK,Hosur RV

更新日期：2012-01-01 00:00:00

abstract：:MSCRAMMs (microbial surface components recognizing adhesive matrix molecules) are modular proteins covalently anchored in the bacterial cell wall of many Gram-positive bacteria. The N-terminal region of most MSCRAMMs carries the ligand-binding domains (A region) which specifically target the host extracellular matrix ...

journal_title：Journal of biomolecular structure & dynamics

authors： Jemima Beulin DS,Ponnuraj K

更新日期：2017-02-01 00:00:00

abstract：:Alkylamine-substituted naphthalene imides and diimides bind DNA by intercalation and have applications as anticancer agents. The unique structures of these imides in which two adjacent carbonyl groups lie coplanar to an extended aromatic ring system allow the possibility of sequence-selective interactions between the ...

journal_title：Journal of biomolecular structure & dynamics

authors： Liu ZR,Hecker KH,Rill RL

更新日期：1996-12-01 00:00:00

abstract：:To investigate the chemotherapeutic and pharmacokinetic aspects of two lanthanide complexes (Tb(III) and La(III) containing 2,2'-bipyridine ligand), in vitro binding studies were carried out with BSA by employing multiple biophysical methods and molecular modeling study. There are different techniques containing fluor...

journal_title：Journal of biomolecular structure & dynamics

authors： Aramesh-Boroujeni Z,Aramesh N,Jahani S,Khorasani-Motlagh M,Kerman K,Noroozifar M

更新日期：2020-07-16 00:00:00

abstract：:Doublesex and Mab-3-related transcription factor (DMRT) gene family is widely known for its involvement in sex determination and/or differentiation among different phyla. In this study, we identify eight DMRT genes in the cephalochordate amphioxus, a protochordate holding a key phylogenetic position. The eight DMRTs c...

journal_title：Journal of biomolecular structure & dynamics

authors： Wang F,Yu Y,Ji D,Li H

更新日期：2012-01-01 00:00:00

abstract：:The conformation of the C-terminal octapeptide fragment of Substance P (SP4-11, Pro-Gln-Gln-Phe-Phe-Gly-Leu-Met-NH2) has been investigated by 2D-NMR and MD methods. The octapeptide exists in a blend of conformations. The molecule seems to shuttle between conformations with gamma-bends either at Phe5 or Gly6 or Gln3 or...

journal_title：Journal of biomolecular structure & dynamics

authors： Coutinho E,Kamath S,Saran A,Srivastava S

更新日期：1998-12-01 00:00:00

abstract：:In the design of novel drugs, the formation of hybrid molecules via the combination of several pharmacophores can give rise to compounds with interesting biochemical profiles. A series of novel quinazolin-sulfonamid derivatives (9a-m) were synthesized, characterized and evaluated for their in vitro antidiabetic, antic...

journal_title：Journal of biomolecular structure & dynamics

authors： Sepehri N,Mohammadi-Khanaposhtani M,Asemanipoor N,Hosseini S,Biglar M,Larijani B,Mahdavi M,Hamedifar H,Taslimi P,Sadeghian N,Norizadehtazehkand M,Gulcin I

更新日期：2020-11-23 00:00:00

abstract：:A conceptually new idea in quantitative structure-activity relationships (QSAR) which makes use of ensembles from molecular dynamics (MD) trajectories and information retrieved from enzyme-inhibitor binding thermodynamics is presented in this study. This new methodology, termed ensemble comparative residue interaction...

journal_title：Journal of biomolecular structure & dynamics

authors： Khedkar VM,Joseph J,Pissurlenkar R,Saran A,Coutinho EC

更新日期：2015-01-01 00:00:00

abstract：:New tailored Cu(II) & Zn(II) metal-based antitumor drug entities were synthesized from substituted benzothiazole o‒vanillin Schiff base ligands. The complexes were thoroughly characterized by elemental analysis, spectroscopic studies {IR, 1H & 13C NMR, ESI-MS, EPR} and magnetic susceptibility measurements. The structu...

journal_title：Journal of biomolecular structure & dynamics

authors： Zehra S,Shavez Khan M,Ahmad I,Arjmand F

更新日期：2019-04-01 00:00:00

abstract：:We attempt to give an alternate point of view of the analysis by Roterman et al. (J. Biolmol. Struct. Dyn. 7,415 (1989]. In particular, we argue for the use of flexible geometry and explicit inclusion of solvent effects in analyzing phi, psi maps of peptides. ...

journal_title：Journal of biomolecular structure & dynamics

authors： Kollman PA,Dill KA

更新日期：1991-06-01 00:00:00

abstract：:As the number of available three dimensional coordinates of proteins increases, it is now recognized that proteins from different families and topologies are constructed from independent motifs. Detection of specific structural motifs within proteins aids in understanding their role and the mechanism of their operatio...

journal_title：Journal of biomolecular structure & dynamics

authors： Fischer D,Bachar O,Nussinov R,Wolfson H

更新日期：1992-02-01 00:00:00

abstract：:Distribution functions for intra- and inter- HIV-1 V3-loop subtypes amino acid Hamming distances were calculated (850 V3-loop sequences from the Los Alamos HIV-1 Database (1996) were used). These functions have pronounced bell-like shape. Such shapes of the histograms for HIV-1 V3 intra- and inter-subtype distriutions...

journal_title：Journal of biomolecular structure & dynamics

authors： Shchelkanov MYu,Starikov NS,Yaroslavtsev IV,Tsvetkov PO,Yudin AN,Denisov MV,Slavsky AA,Vedenov AA,Karamov EV

更新日期：1998-04-01 00:00:00

abstract：:A series of novel carbazole based α-aminophosphonate derivatives were synthesized under solvent-free condition, characterized and evaluated for their cholinesterase inhibition, enzyme kinetic inhibition, in-vitro cell viability using N2a cells, neuroprotective studies against H2O2-induced stress using N2a cells and an...

journal_title：Journal of biomolecular structure & dynamics

authors： Shaikh S,Dhavan P,Singh P,Uparkar J,Vaidya SP,Jadhav BL,Ramana MV

更新日期：2020-12-21 00:00:00

abstract：:Visible and near infrared magnetic circular dichroism (MCD) spectra of heme proteins and enzymes as well as those of a protein-free heme bound to 2-methylimidazole were recorded and compared at 4.2 K in unrelaxed metastable and relaxed equilibrium heme stereochemistry. The relaxed and unrelaxed stereochemistries of a ...

journal_title：Journal of biomolecular structure & dynamics

authors： Sharonov YuA,Pismensky VF,Yarmola EG

更新日期：1989-08-01 00:00:00

abstract：:Ebola virus (EboV) is currently ravaging West Africa with estimated case fatality rate of 52%. Currently, no drug treatment is available and immunoglobulin therapy is still at the rudimentary stage. For anti-EboV drug development, druggable viral and host protein targets, including human Furin are under intense invest...

journal_title：Journal of biomolecular structure & dynamics

authors： Omotuyi IO

更新日期：2015-01-01 00:00:00

abstract：:Geometry optimizations and energy calculations have been carried out via molecular orbital methods at the density functional B3LYP/LANL2DZ level on the molecules PO3-, OPO3(3-), HOPO3(2-), CH3OPO3(2-), H(CH3OPO3)-, O(PO3)2(4-), HO(PO3)2(3-), CH2(PO3)2(4-), (CH3OPO2)O(PO3)3-, O(PO3)3(5-), HO(PO3)3(4-), (PO3)3(3-), (CH3...

journal_title：Journal of biomolecular structure & dynamics

authors： Cini R,Chindamo D,Catenaccio M,Lorenzini S,Marcolongo R

更新日期：2000-08-01 00:00:00